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Contents
- The climate of Sumba
- The best time to visit Sumba
- The worst time to visit Sumba
- Spring weather in Sumba
- Summer weather in Sumba
- Autumn weather in Sumba
- Winter weather in Sumba
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Sumba
Located in the far-flung Faroe Islands, Sumba bears the attributes of a Cfc Köppen climate classification. Termed as the Marine west coast climate with cool summer, the region exhibits a moderate weather profile that's remarkably consistent throughout the year. The system of weather patterns in Sumba is characterized by somewhat narrow fluctuations, being persistently cool and with copious cloud cover dominating the atmospheric ambiance.
Remarkably, temperature readings in Sumba vary only minimally from month to month. Simultaneously, the atmospheric pressure maintains a reasonably consistent yearly average, oscillating from 1000.3mb in December to 1014.3mb in June. Relative humidity in the region is maintained at around 75% throughout the year, with minor deviations. From February to October, wind velocities begin at 37.9km/h (23.6mph) and gradually decrease to reach a low of 23.6km/h (14.7mph) in June before the numbers spike again.
On the precipitation front, rainfall in Sumba is plentiful and more or less constant, from 28mm (1.1") in June to 97mm (3.82") in December. However, snowfall events are not as abundant, with the average depth staying at a low of 15mm (0.59") in March. While this climate possesses unique quirks, the prevailing weather condition would be the persistent cloud cover with percentage consistently above 60 throughout the months.
Remarkably, temperature readings in Sumba vary only minimally from month to month. Simultaneously, the atmospheric pressure maintains a reasonably consistent yearly average, oscillating from 1000.3mb in December to 1014.3mb in June. Relative humidity in the region is maintained at around 75% throughout the year, with minor deviations. From February to October, wind velocities begin at 37.9km/h (23.6mph) and gradually decrease to reach a low of 23.6km/h (14.7mph) in June before the numbers spike again.
On the precipitation front, rainfall in Sumba is plentiful and more or less constant, from 28mm (1.1") in June to 97mm (3.82") in December. However, snowfall events are not as abundant, with the average depth staying at a low of 15mm (0.59") in March. While this climate possesses unique quirks, the prevailing weather condition would be the persistent cloud cover with percentage consistently above 60 throughout the months.
The best time to visit Sumba
Considering the weather data, it is safe to say that the optimal period to plan a trip to Sumba falls within the summertime stretch from June to August. During these months, one can witness relatively higher temperatures, ranging from 10.2°C (50.4°F) to 12°C (53.6°F). Concurrently, the heat is offset by lower wind speeds, making outdoor activities more pleasant than in other seasons. With daylight hours extending up to 19.3 hours in the months of June and July, the summer vacation experience in Sumba is set to be filled with long, blissful daylight periods.
The worst time to visit Sumba
Marked by heightened wind speeds reaching up to 40.6km/h (25.2mph) in January, coupled with reduced daylight hours to a low of 5.6 hours in December, the late autumn season stretching into winter makes for a less appealing period to visit Sumba. During this school of months, the temperatures also drop to a low of 5°C (41°F) in March, complicating further travels. Precipitation, which is already high throughout the year, peaks with 97mm (3.82") of rainfall in December, reducing any possibility of non-rainy outings.
Spring weather in Sumba
Sumba's spring season commences in March and continues until May. With temperatures beginning at a low of 7.1°C (44.8°F) and rising to 8.5°C (47.3°F) by May, the spring season is markedly chilly. Nevertheless, the gradually increasing daylight hours, beginning from 11.8 hours in March to 17.6 hours in May, imply a longer time span for undertaking outdoor activities. Precipitation during this time is below annual average, making spring an enjoyable season despite the lingering cold.
Summer weather in Sumba
The summertime in Sumba, extending from June through August, brings with it warmer weather, with temperatures peaking at 12°C (53.6°F). With the wind speed reducing to an yearly low of 23.6km/h (14.7mph) in June and daylight extending up to 19.3 hours, summer optimizes the outdoor activity potential. However, it is notable that despite being summer, the region receives plentiful rainfall, defying usual summer norms.
Autumn weather in Sumba
As autumn descends upon Sumba, starting in September and ending in November, the area sees a steady drop in temperature readings, from 11.4°C (52.5°F) to 8.5°C (47.3°F). Light conditions gradually decline from 12.9 hours of daylight in September to 7.2 hours by November. The wind speeds start to climb again, facilitating the onset of colder weather.
