Climate and monthly weather forecastSapapali'i, Samoa
Climate and monthly weather forecast
The climate of Sapapali'i
Located in the South Pacific, within the tropical region of Samoa, Sapapali'i carries with it the characteristics of a tropical rainforest climate, designated as Af under the Köppen climate classification system. This indicates a humid, warm environment with substantial rainfall throughout the year, lacking a distinct dry period.Temperatures remain consistent all year round, varying only marginally. High temperatures range from 27.3°C (81.1°F) to 28.7°C (83.7°F), while low temperatures fluctuate from 26°C (78.8°F) to 27.6°C (81.7°F), providing an inexplicably stable climate. Factor in a relative humidity persistently around the mid to high 70s and it becomes apparent that this is a place of consistent heat.
Rainfall averages vary more notably, yet nonetheless, maintain a constant presence. Values span from 57mm (2.24") to 175mm (6.89"). Days with observed precipitation keep within a consistently higher number, fluctuating from 18.7 days to 22.7 days each month.
An interesting note about Sapapali'i is the consistency of daylight hours. The range is narrow, from 11.3 hours to 12.9 hours. Correspondingly, hours of sunshine do not deviate excessively either, oscillating between 7.3 hours and 8.7 hours. Winds manifest themselves all year round, with their speeds intensifying from 14.8km/h (9.2mph) to 24.7km/h (15.3mph).
The best time to visit Sapapali'i
Despite the consistent climate in Sapapali'i, there are some months that might be more favorable to visitors seeking certain conditions. If less rainfall is a preference, then September should be treatment as the best period due to its minimum average rainfall, 57mm (2.24") across 18.7 days. This month, as well as October and November also have slightly elevated temperatures of just above 27.5°C (81.5°F) allowing for warmth without overwhelming humidity.The worst time to visit Sapapali'i
Though the temperatures remain reasonably consistent year-round, the precipitation patterns in Sapapali'i do vary more substantially. January and February see the highest levels of rainfall, with averages of 175mm (6.89") and 155mm (6.1") respectively. Those visiting during these months should be prepared for heavy precipitation. On top of that, January is one of the windier months with gusts of wind up to 25.5km/h (15.8mph).Spring weather in Sapapali'i
Spring in Sapapali'i which includes the months of September, October, and November, brings a slightly reduced rainfall pattern but maintains the typical tropical temperatures. From 57mm (2.24") in September, rainfall proceeds to escalate to 115mm (4.53") in November. Daylight hours increase slightly from September to November, going from 12 hours to 12.8 hours, as sunshine hours also rise slightly from 7.8 hours to 8.1 hours.Summer weather in Sapapali'i
Summers in Sapapali'i, spanning December to February, see an increase in rainfall with the peak observed in January at 175mm (6.89"). Despite the higher probability of getting caught in the rain, the temperature maintains its stability, with high temperatures varying from 27.8°C (82°F) to 28.5°C (83.3°F) and lows from 27°C (80.6°F) to 27.6°C (81.7°F). Daylight and sunshine hours slightly decrease from December to February.Autumn weather in Sapapali'i
The autumn months of March through May feature slowly declining daylight and sunshine hours, but the temperature and humidity remain steady. Average rainfall steps down to 124mm (4.88") in April only to increase to 118mm (4.65") in May. Wind speeds remain moderate, with averages around the 18km/h (11.2mph) mark.Winter weather in Sapapali'i
Winter in Sapapali'i, incorporating June through August, doesn't observe drastic variations in temperature. The highest temperatures slightly drop to about 27.5°C (81.5°F) by July, while the low temperatures reach their minimum in August at 26°C (78.8°F). The rainfall stays relatively high, with values between 84mm (3.31") to 146mm (5.75"). Wind speeds significantly increase during these months, reaching their peak in July at 24.7km/h (15.3mph).Weather in January
January brings a slight rise in temperatures in Sapapali'i, Samoa, as compared to the preceding month. The humidity and sunlight hours hover at a similar level to December, maintaining a warm yet pleasing climate. Specifically, January denotes the highest average daytime temperatures reaching up to 28.5°C (83.3°F). Weather in January »Weather in February
