Kwajalein Weather in August
With daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F), August in Kwajalein brings high temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Kwajalein in August
Kwajalein is in the rainy season in August, with rain on around 21 days and an average of 290 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Kwajalein in August
Daytime temperatures in Kwajalein reach 29°C (84°F) in August, dropping to 26°C (79°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Wind Speed in Kwajalein in August
In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in August
With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.August in Kwajalein has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Marshall Islands, check out our Kwajalein's climate page.
Kwajalein Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
29°C (84°F)
Chance of Rain
68%
Precipitation
290 mm (11 in)
Rainy days
21 days
Humidity
81%
Windspeed
4 m/s (8 knots)
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Kwajalein typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Kwajalein in August
Browse day-by-day weather records for Kwajalein spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kwajalein historical weather extremes in August
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Kwajalein.
- Kwajalein recorded its highest August temperature of 32°C (90°F) on August 7, 2020.
- On August 6, 2009, Kwajalein saw its coldest August day with temperatures maxing out at 27°C (81°F).
- The lowest overnight temperature recorded in August was 24°C (75°F) (August 14, 2015).
- The wettest August day on record brought 82 mm (3.2 in) of precipitation to Kwajalein (August 25, 2018).
Best Places in Marshall Islands in August
Find out more about the weather in Marshall Islands and which places have the best travel conditions in this month. See all of Marshall Islands in August →
perfect weather
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What to Wear in Kwajalein in August
Warm but pleasant conditions in Kwajalein in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes.What To Do in Kwajalein in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Marshall Islands, check out our Kwajalein's climate page.
Temperature Rainfall Humidity Wind Speed Water Temp
See the full Kwajalein climate overview or explore weather in Marshall Islands.
