Salamanca, Guanajuato Weather by Month and Climate Averages

How much rain does Salamanca get?

Salamanca gets 457 mm of precipitation in an average year, spread over about 53 days with measurable rain. That is fewer rainy days than 62% of Mexico.

July is the wettest month, with 113 mm. December is the driest, with 4 mm. July has the most rainy days, about 11.

The longest dry spell in the last five years lasted 24 days, to April 11, 2022.

Salamanca weather by month

Salamanca weather in January

In January, Salamanca averages a high of 23°C and a low of 7°C. It gets 5 mm of precipitation over about 1 rainy days. The sun is out about 59% of daylight hours. The January record high is 29°C (2012) and the record low is -2°C (1985). January is one of the most comfortable months to visit.

Salamanca weather in February

In February, Salamanca averages a high of 26°C and a low of 8°C. It gets 8 mm of precipitation over about 1 rainy days. The sun is out about 77% of daylight hours. The February record high is 33°C (2008) and the record low is -2°C (1983). February is one of the most comfortable months to visit.

Salamanca weather in March

In March, Salamanca averages a high of 28°C and a low of 10°C. It gets 9 mm of precipitation over about 2 rainy days. The sun is out about 76% of daylight hours. The March record high is 37°C (2020) and the record low is 2°C (1983).

Salamanca weather in April

In April, Salamanca averages a high of 31°C and a low of 12°C. It gets 7 mm of precipitation over about 2 rainy days. The sun is out about 66% of daylight hours. The April record high is 37°C (2008) and the record low is 6°C (1985).

Salamanca weather in May

In May, Salamanca averages a high of 32°C and a low of 14°C. It gets 29 mm of precipitation over about 6 rainy days. The sun is out about 68% of daylight hours. The May record high is 41°C (2025) and the record low is 8°C (2014).

Salamanca weather in June

In June, Salamanca averages a high of 31°C and a low of 15°C. It gets 83 mm of precipitation over about 8 rainy days. The sun is out about 46% of daylight hours. The June record high is 39°C (2023) and the record low is 8°C (1984).

Salamanca weather in July

In July, Salamanca averages a high of 28°C and a low of 14°C. It gets 113 mm of precipitation over about 11 rainy days. The sun is out about 28% of daylight hours. The July record high is 34°C (2023) and the record low is 11°C (2000).

Salamanca weather in August

In August, Salamanca averages a high of 28°C and a low of 14°C. It gets 91 mm of precipitation over about 9 rainy days. The sun is out about 32% of daylight hours. The August record high is 35°C (2011) and the record low is 9°C (1984).

Salamanca weather in September

In September, Salamanca averages a high of 27°C and a low of 14°C. It gets 78 mm of precipitation over about 7 rainy days. The sun is out about 35% of daylight hours. The September record high is 35°C (2023) and the record low is 6°C (1989).

Salamanca weather in October

In October, Salamanca averages a high of 27°C and a low of 12°C. It gets 27 mm of precipitation over about 4 rainy days. The sun is out about 46% of daylight hours. The October record high is 34°C (2009) and the record low is 2°C (1999). October is one of the most comfortable months to visit.

Salamanca weather in November

In November, Salamanca averages a high of 26°C and a low of 9°C. It gets 4 mm of precipitation over about 1 rainy days. The sun is out about 71% of daylight hours. The November record high is 32°C (2023) and the record low is 0°C (1979). November is one of the most comfortable months to visit.

Salamanca weather in December

In December, Salamanca averages a high of 24°C and a low of 7°C. It gets 4 mm of precipitation over about 1 rainy days. The sun is out about 62% of daylight hours. The December record high is 31°C (2005) and the record low is -2°C (1997). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Salamanca

February is the sunniest month in Salamanca, with sunshine about 77% of daylight hours. July is the cloudiest, at 28%. Over the year the sun shines about 56% of daylight hours. Salamanca is sunnier than 66% of Mexico.

Humidity peaks in August at 67% and is lowest in April at 28%.

Salamanca has about 22 days a year above 32°C. Salamanca is cooler than 81% of Mexico.

Salamanca weather records

The hottest temperature on record at the Salamanca station is 41°C, on May 17, 2025. The coldest is -2°C, on December 15, 1997.

The wettest day on record brought 92 mm of rain, on February 4, 2010.

31 all-time records have been set at the station since 1978.

The best time to visit Salamanca

The most comfortable time to visit is typically January to February and October to December, when daytime highs sit near 25°C.

Winter (December–February) is warm, with average highs around 24°C and lows near 7°C.

Spring (March–May) is hot, with average highs around 30°C and lows near 12°C.

Summer (June–August) is hot, with average highs around 29°C and lows near 14°C.

Autumn (September–November) is warm, with average highs around 26°C and lows near 12°C.

Salamanca climate questions

How much rain does Salamanca get?

Salamanca gets 457 mm of precipitation in an average year, over about 53 rainy days.

What is the wettest month in Salamanca?

July is the wettest month in Salamanca, with 113 mm. December is the driest, with 4 mm.

How many rainy days does Salamanca have a year?

Salamanca has about 53 days with measurable rain in an average year. July has the most, about 11.

What is the hottest month in Salamanca?

May is the warmest month in Salamanca, with an average high of 32°C.

What is the coldest month in Salamanca?

January is the coldest month in Salamanca, with an average low of 7°C.

What is the record high temperature in Salamanca?

The record high at the Salamanca station is 41°C, set on May 17, 2025. The record low is -2°C, on December 15, 1997.

What is the sunniest month in Salamanca?

February is the sunniest month in Salamanca, with sunshine about 77% of daylight hours. July is the cloudiest.

What is the best time to visit Salamanca?

The most comfortable time to visit is typically January to February and October to December, when daytime highs sit near 25°C.