Winter weather in Sumba
Winter in Sumba stands distinct with temperatures falling steadily from 7.4°C (45.3°F) in December to 5.3°C (41.5°F) by February. The windy condition exacerbates the chill, as wind speeds soar from December onward. With daylight hours reducing to a minimum of 5.6 hours in December, and an increased probability of rainfall, winter in Sumba can seem bleak. Nonetheless, it is noteworthy to underline that winter brings with it the unique spectacle of snowfall, particularly in January and February.
Weather in January
Sailing through the heart of winter, Sumba, Faroe Islands, witnesses a chilly January with significant rainfall. There's a noticeable drop in the temperature that could reach as low as 5.3°C (41.5°F), the onset of frosty winds making it feel even colder. Weather in January »
Weather in February
The weather in Sumba in February is similar to that in January, marking a distinct continuation of winter. Winds are observed blowing at an average of 37.9km/h (23.6mph), thus making cold misty days feel colder. February rolls in with moderately high humidity, resulting in foggy conditions prevailing throughout the month. Weather in February »
Weather in March
Transiting from February to March, the weather conditions in Sumba depict a slow but soothing shift. There's a subtle rise in the temperatures from 7.1°C (44.8°F) to 7.7°C (45.9°F) that may bring a sense of relief to habitants. Weather in March »
Weather in April
April rolls in with milder weather conditions than the preceding months in Sumba, Faroe Islands. Resident's experience longer spells of daylight, up to an average of 14.8 hours that lightens up the city. The onset of April sees a gradual increase in temperature, laying the foundation for the approaching Summer. Weather in April »
Weather in May
May ushers in a period of smooth transition, with the temperature steadily climbing up to 8.5°C (47.3°F). The weather in May is marked by more sunshine and reasonably pleasant daytime temperatures. The fog clears up considerably, and the humidity decreases, leading to clear skies. Weather in May »
Weather in June
June marks the actual arrival of Summer in Sumba, with temperatures climbing steadily, peaking at 10.2°C (50.4°F). The increase in temperature brings a visible change, as the sun shines brighter and longer in clear, blue skies. Increased daylight hours, up to 19.3 hours, add vibrancy to the quaint city. Weather in June »
Weather in July
July, being the warmest month in Sumba, is characterized by temperatures hitting a high of 11.6°C (52.9°F). This increase in temperature is primarily due to longer sunshine hours that cast a warm golden hue over the city. This month sees more sunlit days, transforming the city into a warm and inviting destination. Weather in July »
Weather in August
The weather in August in Sumba remains predominantly warm with slightly increasing cloud coverage, posing a mild threat to sunny days. The temperature slightly hovers around 12°C (53.6°F), providing a warm relief to the residents. Weather in August »
Weather in September
September transitions Sumba from summer to autumn, with temperatures starting their descent to cooler degrees. The temperature continues to cool down, with the average hovering at 10.3°C (50.5°F), a drop from the summer month of August. Weather in September »
Weather in October
October sees a significant drop in temperature (down to 8.5°C (47.3°F)) as Sumba braces up for the onset of winter. The weather in October witnesses a significant incline in the rainfall, making this month noticeably wetter. Cloud percentage during this month increases, leading to less sunshine hours and increased humidity. Weather in October »
Weather in November
The weather in November in Sumba signifies the transition period from autumn to winter with descending temperatures. As the last leaves of autumn fall, the temperature dips further, making Sumba noticeably chillier. The chilly winds blow more frequently, making woolen clothes an essential part of the wardrobe. Weather in November »
Weather in December
Towards the year-end, December brings in the full force of winter in Sumba. The weather in December is characterized by plummeting temperatures, which average around 7.4°C (45.3°F). Short days, high humidity, and low temperatures create an atmosphere of a typical chilly winter day. Weather in December »
Updated: Jun 22, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the least humid months?
January, February and December, with an average relative humidity of 75%, are the least humid months.
How much does it rain?
In Sumba, during the entire year, the rain falls for 242.9 days and collects up to 709mm (27.91") of precipitation.
When does it snow?
January through May, September, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 10.9 snowfall days, and 50mm (1.97") of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 2.3h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 2.
What is the coldest time of year?
In Sumba, March is known for its average lowest temperatures, reaching a high of 7.1°C (44.8°F) and a low of 5°C (41°F).
What is the snowiest month in Sumba?
The month with the most snowfall is March, when snow falls for 2.6 days and typically aggregates up to 15mm (0.59") of snow.
What are the months with the highest UV index?
The months with the highest UV index in Sumba are May through October, with an average maximum UV index of 3.
