Monterrey weather in 2025
Monterrey weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
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Use the graph view to inspect 2025 alongside other available years for Monterrey.
Year summary
In 2025, Monterrey averaged 29.0 C for daily highs and 16.7 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was +0.4 C from that baseline, and total precipitation was -133.5 mm from the baseline total.
The warmest month was August, with an average high of 34.9 C, while January had the lowest average low at 6.4 C.
The wettest month was September, totaling 111.7 mm. The hottest day reached 43.0 C on May 15, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 6.4 | 16.5 | 12.7 | 31 |
| February | 10.6 | 24.7 | 12.7 | 28 |
| March | 14.2 | 30.2 | 17.6 | 31 |
| April | 17.3 | 32.8 | 9.8 | 30 |
| May | 20.6 | 33.1 | 91.2 | 31 |
| June | 21.8 | 33.4 | 20.1 | 30 |
| July | 21.7 | 32.9 | 48.5 | 31 |
| August | 22.8 | 34.9 | 55.1 | 31 |
| September | 20.7 | 30.3 | 111.7 | 30 |
| October | 18.1 | 28.8 | 30.1 | 31 |
| November | 14.6 | 27.0 | 25.2 | 30 |
| December | 10.6 | 22.6 | 18.8 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | May 15, 2025 | 43.0 C |
| Coldest night | January 22, 2025 | -2.8 C |
| Wettest day | May 21, 2025 | 23.5 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.