Climate Insights for Ofu Airport

Manuʻa District, American Samoa, United States

Hottest
April
28°C peak83°F peak
Coldest
September
26°C low78°F low
Wettest
February
431 mm rain17 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Ofu Airport is hot. The average annual temperature is 27°C and approximately 2,619 mm of precipitation falls per year. Ofu Airport receives a notable amount of rainfall throughout the year, including during its driest month. Ofu Airport is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: April, March, January. The coldest months are September, August, July, when temperatures can drop to 26°C.The climate in Ofu Airport is hot. The average annual temperature is 81°F and approximately 103.1 in of precipitation falls per year. Ofu Airport receives a notable amount of rainfall throughout the year, including during its driest month. Ofu Airport is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: April, March, January. The coldest months are September, August, July, when temperatures can drop to 78°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 28°Average: 27°Min: 26°FebMax: 28°Average: 27°Min: 26°MarMax: 28°Average: 28°Min: 27°AprMax: 28°Average: 28°Min: 27°MayMax: 28°Average: 27°Min: 27°JunMax: 28°Average: 27°Min: 26°JulMax: 27°Average: 27°Min: 26°AugMax: 27°Average: 26°Min: 26°SepMax: 27°Average: 26°Min: 26°OctMax: 27°Average: 27°Min: 26°NovMax: 28°Average: 27°Min: 26°DecMax: 28°Average: 27°Min: 26°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 83°FAverage: 81°FMin: 80°FFebMax: 83°FAverage: 81°FMin: 80°FMarMax: 83°FAverage: 82°FMin: 80°FAprMax: 83°FAverage: 82°FMin: 80°FMayMax: 83°FAverage: 81°FMin: 80°FJunMax: 82°FAverage: 81°FMin: 79°FJulMax: 81°FAverage: 80°FMin: 79°FAugMax: 81°FAverage: 80°FMin: 78°FSepMax: 81°FAverage: 80°FMin: 78°FOctMax: 81°FAverage: 80°FMin: 79°FNovMax: 82°FAverage: 80°FMin: 79°FDecMax: 82°FAverage: 81°FMin: 79°F
Max
Average
Min

Ofu Airport has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 28°C. September is the coolest month, with minimum temperatures around 26°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.Ofu Airport has relatively stable temperatures year-round, staying within a 5°F range. The warmest month is April, when average highs reach 83°F and the mean temperature sits around 82°F. September is the coolest month, with minimum temperatures around 78°F and an average of 80°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mm400mm450mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 294mmFebPrecipitation: 431mmMarPrecipitation: 185mmAprPrecipitation: 252mmMayPrecipitation: 229mmJunPrecipitation: 135mmJulPrecipitation: 125mmAugPrecipitation: 100mmSepPrecipitation: 99mmOctPrecipitation: 196mmNovPrecipitation: 243mmDecPrecipitation: 330mm
Precipitation
0in2in4in6in8in10in12in14in16inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 11.6inFebPrecipitation: 17inMarPrecipitation: 7.3inAprPrecipitation: 9.9inMayPrecipitation: 9inJunPrecipitation: 5.3inJulPrecipitation: 4.9inAugPrecipitation: 3.9inSepPrecipitation: 3.9inOctPrecipitation: 7.7inNovPrecipitation: 9.5inDecPrecipitation: 13in
Precipitation

Ofu Airport is a very wet location, receiving approximately 2,619 mm of precipitation annually, which averages out to around 218 mm per month. The wettest month is February, averaging 431 mm of rainfall. December and January also tend to see above-average precipitation. The driest month is September, with just 99 mm. That's 332 mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Ofu Airport is a very wet location, receiving approximately 103.1 in of precipitation annually, which averages out to around 8.6 in per month. The wettest month is February, averaging 17 in of rainfall. December and January also tend to see above-average precipitation. The driest month is September, with just 3.9 in. That's 13.1 in less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 19km/hFebWind Speed: 21km/hMarWind Speed: 16km/hAprWind Speed: 18km/hMayWind Speed: 21km/hJunWind Speed: 25km/hJulWind Speed: 26km/hAugWind Speed: 25km/hSepWind Speed: 25km/hOctWind Speed: 25km/hNovWind Speed: 19km/hDecWind Speed: 19km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12mphFebWind Speed: 13mphMarWind Speed: 10mphAprWind Speed: 11mphMayWind Speed: 13mphJunWind Speed: 16mphJulWind Speed: 16mphAugWind Speed: 16mphSepWind Speed: 16mphOctWind Speed: 15mphNovWind Speed: 12mphDecWind Speed: 12mph
Wind Speed

Ofu Airport is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 23km/h in spring, 20km/h in summer, 18km/h in autumn.Ofu Airport is very windy, with an average annual wind speed of 13mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 16mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 10mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16mph in winter, 14mph in spring, 12mph in summer, 11mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Ofu Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Ofu Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C80 °F
28 °C83 °F
19 km/h12 mph
294 mm11.6 in
0 cm0 in
Feb
26 °C80 °F
28 °C83 °F
21 km/h13 mph
431 mm17 in
0 cm0 in
Mar
27 °C80 °F
28 °C83 °F
16 km/h10 mph
185 mm7.3 in
0 cm0 in
Apr
27 °C80 °F
28 °C83 °F
18 km/h11 mph
252 mm9.9 in
0 cm0 in
May
27 °C80 °F
28 °C83 °F
21 km/h13 mph
229 mm9 in
0 cm0 in
Jun
26 °C79 °F
28 °C82 °F
25 km/h16 mph
135 mm5.3 in
0 cm0 in
Jul
26 °C79 °F
27 °C81 °F
26 km/h16 mph
125 mm4.9 in
0 cm0 in
Aug
26 °C78 °F
27 °C81 °F
25 km/h16 mph
100 mm3.9 in
0 cm0 in
Sep
26 °C78 °F
27 °C81 °F
25 km/h16 mph
99 mm3.9 in
0 cm0 in
OctCurrent
26 °C79 °F
27 °C81 °F
25 km/h15 mph
196 mm7.7 in
0 cm0 in
Nov
26 °C79 °F
28 °C82 °F
19 km/h12 mph
243 mm9.5 in
0 cm0 in
Dec
26 °C79 °F
28 °C82 °F
19 km/h12 mph
330 mm13 in
0 cm0 in