Bacalar (Laguna Bacalar) weather in October

October in Bacalar: sweltering, rainy, with clean air — a gamble, with 21 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Bacalar🇲🇽 Mexico · Yucatán & Belize · City61
  1. 79Jan
  2. 80Feb
  3. 76Mar
  4. 72Apr
  5. 66May
  6. 53Jun
  7. 63Jul
  8. 59Aug
  9. 57Sep
  10. 61Oct
  11. 71Nov
  12. 77Dec

#9 of 12 months in Bacalar · #1123 of 1413 destinations to visit in October · comfort 61/100 (tier C)

Days
32°C
Nights
24°C
Wet days
21
Sun
9.5 h
Humidity
85%
Daylight
12 h
Bacalar, Mexico
Photo: Carlos Bedoy · Pexels

Traveller notes on Bacalar in October

Notes from nearby San Pedro (96 km away)

Bacalar doesn't have its own notes for October yet — these are about San Pedro, close enough to share the season.

San Pedro's forum says October weather can be genuinely nice, with wind being the bigger day-to-day factor than rain itself - a typical day still runs sunny, hot and humid. When rain does show up it's usually overnight or a brief afternoon shower, rarely an all-day downpour, and posters were consistent it rarely derails plans. October is technically the tail end of hurricane season, but actual hurricanes hit only about once every five years on average, and several locals specifically recommended the month for the slow-season deals and quieter island.
AmbergrisCayeRegular · October · 1 month ago · about San Pedro · 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 — October

Daytime high32°C / 90°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)38°C / 100°F
Sea temperature31°C / 88°F♨️ bath-warm
Rainfall148 mm / 5.8 in🌧 rainy
Rainy days21 days
Humidity85%💦 very humid
Dew point24°C / 75°F
Sunshine9.5 h/day
Daylight11.7 h
Wind11 km/h / 7 mph
Air quality (US AQI)25🍃 good

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

Crowds in Bacalar in October

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.

Shoulder seasonan ordinary month(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).

Fair weatherBacalar's weather peaks December–February.

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Best weatherFair weatherToughest weather

What's on in Bacalar in October

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 ↗

What's on around the world in October →

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 October — FAQ

Is October a good time to visit Bacalar?
October in Bacalar: sweltering, rainy, with clean air — a gamble, with 21 rainy days. It ranks #9 of 12 months for Bacalar on SeasonMap's comfort score (61/100).
What is the weather like in Bacalar in October?
In October, Bacalar averages a daily high of 32.3°C and a low of 23.7°C, with about 147.6 mm of rain over roughly 20.9 rainy days.
What is the air quality in Bacalar in October?
Bacalar has a mean US Air Quality Index of about 25 in October.

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.