Monterrey Weather in July
What's the weather like in Monterrey (Casanare) in July 2025?
The climate in Monterrey during July can be summarized as warm, humid and very wet.
July is in the summer in Monterrey and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 26.4°C 79.5°F |
|---|---|
| Nightly temperature | 18°C 64.4°F |
| Average temperature | 22.2°C 72°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 597 mm 23.5 ins |
| Rainy days | 24 days |
| Sea temperature | 27.1°C 80.9°F |
| Humidity | 84% |
| Windspeed | 11.2kph 7 mph |
On average July is the 2nd wettest month of the year in Monterrey with around 597mm 23.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
July temperatures in Monterrey
July rainfall
July hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Monterrey in July 2025.
Other monthly averages
Monterrey weather stats
| Hottest month: | February | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | January | 41mm 1.6ins |
| Sunniest month: | January | 7hrs |
| Coldest month: | July | 26.2°C 79.2°F |
| Wettest month: | June | 605mm 23.8ins |
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