Climate and monthly weather forecastSale'aula, Samoa
Climate and monthly weather forecast
The climate of Sale'aula
Sale'aula, Samoa falls under the Köppen climate classification as a tropical monsoon climate. Its geographical position in the South Pacific Ocean results in high year-round humidity levels, warm temperature and significant rainfall.The town’s climate is marked by high temperatures that fluctuate minimally between 26.3°C (79.3°F) and 27.5°C (81.5°F) throughout the year, with the smallest variation in temperature noted between the months of January and December. Humidity remains consistently high, within the range of 79 to 82%.
Sale'aula receives a substantial amount of rainfall, with an average monthly precipitation that span from 102mm (4.02") in September to 459mm (18.07") in January. This results in a high number of rainy days, with the lowest number recorded in August with 21 days, and the highest in March, with an expected 29.3 days of rainfall.
Daylight hours are fairly stable, with small fluctuations from 11.3 hours in June to 12.9 hours in December, and the town receives between 7.1 to 8.1 hours of sunshine daily. The UV index remains unaffected by season, quantifying at a constant 7 throughout the year.
The best time to visit Sale'aula
Visitors looking to make the most of their trip should consider visiting Sale'aula between the months of June and September. During this period, the region experiences its lowest rainfall, with precipitation measuring between 102mm (4.02") to 169mm (6.65") per month. This equates to fewer rainy days and more opportunities to explore the town’s attractions without the hindrance of frequent showers. Simultaneously, sunshine hours peak at 7.9 hours in September, allowing visitors to make the most of their day.The worst time to visit Sale'aula
The least favorable time for a visit to Sale'aula would be between the months of January to April, when rainfall and humidity values are at their highest. Rainfall measures from 362mm (14.25") to 459mm (18.07") per month and humidity ranges from 79 to 81%. The climate is thus characterized by frequent rain showers that might deter outdoor activities.Spring weather in Sale'aula
Spring, spanning from March to May, is marked by a gradual decrease in rainfall, with precipitation reducing from 402mm (15.83") to 282mm (11.1"). It is during this season that the temperature lowers slightly, with minimum averages dropping to 26.4°C (79.5°F) in May from 26.2°C (79.2°F) in March. Daylight hours during this season remain consistent at approximately 11.7-11.5 hours.Summer weather in Sale'aula
The summer months from June to August witness a significant reduction in rainfall, tapering from 169mm (6.65") to a yearly low of 102mm (4.02") in August. This decreased precipitation is matched with the longest stretches of daylight, from 11.3 hours in June to 11.7 hours in August.Autumn weather in Sale'aula
Autumn in Sale'aula from September to November brings about an increment in rainfall from 102mm (4.02") to 309mm (12.17"). Nonetheless, temperatures remain relatively steady from 26.6°C (79.9°F) to 26.9°C (80.4°F). The length of daylight extends from 12.0 hours in September to 12.7 hours in November, offering relatively long periods of sunlight.Winter weather in Sale'aula
Winter, from December to February, is characterized by high rainfall with an increase from 421mm (16.57") to 459mm (18.07") in January. Yet, the average high temperature slightly decreases to 27.1°C (80.8°F) in December from 27.3°C (81.1°F) in February. Daylight hours extend from 12.9 hours in December to 12.5 hours in February, with sunshine hours stable at 7.2 hours.Weather in January
Sale'aula, Samoa greets the new year with relatively warm January weather characteristic of tropical regions. A notable shift has been observed in the monthly rainfall that peaks at 459mm (18.07"). This renders this month a high-magnitude rainfall period. Weather in January »Weather in February
In February, Sale'aula experiences weather similar to January; however, small fluctuations can be perceived. The standard tropical weather continues with an observable decrease in rainfall to 433mm (17.05"). The reduction in rainfall paves the way for longer sunlit days, creating a harmonious blend with February’s romantic air. Weather in February »Weather in March
March in Sale'aula, Samoa sets the stage for a slight change in weather conditions. Within this month, the intensity of the rainy season lessens, seen by a further decrease in rainfall scale. Concurrently, a marginal increase in sunshine hours can be noted. Weather in March »Weather in April
