Mexicali weather in July
In July, Mexicali has daytime highs averaging 43 °C, nights around 28 °C, with 1.5 wet days. Figures are 1991–2020 climate normals.
- 42.7°C Average high
- 27.6°C Average low
- 1.5days Wet days
- 5mm Rainfall
- 14h Daylight
Daily temperatures through July
How July 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 July | 42.6 °C | 26.6 °C | 4 % |
| 11–20 July | 42.8 °C | 27.7 °C | 4 % |
| 21–31 July | 42.6 °C | 28.3 °C | 6 % |
What to expect
| Measure | Typical July | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 31 of 31 | 100 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 1.5 of 31 | 5 % |
Conditions in July
| Measure | Average |
|---|---|
| Mean temperature | 35 °C |
| Record high (1991–2020) | 49 °C |
| Record low (1991–2020) | 19 °C |
| Relative humidity | 30 % |
| Wind speed | 15 km/h |
| Cloud cover | 20 % |
Where Mexicali ranks in July
| Ranking | Position | Value |
|---|---|---|
| The warmest places in North America in July | 1st of 50 | 43 °C |
| The warmest places in the world in July | 27th of 50 | 43 °C |
| The driest places in North America in July | 34th of 50 | 4.9 mm |
July compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| May | 35.7 °C | 1 mm | 16 % |
| June | 40.6 °C | under 1 mm | 10 % |
| July | 42.7 °C | 5 mm | 20 % |
| August | 42.2 °C | 9 mm | 17 % |
| September | 39.0 °C | 9 mm | 12 % |
See all twelve months for Mexicali
- July is the warmest month in Mexicali.
- It is the 5th driest month of the year.
- It ranks 6th for least cloud cover.
- Days last about 14 hours from sunrise to sunset.
- It rains on 1.5 of 31 days — 5 % of the month.
- Nights are about 15 °C cooler than the middle of the day.
- The hottest July day on record since 1991 reached 49 °C, 6.4 °C above the usual daytime high.
QuestionsJuly in Mexicali, answered
How warm is Mexicali in July?
Daily highs average 43 °C and nights fall to about 28 °C, a spread of 15 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.
Does it rain much in Mexicali in July?
July averages 5 mm of rain, spread over about 1 of the 31 days — 5 % of the month. Cloud cover averages 20 % of the sky.
How long are the days in July?
Mexicali averages 14 hours between sunrise and sunset in July. 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
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- 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.