How warm is it in Cancún in October?

Daytime highs averaged 29.6 °C, night-time lows 26.1 °C. The highest value of the past 10 years was 32.5 °C (15 Oct 2023), the lowest 21.4 °C (30 Oct 2017).

How often does it rain in Cancún in October?

On average there were 22.3 rain days (at least 1 mm) with 202 mm of precipitation in total.

🇲🇽 Weather in Cancún in October

This is what the weather in Cancún (Mexico) was like in October in 2016–2025.

Key facts at a glance

Prevailing weather: Light rain

Avg. daytime high

29.6 °C

28.2 °C – 30.8 °C

Avg. night-time low

26.1 °C

25.4 °C – 26.8 °C

Avg. rain days in period

22.3

72 % of days · ≥ 1.0 mm

Avg. precipitation in period

202 mm

54.3 mm – 541 mm

Avg. cloud cover

63 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 32.5 °C (15 Oct 2023) · Lowest temperature 21.4 °C (30 Oct 2017) · Avg. daily peak wind 13 km/h

Weather mix of all days

28Sunny
38Partly cloudy
21Cloudy
117Light rain
106Rain

Summary

On average 29.6 °C during the day and 26.1 °C at night.
On average 22.3 rain days (Rain day = at least 1.0 mm of precipitation) with 202 mm of precipitation in total.
Prevailing: Light rain.
Warmest year: 2021 (avg. 30.8 °C), coolest: 2017 (avg. 28.2 °C).
Wettest year: 2020 (541 mm), driest: 2022 (54.3 mm).
Extremes: 32.5 °C on 15 Oct 2023 and 21.4 °C on 30 Oct 2017.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2025
Avg. max29.4°Avg. min26.1°
Rain days
23 Rain days
Precipitation
168 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 31.0 °C · Min 22.7 °C
2024
Avg. max28.9°Avg. min26.2°
Rain days
28 Rain days
Precipitation
355 mm
Avg. cloud cover
82 % cloudy
Sea temperature
–
Max 30.1 °C · Min 24.9 °C
2023
Avg. max30.3°Avg. min26.5°
Rain days
20 Rain days
Precipitation
122 mm
Avg. cloud cover
56 % cloudy
Sea temperature
–
Max 32.5 °C · Min 23.9 °C
2022
Avg. max30.0°Avg. min25.4°
Rain days
13 Rain days
Precipitation
54.3 mm
Avg. cloud cover
50 % cloudy
Sea temperature
–
Max 31.3 °C · Min 22.5 °C
2021
Avg. max30.8°Avg. min26.3°
Rain days
24 Rain days
Precipitation
101 mm
Avg. cloud cover
62 % cloudy
Sea temperature
–
Max 31.6 °C · Min 22.0 °C
2020
Avg. max28.8°Avg. min26.4°
Rain days
30 Rain days
Precipitation
541 mm
Avg. cloud cover
69 % cloudy
Sea temperature
–
Max 29.9 °C · Min 24.8 °C
2019
Avg. max29.8°Avg. min26.8°
Rain days
25 Rain days
Precipitation
181 mm
Avg. cloud cover
70 % cloudy
Sea temperature
–
Max 31.1 °C · Min 25.8 °C
2018
Avg. max29.6°Avg. min26.1°
Rain days
18 Rain days
Precipitation
111 mm
Avg. cloud cover
52 % cloudy
Sea temperature
–
Max 30.5 °C · Min 24.5 °C
2017
Avg. max28.2°Avg. min25.4°
Rain days
24 Rain days
Precipitation
293 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 29.8 °C · Min 21.4 °C
2016
Avg. max29.9°Avg. min25.7°
Rain days
18 Rain days
Precipitation
91.9 mm
Avg. cloud cover
51 % cloudy
Sea temperature
–
Max 31.3 °C · Min 24.2 °C

Frequently asked questions

How warm is it in Cancún in October?: Daytime highs averaged 29.6 °C, night-time lows 26.1 °C. The highest value of the past 10 years was 32.5 °C (15 Oct 2023), the lowest 21.4 °C (30 Oct 2017).
How often does it rain in Cancún in October?: On average there were 22.3 rain days (at least 1 mm) with 202 mm of precipitation in total.

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)