Monterrey, Nuevo León Weather by Month and Climate Averages

How much rain does Monterrey get?

Monterrey gets 418 mm of precipitation in an average year, spread over about 46 days with measurable rain. That is fewer rainy days than 70% of Mexico.

September is the wettest month, with 120 mm. February is the driest, with 10 mm. September has the most rainy days, about 6.

The longest dry spell in the last five years lasted 20 days, to March 8, 2024.

Monterrey weather by month

Monterrey weather in January

In January, Monterrey averages a high of 23°C and a low of 9°C. It gets 12 mm of precipitation over about 3 rainy days. The sun is out about 57% of daylight hours. The January record high is 36°C (2017) and the record low is -2°C (1979). January is one of the most comfortable months to visit.

Monterrey weather in February

In February, Monterrey averages a high of 26°C and a low of 12°C. It gets 10 mm of precipitation over about 3 rainy days. The sun is out about 60% of daylight hours. The February record high is 41°C (2009) and the record low is -4°C (1985). February is one of the most comfortable months to visit.

Monterrey weather in March

In March, Monterrey averages a high of 28°C and a low of 15°C. It gets 15 mm of precipitation over about 3 rainy days. The sun is out about 58% of daylight hours. The March record high is 42°C (1991) and the record low is 0°C (1980).

Monterrey weather in April

In April, Monterrey averages a high of 32°C and a low of 18°C. It gets 19 mm of precipitation over about 4 rainy days. The sun is out about 50% of daylight hours. The April record high is 44°C (1999) and the record low is 6°C (1987).

Monterrey weather in May

In May, Monterrey averages a high of 34°C and a low of 21°C. It gets 27 mm of precipitation over about 5 rainy days. The sun is out about 61% of daylight hours. The May record high is 46°C (2002) and the record low is 11°C (2013).

Monterrey weather in June

In June, Monterrey averages a high of 36°C and a low of 23°C. It gets 47 mm of precipitation over about 4 rainy days. The sun is out about 66% of daylight hours. The June record high is 45°C (2019) and the record low is 16°C (1984).

Monterrey weather in July

In July, Monterrey averages a high of 36°C and a low of 23°C. It gets 38 mm of precipitation over about 3 rainy days. The sun is out about 58% of daylight hours. The July record high is 44°C (1992) and the record low is 19°C (2008).

Monterrey weather in August

In August, Monterrey averages a high of 37°C and a low of 23°C. It gets 45 mm of precipitation over about 4 rainy days. The sun is out about 67% of daylight hours. The August record high is 42°C (2019) and the record low is 20°C (2004).

Monterrey weather in September

In September, Monterrey averages a high of 33°C and a low of 22°C. It gets 120 mm of precipitation over about 6 rainy days. The sun is out about 61% of daylight hours. The September record high is 41°C (2023) and the record low is 11°C (2006).

Monterrey weather in October

In October, Monterrey averages a high of 29°C and a low of 18°C. It gets 47 mm of precipitation over about 5 rainy days. The sun is out about 62% of daylight hours. The October record high is 41°C (2007) and the record low is 5°C (2000).

Monterrey weather in November

In November, Monterrey averages a high of 26°C and a low of 14°C. It gets 24 mm of precipitation over about 4 rainy days. The sun is out about 58% of daylight hours. The November record high is 38°C (1990) and the record low is 2°C (1993). November is one of the most comfortable months to visit.

Monterrey weather in December

In December, Monterrey averages a high of 23°C and a low of 11°C. It gets 13 mm of precipitation over about 3 rainy days. The sun is out about 60% of daylight hours. The December record high is 36°C (2021) and the record low is -7°C (1983). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Monterrey

August is the sunniest month in Monterrey, with sunshine about 67% of daylight hours. April is the cloudiest, at 50%. Over the year the sun shines about 60% of daylight hours. Monterrey is sunnier than 78% of Mexico.

Humidity peaks in November at 70% and is lowest in March at 56%.

Monterrey has about 88 days a year above 32°C. Monterrey is cooler than 54% of Mexico.

Monterrey weather records

The hottest temperature on record at the Monterrey station is 46°C, on May 3, 2002. The coldest is -7°C, on December 27, 1983.

The wettest day on record brought 211 mm of rain, on October 17, 2024.

25 all-time records have been set at the station since 1977.

The best time to visit Monterrey

The most comfortable time to visit is typically January to February and November to December, when daytime highs sit near 24°C.

Winter (December–February) is warm, with average highs around 24°C and lows near 11°C.

Spring (March–May) is hot, with average highs around 32°C and lows near 18°C.

Summer (June–August) is hot, with average highs around 36°C and lows near 23°C.

Autumn (September–November) is hot, with average highs around 29°C and lows near 18°C.

Monterrey climate questions

How much rain does Monterrey get?

Monterrey gets 418 mm of precipitation in an average year, over about 46 rainy days.

What is the wettest month in Monterrey?

September is the wettest month in Monterrey, with 120 mm. February is the driest, with 10 mm.

How many rainy days does Monterrey have a year?

Monterrey has about 46 days with measurable rain in an average year. September has the most, about 6.

What is the hottest month in Monterrey?

August is the warmest month in Monterrey, with an average high of 37°C.

What is the coldest month in Monterrey?

January is the coldest month in Monterrey, with an average low of 9°C.

What is the record high temperature in Monterrey?

The record high at the Monterrey station is 46°C, set on May 3, 2002. The record low is -7°C, on December 27, 1983.

What is the sunniest month in Monterrey?

August is the sunniest month in Monterrey, with sunshine about 67% of daylight hours. April is the cloudiest.

What is the best time to visit Monterrey?

The most comfortable time to visit is typically January to February and November to December, when daytime highs sit near 24°C.