Climate and monthly weather forecastSatuiatua, Samoa
Climate and monthly weather forecast
The climate of Satuiatua
Satuiatua, Samoa falls under the Köppen climate classification of Am, which denotes a climate typical of tropical monsoon regions. Its geographic location on the South Pacific Ocean's Samoa islands results in uniformly warm and humid weather. Temperature peaks are observed from January to April and December, with maximum averages ranging from 27.3°C (81.1°F) to 27.5°C (81.5°F). Minimum average temperatures do not fall far behind, varying from 25.2°C (77.4°F) to 26.4°C (79.5°F) throughout the year, denoting the region's characteristic tropical warmth.Humidity levels consistently loom around 80% and 82%, reflecting the island's high moisture content. Rainfall is abundant, though December, January, and February observe more considerable quantities, with average totals of 421mm (16.57"), 459mm (18.07"), and 433mm (17.05") respectively. The daylight hours trend remains relatively steady, fluctuating between 11.3 hours to 12.9 hours across the year. Expected sunshine duration varies slightly on a monthly basis, with a high of 8.1 hours in March and a low of 7.1 hours in January and February.
The average wind speed ranges from 16.5km/h (10.3mph) to 26.7km/h (16.6mph), and the maximum wind gusts reach speeds up to 36.7km/h (22.8mph). Visibility levels hover around 9km (5.6mi) to 10km (6.2mi), allowing sufficient clarity for daily activities, coupled with cloud cover% fluctuating moderately from 43% to 51%.
The Best Time to Visit Satuiatua
The most favorable time to visit Satuiatua would be between July to September. Despite the year-round high temperatures, these months show a slightly reduced range, varying from 26.3°C (79.3°F) to 26.6°C (79.9°F), offering a relatively cooler climate. The rainfall levels also dip significantly during these months, witnessing the lowest rainfall of the year between 102mm (4.02") to 155mm (6.1"), while the daylight duration stabilizes around 11.4 hours to 11.7 hours.The Worst Time to Visit Satuiatua
The period extending from December to February poses to be less favorable for a visit. This timeframe sees the highest rainfall quantities, with averages ranging from 421mm (16.57") to 459mm (18.07"), coupled with consistently high humidity levels around 80%, rendering the atmosphere exceedingly moist. Conversely, these months record the highest average temperatures of the year, peaking from 27.1°C (80.8°F) to 27.5°C (81.5°F), amplifying the discomfort caused by the excessive humidity.Spring Weather in Satuiatua
In Satuiatua, the spring months of March, April, and May commingle warmth and moisture. The average temperature fluctuates minimally from 26.3°C (79.3°F) to 27.5°C (81.5°F), sustaining the tropical climate. Simultaneously, rainfall ranges from 282mm (11.1") to 402mm (15.83"). Daylight hours gradually decrease from 12.2 hours to 11.5 hours, while average wind speed shows a mixed pattern, falling from 16.5km/h (10.3mph) in March to 17.3km/h (10.7mph) in April and ramping up to 20.1km/h (12.5mph) in May.Summer Weather in Satuiatua
Summer engulfs Satuiatua from June to August, holding average temperatures between 25.2°C (77.4°F) and 26.8°C (80.2°F), and recording the lowest rainfalls from 102mm (4.02") to 169mm (6.65"), moderating the tropical climate. These months witness increasing daylight hours from 11.3 hours to 11.7 hours. Simultaneously, wind speeds escalate, particularly in June and July, running from 26.1km/h (16.2mph) to 26.7km/h (16.6mph), offering a somewhat soothing respite from the high humidity levels.Autumn Weather in Satuiatua
The months of September through November define autumn in Satuiatua. Throughout this time, temperatures climb from 25.2°C (77.4°F) to 26.9°C (80.4°F). Rainfall, too, witnesses an upward trend, increasing from 102mm (4.02") in September to 309mm (12.17") in November. Daylight hours also rise incrementally from 12 hours to 12.8 hours but are mirroring a decline in the sunshine duration from 7.9 hours to 7.6 hours.Winter Weather in Satuiatua
Winter sets in Satuiatua from December to February. Despite the period being winter, temperatures remain high, fluctuating from 26.1°C (79°F) to 27.3°C (81.1°F). Rainfall levels escalate sharply during this period, reaching between 421mm (16.57") and 459mm (18.07"). Daylight hours inch upwards slightly from 12.8 hours to 12.9 hours. Despite the high precipitation, the count of sunshine hours remains steady around 7.2 hours to 7.1 hours, keeping the days mildly warm.Weather in January
The weather in Satuiatua, Samoa, during January remains relatively consistent to its subsequent month. Due to the high relative humidity of 80%, it feels quite sultry outdoors. Prevailing breezy conditions balance out the high temperatures to some extent, so it remains comfortable overall. Weather in January »Weather in February
February's weather in Satuiatua follows January's trends, with minor shifts in weather parameters. The temperature measurements show a trivial reduction, while the rainfall decreases slightly, making it less wet than the preceding month. Weather in February »Weather in March
Moving into March, the weather in Satuiatua unravels a pronounced switch from the preceding months, despite being in the same season. The amount of rainfall drops significantly to 402mm (15.83"), and there is an evident rise in sunshine hours. Weather in March »Weather in April
April's weather in Satuiatua witnesses a distinct shift with a further reduction in rainfall while still maintaining a warm temperature range. As evident from meteorological trends, April sees the least humidity rate in this quarter of the year. Weather in April »Weather in May
In May, the weather in Satuiatua transitions towards a drier phase while remaining consistently warm. It features lesser rainfall, with a significant drop to 282mm (11.1") compared to April, and continued steady temperatures. Consequently, this particular shift marks the beginning of a relatively dry period in the region. Weather in May »Weather in June
June’s weather in Satuiatua is typified by an extensive transition, particularly in the rain-related parameters. With the marked decrease in rainfall, down to 169mm (6.65"), June becomes one of the driest months, while still maintaining an agreeable temperature range. Weather in June »Weather in July
July’s weather in Satuiatua is similar to June’s, but with an even further reduction in rainfall, making July the month with the least rainfall - 155mm (6.1"). Nevertheless, the temperatures follow a similar pattern, keeping the overall climate warm and tropical. Weather in July »Weather in August
In August, the weather in Satuiatua transitions again, seeing slight changes compared to the previous month. Minimum temperature levels dwindle a bit, resulting in slightly cooler nights. While the overall rainfall amount remains in sync with the preceding month, there is a marginal increase in daylight hours. Weather in August »Weather in September
As September arrives, the weather in Satuiatua springs a pleasant surprise with a palpable rise in sunshine hours but a steady temperature range. This trend is coupled with a consistent low amount of rainfall - 102mm (4.02"), further amplifying its dry attributes. Weather in September »Weather in October
The weather in October in Satuiatua presents a rather different picture with a significant increase in rainfall, reaching up to 218mm (8.58"). This change is associated with the advent of the incoming rainy season but with temperature parameters remaining stable. Weather in October »Weather in November
November’s weather in Satuiatua confirms the onset of the rainy season with a further increase in rainfall. From 218mm (8.58") in the previous month, it remarkably reaches 309mm (12.17") in November. Temperatures remain fairly constant with a slight increase in the sunlight duration, resulting in slightly longer days. Weather in November »Weather in December
To round off the year, December’s weather in Satuiatua mirrors its typical tropical-rainy nature with an upswing of rainfall to 421mm (16.57"). The temperature range stands close to what is noted in November, ensuring a consistent warm climate. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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
Satuiatua, 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).