In February, Sapapali'i experiences a subtle decrease in both high and low temperatures from January. This does not significantly alter the overall weather pattern, and the city continues to enjoy warm temperatures. The main characteristic of the month, as per the given data, is the peak wind speed of 20.2km/h (12.6mph), providing a refreshing breeze. Weather in February »Weather in March
As we transition from February to March, Sapapali'i undergoes a slight shift in its weather. Temperatures holding a steady line, humidity sees a bit of a drop. Highlights of the weather conditions note the lowest rainfall, at 73mm (2.87") throughout the year, signifying a relatively drier month. Weather in March »Weather in April
April brings with it a mix of weather components, contrasting the drier March. While the temperature does not witness much change, the humidity levels creep up slightly, promoting a slightly heavier atmosphere. Rainfall escalates drastically to 124mm (4.88"), more prominently than the previous and the subsequent month. Weather in April »Weather in May
Transitioning into May, Sapapali'i encounters minor variations in its weather conditions compared to April. Temperatures and rainfall both record a decrease, signaling the city's gradual movement towards a cooler climate. The month exhibits the highest pressure readings of 1011.1mb, adequately representing a calmer atmosphere. Weather in May »Weather in June
June introduces a series of changes to Sapapali'i's weather. Although a moderate drop in temperatures from May is witnessed, June's climate accents a notable rise in wind speed. The highest wind speeds of 24km/h (14.9mph) provide a gentle distraction from the growing humidity levels. Weather in June »Weather in July
July continues the trend of dropping temperatures and sunlight hours, also presenting a constant wind speed equal to June's. Notwithstanding the reduced daylight hours, the months' standing features are the highest wind gusts of 34.8km/h (21.6mph). Weather in July »Weather in August
August demonstrates little changes in the weather patterns of Sapapali'i as compared to July, maintaining constancy in temperatures, wind speed, and humidity. Significantly lower rainfall of 84mm (3.31") distinguishes this month, offering residents a drier ambiance. Weather in August »Weather in September
September brings moderate yet pleasant weather conditions to Sapapali'i. Temperatures begin to rise slowly from the preceding months, heralding the arrival of a slightly warmer climate. With the lowest rainfall of the year measuring at 57mm (2.24"), September allows for a lot of dry, sunny days. Weather in September »Weather in October
October signifies a happy medium in weather conditions throughout the year in Sapapali'i. Concise increments in temperature, humidity, and daylight hours from September provide a perfectly balanced climate. Despite slight increases in rainfall, clear visibility coupled with warmer days present an appealing prelude to November's weather. The weather during October records an average high-temperature of a still warm 27.8°C (82°F), closely mirroring the preceding month. Weather in October »Weather in November
November's weather units continue to display higher metrics as compared to October. Higher temperatures coupled with steady winds contribute to a welcoming atmosphere in Sapapali'i. Despite these rising temperatures, Sapapali'i's climate features significant rainfall amounting to 112mm (4.41"). Weather in November »Weather in December
Finally, Sapapali'i concludes the year maintaining the warm temperatures characteristic of November. December witnesses an escalation in both humidity and rainfall from November, setting a festive mood with frequent showers. The highest daylight hours are recorded at 12.9, ensuring brighter days and late sunsets. Weather in December »Updated: Jun 3, 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
The month with the most rainfall is January, when the rain falls for 19.9 days and typically aggregates up to 175mm (6.89") of precipitation.
In Sapapali'i, during the entire year, the rain falls for 246.7 days and collects up to 1451mm (57.13") of precipitation.
The months with the highest UV index are January through December, with an average maximum UV index of 7.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
Sapapali'i witnesses its highest temperatures in March and April, reaching an average of 28.7°C (83.7°F).
The least humid month is March, with an average relative humidity of 75%.
With an average of 8.7h of sunshine, March has the most sunshine of the year.
The months with the highest humidity are June through September, with an average relative humidity of 78%.
June has the shortest days of the year, with an average of 11h and 18min of daylight.
July has the least sunshine of the year, with an average of 7.3h of sunshine.