April brings forth several transitions in Sale'aula's weather. There is a registered drop in rainfall creating a moderately drier climate. Alongside the reduction in rainfall, an increase in daylight hours occurs. This results in warmer and brighter days enhancing the overall climate aesthetics. Weather in April »Weather in May
May signifies the onset of a noticeably drier season in Sale'aula. The downward trend in rainfall persists, and this time it clocks in at 282mm (11.1"); significantly lower than the past months. Concurrently, the wind speed picks up, accommodating for the reduced showers. Weather in May »Weather in June
June transcends May’s trends, welcoming the driest month in Sale'aula, Samoa with a low rainfall record of 155mm (6.1"). This period harbours an increased wind speed; a common counter-reaction to lessened rainfall. The reduced cloud coverage and remarkable visibility, courtesy of the dry weather, enhance the aesthetic appeal of Sale'aula at this time. Weather in June »Weather in July
Sale'aula's weather in July remains consistent with June's dry spell. This is evident through the meagre rainfall increment recoded. An increase in wind speed accompanies the escalated drier weather, influencing the overall atmospheric conditions. Weather in July »Weather in August
August in Sale'aula, Samoa brings about a marginally different weather pattern compared to July. The dry spell continues, but with a reduced rainfall, this time hitting the year's low. This low rainfall spell accompanies a surprisingly steady wind speed, maintaining a balanced atmospheric environment in the city. Weather in August »Weather in September
In September, weather conditions in Sale'aula transition gradually from the dry spell experienced in August. A slight increase in rainfall is noted, subtly marking the end of dry months. The wind speed drops off a bit, corresponding to the rainfall changes. Weather in September »Weather in October
In October, Sale'aula experiences significant weather changes, with increasingly frequent rainy periods. Rainfall amount escalates sharply to 218mm (8.58"), reversing the descending trend experienced since May. However, wind speed and sunshine hours vary slightly, not playing into the dramatic shift in rainfall. Weather in October »Weather in November
With the approach of November, Sale'aula, Samoa welcomes an upsurge in rainfall. The high precipitation recorded surpasses October’s rainfall, pushing towards a peak that could be attained in the months to come. The steady weather conditions facilitate smooth sailing into this wetter season. Weather in November »Weather in December
December sees Sale'aula, Samoa embracing appropriate end-of-year weather conditions. With a considerable increase in rainfall to 421mm (16.57"), this month furthers the climatic trend cemented by November's showers. The appealing mix of substantial rainfall, adequate sunshine hours, and constant temperatures attributes to a moderate tropical climate outlook for this month. 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 28.8 days and typically aggregates up to 459mm (18.07") of precipitation.
Throughout the year, there are 311 rainfall days, and 3423mm (134.76") of precipitation is accumulated.
The months with the least sunshine are January and February, with an average of 7.1h of sunshine.
January through December, with an average maximum UV index of 7, are months with the highest UV index.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
March and April, with an average relative humidity of 79%, are the least humid months.
With an average of 8.1h of sunshine, March has the most sunshine of the year.
April, recording an average high temperature of 27.5°C (81.5°F) and a low temperature of 26.4°C (79.5°F), is Sale'aula's warmest month.
June has the shortest days of the year, with an average of 11h and 18min of daylight.
Sale'aula experiences its coldest period in August and September, averaging a high-temperature of 26.3°C (79.3°F).
The most humid month is September, with an average relative humidity of 82%.
September is the month with the least rainfall. Rain falls for 21 days and accumulates 102mm (4.02") of precipitation.
With an average of 12h and 54min of daylight, December has the longest days of the year.
Sale'aula does not utilize Daylight Saving Time (DST). +13 timezone is used throughout the entire year.
Average temperature
Sale'aula, Samoa
The warmest month (with the highest average high temperature) is April (27.5°C).
