January in Bikini Atoll — reliably good (2nd best month)
Good · 7.4/10January 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.
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.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
February in Bikini Atoll — the year's strongest window
Best window · 7.5/10February averages 27°C (80°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 23 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 11.8 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Bikini Atoll at 7.5/10 — the reference point every other month on this page is measured against.
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.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March holds up well in Bikini Atoll — 3rd best month
Good · 7/10Days in March average 27°C (80°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 47 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 12.1 hours of daylight to work around it.
That is 7/10 on the same scale — 3rd of 12 months, versus 7.5/10 for the best month here.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
April in Bikini Atoll: mixed conditions, plan around the weather
Trade-offs · 6.6/10April averages 27°C (81°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 60 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 12.4 hours of daylight.
It scores 6.6/10 here, 5th of 12 months, against 7.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
May in Bikini Atoll — workable with trade-offs
Trade-offs · 6/10Days in May 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.
Budget for roughly 74 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 12.7 hours of daylight to work around it.
That is 6/10 on the same scale — 6th of 12 months, versus 7.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
If your dates are flexible, February is materially better in Bikini Atoll — 1.5 points higher on the same scale.
June in Bikini Atoll — middling scores, decent value
Trade-offs · 5.6/10June averages 28°C (82°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 93 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 12.8 hours of daylight.
It scores 5.6/10 here, 7th of 12 months, against 7.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Flexible dates? February scores 1.9 points higher here — enough to change the trip.
July in Bikini Atoll: expect compromises
Hardest · 4.5/10July averages 28°C (82°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 148 mm — wet for this destination — but about 30 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.5/10 here, 9th of 12 months, against 7.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? February scores 3 points higher here — enough to change the trip.
August in Bikini Atoll — off-season conditions
Hardest · 4.4/10Days 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.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Bikini Atoll — 3.1 points higher on the same scale.
September in Bikini Atoll — the hardest end of the year
Hardest · 4.2/10Days in September 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.
176 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.2/10 on the same scale — 11th of 12 months, versus 7.5/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Bikini Atoll — 3.3 points higher on the same scale.
October in Bikini Atoll — off-season conditions
Hardest · 3.7/10October averages 28°C (82°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
248 mm makes this the wettest stretch of the year, though about 28 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.7/10 here, 12th of 12 months, against 7.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? February scores 3.8 points higher here — enough to change the trip.
November in Bikini Atoll — off-season conditions
Hardest · 4.8/10November averages 28°C (82°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 127 mm — wet for this destination — but about 29 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.8/10 here, 8th of 12 months, against 7.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? February scores 2.7 points higher here — enough to change the trip.
December in Bikini Atoll — middling scores, decent value
Trade-offs · 6.9/10Days 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.
Expect peak pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
