December · Marshall Islands
Best time to visit Bikini Atoll in December Weather, crowds & prices
Weather in Bikini Atoll in December
Average temperature 28°C, 37 mm of rain, about 31 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.9/10
Ranked #4 of 12 months
- Avg temp
- 28°C
- Rainfall
- 37 mm
- Humidity
- 76%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Bikini Atoll scores 6.9/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 28°C, 37 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.
December in Bikini Atoll — middling scores, decent value
Days in December average 28°C (82°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 37 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 11.5 hours of daylight fill the rest.
That is 6.9/10 on the same scale — 4th of 12 months, versus 7.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Expect peak pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Bikini Atoll in December?
- In December, Bikini Atoll averages 28°C, 37 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 6.9/10.
- Is December a good time to visit Bikini Atoll?
- December earns a 6.9/10 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 December?
- Expect about 37 mm of rain in December. Average humidity is 76% 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.