Climate and monthly weather forecastSumar, Netherlands
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Sumar, Netherlands, with an average temperature fluctuating between 1.4°C (34.5°F) and 4.8°C (40.6°F). With its high average temperature of 4.8°C (40.6°F) and a low of 1.4°C (34.5°F), January is regarded as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Sumar, Netherlands, with an average temperature fluctuating between 1.3°C (34.3°F) and 5.4°C (41.7°F). Sumar experiences a minor change to a still wintry 5.4°C (41.7°F) in average high-temperature during February, closely reflecting January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Sumar, Netherlands, with an average temperature fluctuating between 3°C (37.4°F) and 8.9°C (48°F). In Sumar, the average high-temperature in March slightly rises, from an icy 5.4°C (41.7°F) in February, to a frosty 8.9°C (48°F). Weather in March »Weather in April
April in Sumar, Netherlands, is a moderate spring month, with an average temperature varying between 13.3°C (55.9°F) and 5.6°C (42.1°F). Sumar, Netherlands, in April observes a minor temperature shift, with average high-temperatures adjusting from a chilly 8.9°C (48°F) in March to a mild 13.3°C (55.9°F). Weather in April »Weather in May
May, the last month of the spring in Sumar, is another mild month, with temperature in the range of an average high of 15.8°C (60.4°F) and an average low of 8.2°C (46.8°F). The arrival of May marks a slight shift to an average high-temperature of a still moderate 15.8°C (60.4°F) from April's 13.3°C (55.9°F). Weather in May »Weather in June
June, the first month of the summer in Sumar, is a comfortable month, with an average temperature varying between 11.2°C (52.2°F) and 18.7°C (65.7°F). The arrival of June sees an average high-temperature of an enjoyable 18.7°C (65.7°F), hardly diverging from May's 15.8°C (60.4°F). Weather in June »Weather in July
July is a pleasant summer month in Sumar, Netherlands, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 21°C (69.8°F). The shift to July signals an average high-temperature of a pleasant 21°C (69.8°F), subtly varied from June's 18.7°C (65.7°F). Weather in July »Weather in August
August, the last month of the summer in Sumar, is also an agreeable month, with an average temperature varying between 13.8°C (56.8°F) and 21.3°C (70.3°F). Sumar witnesses the warmest weather in August, with temperatures averaging a high of 21.3°C (70.3°F) and a low of 13.8°C (56.8°F). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Sumar, Netherlands, with an average temperature ranging between max 18°C (64.4°F) and min 11.7°C (53.1°F). September sees a slight reduction in average high-temperature, with a shift from an agreeable 21.3°C (70.3°F) in August to a comfortable 18°C (64.4°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Sumar, Netherlands, with an average temperature ranging between max 14°C (57.2°F) and min 8.6°C (47.5°F). As September shifts into October, a minor alteration in temperatures is observed, with average highs reducing from a refreshing 18°C (64.4°F) to a moderate 14°C (57.2°F). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Sumar, Netherlands, with an average temperature varying between 9.2°C (48.6°F) and 5.4°C (41.7°F). A modest decline in the average high-temperature is seen during November, decreasing from a moderate 14°C (57.2°F) in October to a chilly 9.2°C (48.6°F). Weather in November »Weather in December
December, the first month of the winter in Sumar, is also a frosty month, with temperature in the range of an average high of 6.4°C (43.5°F) and an average low of 3.1°C (37.6°F). Sumar marks the onset of December with an average high-temperature of a still chilly 6.4°C (43.5°F), subtly divergent from November's 9.2°C (48.6°F). Weather in December »Updated: Jan 26, 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
Sumar, Netherlands, witnesses the coldest weather in January, with temperatures averaging a high of 4.8°C (40.6°F) and a low of 1.4°C (34.5°F).
Throughout the year, there are 193.8 rainfall days, and 494mm (19.45") of precipitation is accumulated.
Months with snowfall in Sumar, Netherlands, are January through April, November and December.
In Sumar, Netherlands, during the entire year, snow falls for 14.8 days and aggregates up to 72mm (2.83") of snow.
The months with the lowest UV index in Sumar, Netherlands, are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall in Sumar. Snow falls for 4.8 days and accumulates 26mm (1.02") of snow.
April is the least humid month in Sumar, with an average relative humidity of 78%.
The month with the least rainfall in Sumar, Netherlands, is April, when the rain falls for 13.8 days and typically collects 26mm (1.02") of precipitation.
May through October are months without snowfall in Sumar, Netherlands.
The month with the longest days is June, with an average of 16h and 54min of daylight.
July is the month with the most rainfall. Rain falls for 19.8 days and accumulates 52mm (2.05") of precipitation.
The month with the most sunshine in Sumar is July, with an average of 9.4h of sunshine.
July is the month with the highest UV index in Sumar, Netherlands, with an average maximum UV index of 5.
The warmest time of the year in Sumar is August, with temperatures averaging a high of 21.3°C (70.3°F) and a low of 13.8°C (56.8°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The most humid month in Sumar is December, with an average relative humidity of 88%.
With an average of 7h and 36min of daylight, December has the shortest days of the year.
December has the least sunshine of the year in Sumar, with an average of 3.3h of sunshine.
Average temperature
Sumar, Netherlands
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.8°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure
Sumar, Netherlands
- Average pressure in January:
1013.9mbar - Average pressure in February:
1013.7mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1014.8mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1015.2mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1013.3mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed
Sumar, Netherlands
- Average wind speed in January:
21.2km/h - Average wind speed in February:
20.7km/h - Average wind speed in March:
18.6km/h - Average wind speed in April:
15.7km/h - Average wind speed in May:
15.6km/h - Average wind speed in June:
14.8km/h
- Average wind speed in July:
14.3km/h - Average wind speed in August:
14.4km/h - Average wind speed in September:
15.1km/h - Average wind speed in October:
17.3km/h - Average wind speed in November:
18.5km/h - Average wind speed in December:
21.7km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity
Sumar, Netherlands
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall
Sumar, Netherlands
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days
Sumar, Netherlands
- Average rainfall days in January:
16 days - Average rainfall days in February:
14.9 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
18.4 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
15.2 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
18.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is April (13.8 days).
Average snowfall
Sumar, Netherlands
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Sumar, Netherlands
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sumar, Netherlands
- Average daylight in January:
8h and 12min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - Average daylight in August:
14h and 42min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 42min - Average daylight in December:
7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
9h and 12min - Average sunshine in September:
7h and 6min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days
Sumar, Netherlands
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
9.9 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
12.2 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is December (8.5 days).
Average UV index
Sumar, Netherlands
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sumar, Netherlands
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility
Sumar, Netherlands
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
