Kwajalein Weather in January
In Kwajalein, January brings high daytime temperatures around 29°C (84°F), with nights cooling to 26°C (79°F). Expect quite a bit of rainfall this month.
Rainfall in Kwajalein in January
Expect around 21 days of rain based on historical data, with 123 mm (4.8 in) average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Kwajalein in January
Expect highs of 29°C (84°F) in Kwajalein in January, with nights dropping to around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Wind Speed in Kwajalein in January
Average wind conditions reach 7 m/s (14 knots) in January. This indicates a windy month with strong breezes dominating the weather pattern. Remember this is an average: while most days are notably windy, some calmer periods occur alongside more stormy conditions.
Average water temperature in January
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Kwajalein.
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 January
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F)
Chance of Rain
70%
Precipitation
123 mm (4.8 in)
Rainy days
21 days
Humidity
77%
Windspeed
7 m/s (14 knots)
Daily Historical Temperatures
48-year average (1976-2026)
Based on our historical records, temperatures in Kwajalein typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in January
Daily Historical Precipitation
48-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Kwajalein in January
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 January
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Kwajalein.
- The hottest January day on record in Kwajalein reached 32°C (90°F) (January 18, 2020).
- Kwajalein experienced its chilliest January day on January 26, 2009, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 21°C (70°F) on January 28, 2022, marking the coldest January night on record.
Best Places in Marshall Islands in January
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 January →
perfect weather
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tolerable
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What to Wear in Kwajalein in January
Warm but pleasant conditions in Kwajalein in January. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes.What To Do in Kwajalein in January
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.
