Bacalar (Laguna Bacalar) weather in August

August in Bacalar: sweltering, rainy, with clean air — a gamble, with 23 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Bacalar🇲🇽 Mexico · Yucatán & Belize · City59
  1. 79Jan
  2. 80Feb
  3. 76Mar
  4. 72Apr
  5. 66May
  6. 53Jun
  7. 63Jul
  8. 59Aug
  9. 57Sep
  10. 61Oct
  11. 71Nov
  12. 77Dec

#10 of 12 months in Bacalar · #1095 of 1413 destinations to visit in August · comfort 59/100 (tier D)

Days
33°C
Nights
25°C
Wet days
23
Sun
11 h
Humidity
83%
Daylight
13 h
Bacalar, Mexico
Photo: Carlos Bedoy · Pexels

Traveller notes on Bacalar in August

Notes from nearby Belize City (133 km away)

Bacalar doesn't have its own notes for August yet — these are about Belize City, close enough to share the season.

Forum posters cite typical August daily highs around 31C (88-90F) with overnight lows near 24C, and describe rain this time of year as most often falling overnight, leaving days sunny and clear more often than not - it seldom rains every day or all day unless a tropical low pressure system moves through. Posters specifically flag mid-August as home to Belize's well-known 'little dry season,' roughly a two-week stretch of notably reduced rainfall within the broader wet season. Posters are consistent that hurricane risk in August itself is low, citing historical records showing only a handful of hurricanes have affected Belize before September in the past century. Posters generally rate August as hot, humid and typically sunny by day for Belize City, with rain concentrated overnight and hurricane risk still modest this early in the season.
Tripadvisor community · August · 1 month ago · about Belize City · Read more on Tripadvisor ↗

Other months in Bacalar

Yucatán coast forum threads describe July as hot and humid with daytime highs around 33C, right around when the 'canícula' - the year's hottest, driest stretch - typically begins in mid-month. It's technically wet season, but posters were consistent that forecasts predicting daily storms don't match reality; when rain does show up it's usually overnight or a brief afternoon shower rather than an all-day event. Hurricane risk in July specifically stays low, picking up more in the following months.
LagoonOfSevenColorsRegular · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters place January inside the more pleasant November-April stretch here - less humid and hot than summer, and correspondingly fewer mosquitoes around the famous Lagoon of Seven Colors. Days are typically sunny and warm, with pleasantly cool nights, though posters note a passing cold front can occasionally bring a properly chilly night and grey, drizzly skies - February sees this more often than January, but it's not ruled out either month. Hurricane risk, a real consideration in the surrounding region from June through November, is essentially off the table by January, one more reason posters favor this month for lagoon swimming and boat trips.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Bacalar's card on the map.

Bacalar climate normals — August

Daytime high33°C / 92°F🔥 sweltering
Nighttime low25°C / 78°F
Feels like (high)39°C / 102°F
Sea temperature31°C / 89°F♨️ bath-warm
Rainfall141 mm / 5.6 in🌧 rainy
Rainy days23 days
Humidity83%💦 very humid
Dew point25°C / 76°F
Sunshine11 h/day
Daylight12.7 h
Wind13 km/h / 8 mph
Air quality (US AQI)40🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Bacalar in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyFeria de San Joaquín, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Bacalar's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherBacalar's weather peaks December–February.

August coincides with Atlantic hurricane season.

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Best weatherFair weatherToughest weather

What's on in Bacalar in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Atlantic hurricane season

    1 Jun – 30 Nov

    Southern Quintana Roo sits on the western Caribbean track and September is the busiest fortnight of it. Inland on the lagoon you get the rain and the wind rather than the surge, but the road to Chetumal floods. Source ↗

  • Festival

    Feria de San Joaquín

    13–18 AugReligious feastCrowded

    The patron-saint fair: processions, a livestock and craft expo, and boat and jet-ski races out on the lagoon. Rooms in the centre go to families from Chetumal, and the nights run late. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Bacalar — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Bacalar?

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Bacalar in August — FAQ

Is August a good time to visit Bacalar?
August in Bacalar: sweltering, rainy, with clean air — a gamble, with 23 rainy days. It ranks #10 of 12 months for Bacalar on SeasonMap's comfort score (59/100).
What is the weather like in Bacalar in August?
In August, Bacalar averages a daily high of 33.4°C and a low of 25.4°C, with about 141.4 mm of rain over roughly 22.9 rainy days.
What is the air quality in Bacalar in August?
Bacalar has a mean US Air Quality Index of about 40 in August.

Within 300 km: Caye Caulker's Lobster season opens on 15 Jun – 14 Feb, and Tulum's Sea turtle nesting on 1 May – 31 Oct.