North America › Mexico › Monterrey
30-year normals (1991-2020)
Monterrey has a semi-arid steppe climate, classified as BSh in the Köppen system. The warmest month is July with an average high of 33°C, while the coldest month is January with lows dropping to 10°C. The annual temperature range of 23°C reflects moderate seasonal variation.
The driest month is August with only 5 rain days and 32mm of precipitation. For travellers, August through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 70% to 70% throughout the year.
Based on temperature and rainfall data, the best months to visit Monterrey are January, February, March. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
33°C
July
Coldest Month
10°C
January
Driest Month
5 days
August
Annual Range
23°C
10° to 33°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 20°C | 10°C | 7 | 9h | View |
| February | 23°C | 12°C | 6 | 9h | View |
| March | 26°C | 14°C | 7 | 10h | View |
| April | 29°C | 17°C | 7 | 11h | View |
| May | 31°C | 20°C | 8 | 12h | View |
| June | 32°C | 22°C | 6 | 12h | View |
| July | 33°C | 22°C | 5 | 12h | View |
| August | 33°C | 23°C | 5 | 12h | View |
| September | 29°C | 21°C | 11 | 10h | View |
| October | 27°C | 18°C | 7 | 10h | View |
| November | 23°C | 14°C | 6 | 9h | View |
| December | 20°C | 11°C | 6 | 9h | View |
January
7 rain days, 9h sun
February
6 rain days, 9h sun
March
7 rain days, 10h sun
April
7 rain days, 11h sun
May
8 rain days, 12h sun
June
6 rain days, 12h sun
July
5 rain days, 12h sun
August
5 rain days, 12h sun
September
11 rain days, 10h sun
October
7 rain days, 10h sun
November
6 rain days, 9h sun
December
6 rain days, 9h sun
Monterrey in July
Data Sources for Monterrey
Climate normals represent 30-year averages (1991-2020). Individual years may vary.