Climate guide for ATM Cave, Belize

Best Time to Visit
ATM Cave

How to read the score (0–10)
05810
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01 · Belize

About ATM Cave

ATM Cave is a Maya underworld of pottery and crystalized remains-guided river wades into sacred chambers. In Belize, the drier months outside peak monsoon usually delivers the most reliable conditions for sightseeing travel - then use monthly climate scores to fine-tune around crowds, storms, or snow depth.

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Did you know?

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Travel Tips

01Best time & timing
February leads the year at 7.5/10, with April and January close behind — June (3.7/10) is the one to avoid without a specific reason.
02Weather & what to pack
In February plan for about 22°C; the month brings 77 mm of rain. Pack light clothing, a hat and real sun protection.
03Budget timing
If budget matters most, January is the cheapest month (5.3/10) — expect weather trade-offs.

Things to do in ATM Cave

ATM Cave, Belize. Live activities and tours from GetYourGuide, matched to this destination.

When to visit ATM Cave: the short answer

Plan ATM Cave for February, with April, January close behind — the stretch with the most usable temperatures and the fewest lost days to rain: February averages 22°C with 77 mm of rain and about 18 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are June, November.

Across the year ATM Cave swings from 22°C in December to 27°C in May, a 5-degree spread, while rainfall ranges from 52 mm in April to 441 mm in November. In short, ATM Cave is not equally good year-round — the gap between its best and worst month is 3.8 points on the same 10-point scale.

Warmest month: May (27°C). Coolest: December (22°C). Driest: April (52 mm). Wettest: November (441 mm).

ATM Cave month by month

January in ATM Cave — middling scores, decent value

Trade-offs · 5.3/10

At 22°C (72°F) this is comfortable city weather in January, with sightseeing easiest before lunch and after the afternoon peak.

166 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 5.3/10 on the same scale — 3rd of 12 months, versus 7.5/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, February is materially better in ATM Cave — 2.2 points higher on the same scale.

February: the best month of the year in ATM Cave

Best window · 7.5/10

At 22°C (72°F) this is comfortable city weather in February, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 77 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 11.4 hours of daylight to work around it.

On our climate-comfort scale this is the top-ranked month of the year for ATM Cave at 7.5/10 — the reference point every other month on this page is measured against.

Budget for peak pricing, and 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 light clothing, a hat and real sun protection, a packable rain layer.

March in ATM Cave — off-season conditions

Hardest · 4.9/10

March averages 25°C (76°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Monthly rainfall reaches 185 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 4.9/10 here, 4th 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. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Flexible dates? February scores 2.6 points higher here — enough to change the trip.

April in ATM Cave — reliably good (2nd best month)

Good · 7.5/10

At 26°C (78°F) this is comfortable city weather in April, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 52 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 12.4 hours of daylight to work around it.

That is 7.5/10 on the same scale — 2nd of 12 months, versus 7.5/10 for the best month here.

Budget for peak pricing, and 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 light clothing, a hat and real sun protection, a packable rain layer.

May in ATM Cave: expect compromises

Hardest · 4.3/10

May averages 27°C (81°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 169 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 4.3/10 here, 6th 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. 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.

Flexible dates? February scores 3.2 points higher here — enough to change the trip.

June in ATM Cave: expect compromises

Hardest · 3.7/10

Days in June average 26°C (80°F) and humidity near 84% — 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 304 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.

That is 3.7/10 on the same scale — 12th 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 ATM Cave — 3.8 points higher on the same scale.

July in ATM Cave — off-season conditions

Hardest · 3.9/10

At 25°C (77°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.

This is the year's wettest stretch at 286 mm, but with about 21 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.

That is 3.9/10 on the same scale — 7th of 12 months, versus 7.5/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, February is materially better in ATM Cave — 3.6 points higher on the same scale.

August in ATM Cave: expect compromises

Hardest · 3.9/10

August averages 25°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

312 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 3.9/10 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 light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Flexible dates? February scores 3.6 points higher here — enough to change the trip.

September in ATM Cave — off-season conditions

Hardest · 3.9/10

September averages 25°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

234 mm makes this the wettest stretch of the year, though about 21 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 3.9/10 here, 9th 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 light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Flexible dates? February scores 3.6 points higher here — enough to change the trip.

October in ATM Cave: expect compromises

Hardest · 3.9/10

At 25°C (76°F) this is comfortable city weather in October, with sightseeing easiest before lunch and after the afternoon peak.

Expect monsoon-level rainfall at 322 mm: only about 18 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 3.9/10 on the same scale — 10th of 12 months, versus 7.5/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, February is materially better in ATM Cave — 3.6 points higher on the same scale.

November in ATM Cave — the hardest end of the year

Hardest · 3.9/10

At 24°C (74°F) this is comfortable city weather in November, with sightseeing easiest before lunch and after the afternoon peak.

Expect monsoon-level rainfall at 441 mm: only about 13 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 3.9/10 on the same scale — 11th of 12 months, versus 7.5/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, February is materially better in ATM Cave — 3.6 points higher on the same scale.

December in ATM Cave — the hardest end of the year

Hardest · 4.4/10

December averages 22°C (72°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

226 mm of rain puts this in monsoon territory — about 10 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 4.4/10 here, 5th of 12 months, against 7.5/10 in the destination's best month.

Plan for mid-season pricing, with crowds are light for this destination.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.

Flexible dates? February scores 3.1 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit ATM Cave, Belize?
In Ideal Weather mode, the best months to visit ATM Cave are February, April. February is the single peak month with an Ideal Weather score of 7.5/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in ATM Cave year-round?
ATM Cave has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 22°C in December to 27°C in May, with Ideal Weather scores between 3.7 and 7.5 out of 10.
Which months should I avoid in ATM Cave?
The lowest Ideal Weather-scoring months in ATM Cave are June (3.7/10), July (3.9/10), August (3.9/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in ATM Cave?
November is the wettest month in ATM Cave, averaging about 441 mm of rainfall. April is the driest, at roughly 52 mm.
Which is the sunniest month in ATM Cave?
March sees the most sun in ATM Cave, with about 27 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is ATM Cave a good destination for sightseeing and cultural travel?
ATM Cave is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (February, April) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for ATM Cave calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for ATM Cave: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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Explore by month

Curated in ATM Cave

Tickets & experiences