The months with the lowest average high temperature are August and September (26.3°C).
The month with the highest average low temperature is April (26.4°C).
The coldest months (with the lowest average low temperature) are July, August and September (25.2°C).
Average pressure
Sale'aula, Samoa
- Average pressure in January:
1007.4mbar - Average pressure in February:
1007.8mbar - Average pressure in March:
1009.2mbar - Average pressure in April:
1010.2mbar - Average pressure in May:
1011mbar - Average pressure in June:
1011.6mbar
- Average pressure in July:
1011.7mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1011.1mbar - Average pressure in November:
1009.6mbar - Average pressure in December:
1008.2mbar
The month with the highest atmospheric pressure is September (1012.2mbar).
The month with the lowest atmospheric pressure is January (1007.4mbar).
Average wind speed
Sale'aula, Samoa
- Average wind speed in January:
19.2km/h - Average wind speed in February:
21.2km/h - Average wind speed in March:
16.5km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
20.1km/h - Average wind speed in June:
26.1km/h
- Average wind speed in July:
26.7km/h - Average wind speed in August:
26.4km/h - Average wind speed in September:
25.5km/h - Average wind speed in October:
22km/h - Average wind speed in November:
19.5km/h - Average wind speed in December:
19km/h
The windiest month (with the highest average wind speed) is July (26.7km/h).
The calmest month (with the lowest average wind speed) is March (16.5km/h).
Average humidity
Sale'aula, Samoa
The month with the highest relative humidity is September (82%).
The months with the lowest relative humidity are March and April (79%).
Average rainfall
Sale'aula, Samoa
- Average rainfall in January:
459mm - Average rainfall in February:
433mm - Average rainfall in March:
402mm - Average rainfall in April:
362mm - Average rainfall in May:
282mm - Average rainfall in June:
169mm
- Average rainfall in July:
155mm - Average rainfall in August:
111mm - Average rainfall in September:
102mm - Average rainfall in October:
218mm - Average rainfall in November:
309mm - Average rainfall in December:
421mm
The wettest month (with the highest rainfall) is January (459mm).
The driest month (with the least rainfall) is September (102mm).
Average rainfall days
Sale'aula, Samoa
- Average rainfall days in January:
28.8 days - Average rainfall days in February:
26.9 days - Average rainfall days in March:
29.3 days - Average rainfall days in April:
27.8 days - Average rainfall days in May:
27 days - Average rainfall days in June:
24.6 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
21 days - Average rainfall days in October:
26.2 days - Average rainfall days in November:
26.7 days - Average rainfall days in December:
28.6 days
The month with the highest number of rainy days is March (29.3 days).
The month with the least rainy days is September (21 days).
Average daylight / Average sunshine
Sale'aula, 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 42min - 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 6min - Average sunshine in February:
7h and 6min - Average sunshine in March:
8h and 6min - Average sunshine in April:
7h and 54min - Average sunshine in May:
7h and 48min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
7h and 36min - Average sunshine in September:
7h and 54min - Average sunshine in October:
7h and 36min - Average sunshine in November:
7h and 36min - Average sunshine in December:
7h and 12min
The month with the most sunshine is March (Average sunshine: 8h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 6min).
Average sunshine days
Sale'aula, Samoa
- Average sunshine days in January:
1 days - Average sunshine days in February:
0.8 days - Average sunshine days in March:
1.2 days - Average sunshine days in April:
1.3 days - Average sunshine days in May:
2.3 days - Average sunshine days in June:
3.3 days
- Average sunshine days in July:
5.4 days - Average sunshine days in August:
6.7 days - Average sunshine days in September:
6.3 days - Average sunshine days in October:
3.4 days - Average sunshine days in November:
2.6 days - Average sunshine days in December:
1.6 days
The month with the most sunshine days is August (6.7 days).
The month with the least sunshine days is February (0.8 days).
Average UV index
Sale'aula, 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
Sale'aula, Samoa
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 43).
Average visibility
Sale'aula, Samoa
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
