Kwajalein
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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.

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)

Kwajalein Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kwajalein - and find the best time to visit.

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 records 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Kwajalein 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

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