Climate guide for Bikini Atoll, Marshall Islands

Bikini Atoll in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Marshall Islands

Best time to visit Bikini Atoll in January Weather, crowds & prices

Weather in Bikini Atoll in January

Average temperature 27°C, 24 mm of rain, about 31 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

7.4/10

Ranked #2 of 12 months

Full year for Bikini Atoll
Avg temp
27°C
Rainfall
24 mm
Humidity
75%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

January in Bikini Atoll scores 7.4/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 27°C, 24 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Bikini Atoll is a UNESCO-listed Marshall Islands site shaped by nuclear-test history, displaced communities, coral lagoons, and highly specialized organized diving access.

January in Bikini Atoll — reliably good (2nd best month)

January averages 27°C (81°F) and humidity near 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 24 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 11.5 daylight hours.

It scores 7.4/10 here, 2nd of 12 months, against 7.5/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Bikini Atoll in January?
In January, Bikini Atoll averages 27°C, 24 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
Is January a good time to visit Bikini Atoll?
January earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Bikini Atoll in January?
Expect about 24 mm of rain in January. Average humidity is 75% and there are about 31 days with 6+ hours of sunshine.

Curated in Bikini Atoll

Tickets & experiences

Things to do in Bikini Atoll

Bikini Atoll, Marshall Islands. Live activities and tours from GetYourGuide, matched to this destination.