January holds up well in Ambergris Caye — 5th best month
Good · 7.7/10January averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 99 mm, so plan one flexible day in three; you still get about 18 days with 6+ hours of sunshine and 11 hours of daylight.
It scores 7.7/10 here, 5th of 12 months, against 9.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Flexible dates? April scores 2 points higher here — enough to change the trip.
February ranks 3rd of 12 for Ambergris Caye — one of the best windows
Best window · 8.9/10February averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 21 days with 6+ hours of sunshine and 11.4 hours of daylight.
A 8.9/10 puts this among the year's best months in Ambergris Caye (3rd of 12); only April scores higher, at 9.7/10.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
March in Ambergris Caye — one of the year's strongest windows (2nd)
Best window · 9.2/10Days in March average 27°C (81°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Ambergris Caye at 9.2/10 (2nd of 12), just behind April at 9.7/10.
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: the best month of the year in Ambergris Caye
Best window · 9.7/10April averages 28°C (83°F) and humidity near 74%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 12.4 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Ambergris Caye at 9.7/10 — the reference point every other month on this page is measured against.
Plan for 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.
May is one of the strongest months in Ambergris Caye (4th)
Best window · 8.9/10Days in May average 29°C (84°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 73 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Ambergris Caye at 8.9/10 (4th of 12), just behind April at 9.7/10.
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.
June in Ambergris Caye — reliably good (7th best month)
Good · 7/10June averages 29°C (84°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
275 mm makes this the wettest stretch of the year, though about 27 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 7/10 here, 7th of 12 months, against 9.7/10 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? April scores 2.7 points higher here — enough to change the trip.
July in Ambergris Caye — workable with trade-offs
Trade-offs · 6.9/10July averages 28°C (83°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
261 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 6.9/10 here, 9th of 12 months, against 9.7/10 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? April scores 2.8 points higher here — enough to change the trip.
August in Ambergris Caye — reliably good (8th best month)
Good · 7/10Days in August average 28°C (83°F) and humidity near 87% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 238 mm, but with about 28 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 7/10 on the same scale — 8th of 12 months, versus 9.7/10 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, April is materially better in Ambergris Caye — 2.7 points higher on the same scale.
September in Ambergris Caye — reliably good (6th best month)
Good · 7.1/10Days in September average 28°C (83°F) and humidity near 86% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
199 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.1/10 on the same scale — 6th of 12 months, versus 9.7/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
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, April is materially better in Ambergris Caye — 2.6 points higher on the same scale.
October in Ambergris Caye — workable with trade-offs
Trade-offs · 6.5/10October averages 28°C (82°F) and humidity near 86%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
243 mm of rain puts this in monsoon territory — about 19 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 6.5/10 here, 10th of 12 months, against 9.7/10 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? April scores 3.2 points higher here — enough to change the trip.
November in Ambergris Caye — workable with trade-offs
Trade-offs · 5.7/10November averages 27°C (80°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
276 mm of rain puts this in monsoon territory — about 14 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.7/10 here, 12th of 12 months, against 9.7/10 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? April scores 4 points higher here — enough to change the trip.
December in Ambergris Caye — middling scores, decent value
Trade-offs · 6.3/10With 25°C (78°F) on average, December delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
125 mm of rain signals a properly wet month, with only about 11 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.3/10 on the same scale — 11th of 12 months, versus 9.7/10 for the best month here.
Expect mid-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Ambergris Caye — 3.4 points higher on the same scale.
