Climate Insights for Ailuk

Ratak Chain, Marshall Islands

Hottest
September
28°C peak83°F peak
Coldest
February
26°C low79°F low
Wettest
October
281 mm rain11 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Ailuk is hot. The average annual temperature is 27°C and approximately 1,755 mm of precipitation falls per year. Ailuk receives a notable amount of rainfall throughout the year, including during its driest month. Ailuk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 26°C.The climate in Ailuk is hot. The average annual temperature is 81°F and approximately 69.1 in of precipitation falls per year. Ailuk receives a notable amount of rainfall throughout the year, including during its driest month. Ailuk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 79°F.

Temperature

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

Ailuk has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.Ailuk has relatively stable temperatures year-round, staying within a 4°F range. The warmest month is September, when average highs reach 83°F and the mean temperature sits around 81°F. February is the coolest month, with minimum temperatures around 79°F and an average of 80°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 46mmFebPrecipitation: 37mmMarPrecipitation: 57mmAprPrecipitation: 109mmMayPrecipitation: 156mmJunPrecipitation: 147mmJulPrecipitation: 206mmAugPrecipitation: 198mmSepPrecipitation: 236mmOctPrecipitation: 281mmNovPrecipitation: 214mmDecPrecipitation: 68mm
Precipitation
0in2in4in6in8in10inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.8inFebPrecipitation: 1.5inMarPrecipitation: 2.2inAprPrecipitation: 4.3inMayPrecipitation: 6.1inJunPrecipitation: 5.8inJulPrecipitation: 8.1inAugPrecipitation: 7.8inSepPrecipitation: 9.3inOctPrecipitation: 11inNovPrecipitation: 8.4inDecPrecipitation: 2.7in
Precipitation

Ailuk is a fairly wet location, receiving approximately 1,755 mm of precipitation annually, which averages out to around 146 mm per month. The wettest month is October, averaging 281 mm of rainfall. September and November also tend to see above-average precipitation. The driest month is February, with just 37 mm. That's 243 mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Ailuk is a fairly wet location, receiving approximately 69.1 in of precipitation annually, which averages out to around 5.7 in per month. The wettest month is October, averaging 11.1 in of rainfall. September and November also tend to see above-average precipitation. The driest month is February, with just 1.5 in. That's 9.6 in less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/h35km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 32km/hFebWind Speed: 33km/hMarWind Speed: 31km/hAprWind Speed: 30km/hMayWind Speed: 28km/hJunWind Speed: 26km/hJulWind Speed: 24km/hAugWind Speed: 19km/hSepWind Speed: 17km/hOctWind Speed: 20km/hNovWind Speed: 27km/hDecWind Speed: 32km/h
Wind Speed
0mph5mph10mph15mph20mph25mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 20mphFebWind Speed: 21mphMarWind Speed: 19mphAprWind Speed: 18mphMayWind Speed: 17mphJunWind Speed: 16mphJulWind Speed: 15mphAugWind Speed: 12mphSepWind Speed: 11mphOctWind Speed: 12mphNovWind Speed: 17mphDecWind Speed: 20mph
Wind Speed

Ailuk is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 16km/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 32km/h in winter, 30km/h in spring, 23km/h in summer, 21km/h in autumn.Ailuk is very windy, with an average annual wind speed of 16mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 21mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 11mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10mph 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 20mph in winter, 18mph in spring, 14mph in summer, 13mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Ailuk 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 Ailuk 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 °C79 °F
27 °C81 °F
32 km/h20 mph
46 mm1.8 in
0 cm0 in
Feb
26 °C79 °F
27 °C81 °F
33 km/h21 mph
37 mm1.5 in
0 cm0 in
Mar
26 °C79 °F
27 °C81 °F
31 km/h19 mph
57 mm2.2 in
0 cm0 in
Apr
26 °C79 °F
28 °C82 °F
30 km/h18 mph
109 mm4.3 in
0 cm0 in
May
27 °C80 °F
28 °C82 °F
28 km/h17 mph
156 mm6.1 in
0 cm0 in
Jun
27 °C80 °F
28 °C83 °F
26 km/h16 mph
147 mm5.8 in
0 cm0 in
Jul
27 °C80 °F
28 °C83 °F
24 km/h15 mph
206 mm8.1 in
0 cm0 in
Aug
26 °C80 °F
28 °C83 °F
19 km/h12 mph
198 mm7.8 in
0 cm0 in
Sep
26 °C80 °F
28 °C83 °F
17 km/h11 mph
236 mm9.3 in
0 cm0 in
OctCurrent
26 °C79 °F
28 °C83 °F
20 km/h12 mph
281 mm11 in
0 cm0 in
Nov
27 °C80 °F
28 °C83 °F
27 km/h17 mph
214 mm8.4 in
0 cm0 in
Dec
27 °C80 °F
28 °C82 °F
32 km/h20 mph
68 mm2.7 in
0 cm0 in