Climate Insights for Rongelap

Ralik Chain, Marshall Islands

Hottest
September
28°C peak83°F peak
Coldest
February
26°C low79°F low
Wettest
October
264 mm rain10.4 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Rongelap is hot. The average annual temperature is 27°C and approximately 1,468 mm of precipitation falls per year. October is the wettest month, receiving around 264 mm of rainfall. Rongelap 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 Rongelap is hot. The average annual temperature is 81°F and approximately 57.8 in of precipitation falls per year. October is the wettest month, receiving around 10.4 in of rainfall. Rongelap 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: 27°Average: 27°Min: 26°MayMax: 28°Average: 27°Min: 27°JunMax: 28°Average: 27°Min: 27°JulMax: 28°Average: 28°Min: 27°AugMax: 28°Average: 28°Min: 27°SepMax: 28°Average: 28°Min: 27°OctMax: 28°Average: 27°Min: 27°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: 81°FAverage: 81°FMin: 79°FMayMax: 82°FAverage: 81°FMin: 80°FJunMax: 83°FAverage: 81°FMin: 80°FJulMax: 83°FAverage: 82°FMin: 80°FAugMax: 83°FAverage: 82°FMin: 80°FSepMax: 83°FAverage: 82°FMin: 80°FOctMax: 83°FAverage: 81°FMin: 80°FNovMax: 83°FAverage: 81°FMin: 80°FDecMax: 82°FAverage: 81°FMin: 80°F
Max
Average
Min

Rongelap 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 28°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.Rongelap 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 82°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 2°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 39mmFebPrecipitation: 27mmMarPrecipitation: 64mmAprPrecipitation: 71mmMayPrecipitation: 101mmJunPrecipitation: 117mmJulPrecipitation: 163mmAugPrecipitation: 187mmSepPrecipitation: 205mmOctPrecipitation: 264mmNovPrecipitation: 176mmDecPrecipitation: 55mm
Precipitation
0in2in4in6in8in10inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.5inFebPrecipitation: 1.1inMarPrecipitation: 2.5inAprPrecipitation: 2.8inMayPrecipitation: 4inJunPrecipitation: 4.6inJulPrecipitation: 6.4inAugPrecipitation: 7.4inSepPrecipitation: 8.1inOctPrecipitation: 10.4inNovPrecipitation: 6.9inDecPrecipitation: 2.2in
Precipitation

Rongelap is a fairly wet location, receiving approximately 1,468 mm of precipitation annually, which averages out to around 122 mm per month. The wettest month is October, averaging 264 mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 27 mm. That's 237 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.Rongelap is a fairly wet location, receiving approximately 57.8 in of precipitation annually, which averages out to around 4.8 in per month. The wettest month is October, averaging 10.4 in of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 1.1 in. That's 9.3 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: 31km/hFebWind Speed: 33km/hMarWind Speed: 30km/hAprWind Speed: 29km/hMayWind Speed: 28km/hJunWind Speed: 26km/hJulWind Speed: 24km/hAugWind Speed: 19km/hSepWind Speed: 18km/hOctWind Speed: 20km/hNovWind Speed: 28km/hDecWind Speed: 32km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 19mphFebWind Speed: 20mphMarWind Speed: 19mphAprWind Speed: 18mphMayWind Speed: 17mphJunWind Speed: 16mphJulWind Speed: 15mphAugWind Speed: 12mphSepWind Speed: 11mphOctWind Speed: 13mphNovWind Speed: 17mphDecWind Speed: 20mph
Wind Speed

Rongelap 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 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 15km/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, 29km/h in spring, 23km/h in summer, 22km/h in autumn.Rongelap 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 20mph, 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 9mph 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, 14mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Rongelap 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 Rongelap 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
31 km/h19 mph
39 mm1.5 in
0 cm0 in
Feb
26 °C79 °F
27 °C81 °F
33 km/h20 mph
27 mm1.1 in
0 cm0 in
Mar
26 °C79 °F
27 °C81 °F
30 km/h19 mph
64 mm2.5 in
0 cm0 in
Apr
26 °C79 °F
27 °C81 °F
29 km/h18 mph
71 mm2.8 in
0 cm0 in
May
27 °C80 °F
28 °C82 °F
28 km/h17 mph
101 mm4 in
0 cm0 in
Jun
27 °C80 °F
28 °C83 °F
26 km/h16 mph
117 mm4.6 in
0 cm0 in
Jul
27 °C80 °F
28 °C83 °F
24 km/h15 mph
163 mm6.4 in
0 cm0 in
Aug
27 °C80 °F
28 °C83 °F
19 km/h12 mph
187 mm7.4 in
0 cm0 in
Sep
27 °C80 °F
28 °C83 °F
18 km/h11 mph
205 mm8.1 in
0 cm0 in
OctCurrent
27 °C80 °F
28 °C83 °F
20 km/h13 mph
264 mm10.4 in
0 cm0 in
Nov
27 °C80 °F
28 °C83 °F
28 km/h17 mph
176 mm6.9 in
0 cm0 in
Dec
27 °C80 °F
28 °C82 °F
32 km/h20 mph
55 mm2.2 in
0 cm0 in