Climate Insights for Rongelap Airport

, Rongelap Atoll, Marshall Islands

Hottest
August
28°C peak
Coldest
February
26°C low
Wettest
October
282mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Rongelap Airport is hot. The average annual temperature is 27°C and approximately 1687mm of precipitation falls per year. Rongelap Airport receives a notable amount of rainfall throughout the year, including during its driest month. Rongelap Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, October. The coldest months are February, March, January, when temperatures can drop to 26°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 27° Min: 26° Feb Max: 27° Average: 27° Min: 26° Mar Max: 27° Average: 27° Min: 26° Apr Max: 27° Average: 27° Min: 26° May Max: 28° Average: 27° Min: 27° Jun Max: 28° Average: 27° Min: 27° Jul Max: 28° Average: 28° Min: 27° Aug Max: 28° Average: 28° Min: 27° Sep Max: 28° Average: 28° Min: 27° Oct Max: 28° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 27° Dec Max: 28° Average: 27° Min: 27°
Max
Average
Min

Rongelap Airport has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is August, 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.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 47mm Feb Precipitation: 31mm Mar Precipitation: 72mm Apr Precipitation: 69mm May Precipitation: 123mm Jun Precipitation: 143mm Jul Precipitation: 182mm Aug Precipitation: 220mm Sep Precipitation: 227mm Oct Precipitation: 282mm Nov Precipitation: 219mm Dec Precipitation: 71mm
Precipitation

Rongelap Airport is a fairly wet location, receiving approximately 1687mm of precipitation annually, which averages out to around 141mm per month. The wettest month is October, averaging 282mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 31mm. That's 251mm 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/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 8km/h Apr Wind Speed: 9km/h May Wind Speed: 8km/h Jun Wind Speed: 7km/h Jul Wind Speed: 6km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 7km/h Dec Wind Speed: 9km/h
Wind Speed

Rongelap Airport is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9km/h in winter, 8km/h in spring, 6km/h in summer, 6km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

84 days until Autumn

It is currently summer in Rongelap Airport, which began on June 21, 2026. Rongelap Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 28°C, while the coldest stretch bottoms out in February near 26°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.

Spring

Temperatures range from 26 to 28°C. Precipitation is moderate at around 264mm for the season, averaging 88mm per month. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 546mm across the season with a monthly average of 182mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 728mm across the season with a monthly average of 243mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Rongelap 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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C
27 °C
9 km/h
47 mm
0 cm
Feb
26 °C
27 °C
9 km/h
31 mm
0 cm
Mar
26 °C
27 °C
8 km/h
72 mm
0 cm
Apr
26 °C
27 °C
9 km/h
69 mm
0 cm
May
27 °C
28 °C
8 km/h
123 mm
0 cm
Jun
27 °C
28 °C
7 km/h
143 mm
0 cm
Jul Current
27 °C
28 °C
6 km/h
182 mm
0 cm
Aug
27 °C
28 °C
5 km/h
220 mm
0 cm
Sep
27 °C
28 °C
5 km/h
227 mm
0 cm
Oct
26 °C
28 °C
5 km/h
282 mm
0 cm
Nov
27 °C
28 °C
7 km/h
219 mm
0 cm
Dec
27 °C
28 °C
9 km/h
71 mm
0 cm
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