What is the driest month?
June is the month with the least rainfall. Rain falls for 13.8 days and accumulates 28mm (1.1") of precipitation.
When it does not snow?
June through August and October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 19h and 18min of daylight.
What month has the most sunshine?
With an average of 8.2h of sunshine, June has the most sunshine of the year.
What is the most humid month in Sumba?
July is the most humid month in Sumba, with an average relative humidity of 89%.
What month is the hottest?
Sumba, Faroe Islands, witnesses the warmest weather in August, with temperatures averaging a high of 12°C (53.6°F) and a low of 10.8°C (51.4°F).
When is Daylight Saving Time (DST)?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.
What is the wettest month?
December is the month with the most rainfall. Rain falls for 23.9 days and accumulates 97mm (3.82") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 5h and 36min of daylight.
Average temperature
Sumba, Faroe Islands
The warmest month (with the highest average high temperature) is August (12°C).
The month with the lowest average high temperature is March (7.1°C).
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is March (5°C).
Average pressure
Sumba, Faroe Islands
- Average pressure in January:
1001.4mbar - Average pressure in February:
1002.7mbar - Average pressure in March:
1006.9mbar - Average pressure in April:
1012mbar - Average pressure in May:
1013.5mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1008.5mbar - Average pressure in September:
1007.7mbar - Average pressure in October:
1006.6mbar - Average pressure in November:
1002.7mbar - Average pressure in December:
1000.3mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is December (1000.3mbar).
Average wind speed
Sumba, Faroe Islands
- Average wind speed in January:
40.6km/h - Average wind speed in February:
37.9km/h - Average wind speed in March:
35.7km/h - Average wind speed in April:
31.9km/h - Average wind speed in May:
27.6km/h - Average wind speed in June:
23.6km/h
- Average wind speed in July:
24km/h - Average wind speed in August:
24.9km/h - Average wind speed in September:
30.9km/h - Average wind speed in October:
34.1km/h - Average wind speed in November:
36km/h - Average wind speed in December:
40.5km/h
The windiest month (with the highest average wind speed) is January (40.6km/h).
The calmest month (with the lowest average wind speed) is June (23.6km/h).
Average humidity
Sumba, Faroe Islands
The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are January, February and December (75%).
Average rainfall
Sumba, Faroe Islands
The wettest month (with the highest rainfall) is December (97mm).
The driest month (with the least rainfall) is June (28mm).
Average rainfall days
Sumba, Faroe Islands
- Average rainfall days in January:
23.3 days - Average rainfall days in February:
19.7 days - Average rainfall days in March:
22.7 days - Average rainfall days in April:
19.7 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
20.2 days - Average rainfall days in October:
22.6 days - Average rainfall days in November:
24.1 days - Average rainfall days in December:
23.9 days
The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is June (13.8 days).
Average snowfall
Sumba, Faroe Islands
The month with the highest snowfall is March (15mm).
The months with the least snowfall are June, July, August and October (0mm).
Average snowfall days
Sumba, Faroe Islands
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
1.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is March (2.6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight / Average sunshine
Sumba, Faroe Islands
- Average daylight in January:
6h and 3min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 5min - Average daylight in May:
17h and 4min - Average daylight in June:
19h and 2min
- Average daylight in July:
18h and 2min - Average daylight in August:
15h and 5min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 1min - Average daylight in December:
5h and 4min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January:
2h and 2min - Average sunshine in February:
3h and 2min - Average sunshine in March:
4h and 1min - Average sunshine in April:
5h and 3min - Average sunshine in May:
6h and 5min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
7h and 1min - Average sunshine in August:
6h and 4min - Average sunshine in September:
5h and 4min - Average sunshine in October:
3h and 3min - Average sunshine in November:
3h and 4min - Average sunshine in December:
2h and 3min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days
Sumba, Faroe Islands
- Average sunshine days in January:
3.6 days - Average sunshine days in February:
4.1 days - Average sunshine days in March:
4.4 days - Average sunshine days in April:
5.5 days - Average sunshine days in May:
7.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
7.5 days - Average sunshine days in October:
5.8 days - Average sunshine days in November:
3.9 days - Average sunshine days in December:
3.5 days
The month with the most sunshine days is June (13 days).
The month with the least sunshine days is December (3.5 days).
Average UV index
Sumba, Faroe Islands
The months with the highest UV index are May, June, July, August, September and October (UV index 3).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover
Sumba, Faroe Islands
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 62).
Average visibility
Sumba, Faroe Islands
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
