Mexicali weather in October

In October, Mexicali has daytime highs averaging 33 °C, nights around 18 °C, with 0.6 wet days. Figures are 1991–2020 climate normals.

  1. Jan 15°
  2. Feb 17°
  3. Mar 20°
  4. Apr 23°
  5. May 27°
  6. Jun 32°
  7. Jul 35°
  8. Aug 35°
  9. Sep 32°
  10. Oct 25°
  11. Nov 19°
  12. Dec 14°

Daily temperatures through October

13° 26° 39° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 36.7 °C and lows bottom out at 15.2 °C.

How October develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 October 35.0 °C 20.1 °C 2 %
11–20 October 33.2 °C 18.7 °C 2 %
21–31 October 30.4 °C 16.7 °C 2 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 2, at 7 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 29 of 31 95 %
Days above 30 °C 24 of 31 77 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 0.6 of 31 2 %

Conditions in October

MeasureAverage
Mean temperature 25 °C
Record high (1991–2020) 43 °C
Record low (1991–2020) 6.7 °C
Relative humidity 32 %
Wind speed 13 km/h
Cloud cover 15 %

Where Mexicali ranks in October

Ranking Position Value
The driest places in North America in October 2nd of 50 5.4 mm
The warmest places in North America in October 5th of 50 33 °C

October compared with the months around it

Month Avg high Rainfall Cloud
August 42.2 °C 9 mm 17 %
September 39.0 °C 9 mm 12 %
October 32.7 °C 5 mm 15 %
November 25.6 °C 4 mm 24 %
December 20.3 °C 9 mm 32 %

See all twelve months for Mexicali

QuestionsOctober in Mexicali, answered

How warm is Mexicali in October?

Daily highs average 33 °C and nights fall to about 18 °C, a spread of 14 °C between afternoon and dawn. That makes October the 6th warmest month of the year here.

Does it rain much in Mexicali in October?

October averages 5 mm of rain, spread over about 1 of the 31 days — 2 % of the month. Cloud cover averages 15 % of the sky.

How long are the days in October?

Mexicali averages 11 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.