The coldest time of the year is September, with temperatures averaging a high of 27.3°C (81.1°F) and a low of 26.3°C (79.3°F).
September is the month with the least rainfall. Rain falls for 18.7 days and accumulates 57mm (2.24") of precipitation.
The month with the longest days is December, with an average of 12h and 54min of daylight.
Sapapali'i does not utilize Daylight Saving Time (DST). +13 timezone is used throughout the entire year.
Average temperature
Sapapali'i, Samoa
The warmest months (with the highest average high temperature) are March and April (28.7°C).
The month with the lowest average high temperature is September (27.3°C).
The month with the highest average low temperature is January (27.6°C).
The coldest month (with the lowest average low temperature) is August (26°C).
Average pressure
Sapapali'i, Samoa
- Average pressure in January:
1007.5mbar - Average pressure in February:
1007.9mbar - Average pressure in March:
1009.3mbar - Average pressure in April:
1010.3mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1011.7mbar
- Average pressure in July:
1011.8mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1012.3mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1008.3mbar
The month with the highest atmospheric pressure is September (1012.3mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).
Average wind speed
Sapapali'i, Samoa
- Average wind speed in January:
17.8km/h - Average wind speed in February:
19km/h - Average wind speed in March:
14.8km/h - Average wind speed in April:
16km/h - Average wind speed in May:
18.4km/h - Average wind speed in June:
24km/h
- Average wind speed in July:
24.7km/h - Average wind speed in August:
24.2km/h - Average wind speed in September:
23.2km/h - Average wind speed in October:
20.3km/h - Average wind speed in November:
17.8km/h - Average wind speed in December:
17.4km/h
The windiest month (with the highest average wind speed) is July (24.7km/h).
The calmest month (with the lowest average wind speed) is March (14.8km/h).
Average humidity
Sapapali'i, Samoa
The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall
Sapapali'i, Samoa
- Average rainfall in January:
175mm - Average rainfall in February:
155mm - Average rainfall in March:
73mm - Average rainfall in April:
124mm - Average rainfall in May:
118mm - Average rainfall in June:
130mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is September (57mm).
Average rainfall days
Sapapali'i, Samoa
- Average rainfall days in January:
19.9 days - Average rainfall days in February:
18.8 days - Average rainfall days in March:
21 days - Average rainfall days in April:
22.7 days - Average rainfall days in May:
22.5 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
21.7 days - Average rainfall days in August:
21.4 days - Average rainfall days in September:
18.7 days - Average rainfall days in October:
21.8 days - Average rainfall days in November:
18.8 days - Average rainfall days in December:
19.1 days
The month with the highest number of rainy days is April (22.7 days).
The month with the least rainy days is September (18.7 days).
Average daylight / Average sunshine
Sapapali'i, Samoa
- Average daylight in January:
12h and 48min - Average daylight in February:
12h and 30min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 48min - Average daylight in May:
11h and 30min - Average daylight in June:
11h and 18min
- Average daylight in July:
11h and 24min - Average daylight in August:
11h and 42min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 24min - Average daylight in November:
12h and 48min - Average daylight in December:
12h and 54min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in January:
7h and 54min - Average sunshine in February:
8h and 0min - Average sunshine in March:
8h and 42min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 0min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
7h and 18min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 48min - Average sunshine in October:
7h and 48min - Average sunshine in November:
8h and 6min - Average sunshine in December:
8h and 0min
The month with the most sunshine is March (Average sunshine: 8h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days
Sapapali'i, Samoa
- Average sunshine days in January:
10 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
4.3 days - Average sunshine days in May:
3.8 days - Average sunshine days in June:
2.7 days
- Average sunshine days in July:
3.1 days - Average sunshine days in August:
3.8 days - Average sunshine days in September:
3.6 days - Average sunshine days in October:
4.3 days - Average sunshine days in November:
8.1 days - Average sunshine days in December:
10.4 days
The month with the most sunshine days is December (10.4 days).
The month with the least sunshine days is June (2.7 days).
Average UV index
Sapapali'i, Samoa
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Sapapali'i, Samoa
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 38).
Average visibility
Sapapali'i, Samoa
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
