August · Marshall Islands
Best time to visit Bikini Atoll in August Weather, crowds & prices
Weather in Bikini Atoll in August
Average temperature 28°C, 161 mm of rain, about 30 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
4.4/10
Ranked #10 of 12 months
- Avg temp
- 28°C
- Rainfall
- 161 mm
- Humidity
- 79%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Bikini Atoll scores 4.4/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 28°C, 161 mm of rain, and roughly 30 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.
August in Bikini Atoll — off-season conditions
Days in August average 28°C (82°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
161 mm of rain makes this a wet month here, though with about 30 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.4/10 on the same scale — 10th 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, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, February is materially better in Bikini Atoll — 3.1 points higher on the same scale.
Frequently asked
- What is the weather like in Bikini Atoll in August?
- In August, Bikini Atoll averages 28°C, 161 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 4.4/10.
- Is August a good time to visit Bikini Atoll?
- August earns a 4.4/10 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 August?
- Expect about 161 mm of rain in August. Average humidity is 79% and there are about 30 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.