Heroica Guaymas, Sonora Weather by Month and Climate Averages

How much rain does Heroica Guaymas get?

Heroica Guaymas gets 174 mm of precipitation in an average year, spread over about 13 days with measurable rain. That is fewer rainy days than 95% of Mexico.

August is the wettest month, with 52 mm. May is the driest, with 1 mm. August has the most rainy days, about 3.

The longest dry spell in the last five years lasted 113 days, to December 12, 2023.

Heroica Guaymas weather by month

Heroica Guaymas weather in January

In January, Heroica Guaymas averages a high of 26°C and a low of 8°C. It gets 5 mm of precipitation over about 1 rainy days. The sun is out about 70% of daylight hours. The January record high is 36°C (2018) and the record low is 0°C (1996). January is one of the most comfortable months to visit.

Heroica Guaymas weather in February

In February, Heroica Guaymas averages a high of 27°C and a low of 10°C. It gets 9 mm of precipitation over about 1 rainy days. The sun is out about 63% of daylight hours. The February record high is 39°C (2025) and the record low is 0°C (1994).

Heroica Guaymas weather in March

In March, Heroica Guaymas averages a high of 29°C and a low of 12°C. It gets 8 mm of precipitation over about 0 rainy days. The sun is out about 64% of daylight hours. The March record high is 39°C (1989) and the record low is 0°C (1993).

Heroica Guaymas weather in April

In April, Heroica Guaymas averages a high of 32°C and a low of 14°C. It gets 1 mm of precipitation over about 0 rainy days. The sun is out about 74% of daylight hours. The April record high is 42°C (2006) and the record low is 7°C (2017).

Heroica Guaymas weather in May

In May, Heroica Guaymas averages a high of 34°C and a low of 17°C. It gets 1 mm of precipitation over about 0 rainy days. The sun is out about 85% of daylight hours. The May record high is 44°C (2018) and the record low is 9°C (2016).

Heroica Guaymas weather in June

In June, Heroica Guaymas averages a high of 36°C and a low of 22°C. It gets 3 mm of precipitation over about 0 rainy days. The sun is out about 80% of daylight hours. The June record high is 48°C (2024) and the record low is 14°C (1990).

Heroica Guaymas weather in July

In July, Heroica Guaymas averages a high of 37°C and a low of 26°C. It gets 31 mm of precipitation over about 2 rainy days. The sun is out about 56% of daylight hours. The July record high is 44°C (1979) and the record low is 18°C (1983).

Heroica Guaymas weather in August

In August, Heroica Guaymas averages a high of 37°C and a low of 26°C. It gets 52 mm of precipitation over about 3 rainy days. The sun is out about 64% of daylight hours. The August record high is 43°C (2021) and the record low is 19°C (1994).

Heroica Guaymas weather in September

In September, Heroica Guaymas averages a high of 36°C and a low of 24°C. It gets 26 mm of precipitation over about 2 rainy days. The sun is out about 80% of daylight hours. The September record high is 46°C (2020) and the record low is 13°C (2017).

Heroica Guaymas weather in October

In October, Heroica Guaymas averages a high of 34°C and a low of 19°C. It gets 12 mm of precipitation over about 1 rainy days. The sun is out about 87% of daylight hours. The October record high is 43°C (1996) and the record low is 9°C (2020).

Heroica Guaymas weather in November

In November, Heroica Guaymas averages a high of 30°C and a low of 13°C. It gets 12 mm of precipitation over about 1 rainy days. The sun is out about 75% of daylight hours. The November record high is 39°C (2008) and the record low is 4°C (1983).

Heroica Guaymas weather in December

In December, Heroica Guaymas averages a high of 26°C and a low of 9°C. It gets 14 mm of precipitation over about 1 rainy days. The sun is out about 72% of daylight hours. The December record high is 35°C (2015) and the record low is 0°C (1997). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Heroica Guaymas

October is the sunniest month in Heroica Guaymas, with sunshine about 87% of daylight hours. July is the cloudiest, at 56%. Over the year the sun shines about 73% of daylight hours. Heroica Guaymas is sunnier than 97% of Mexico.

Humidity peaks in August at 64% and is lowest in April at 49%.

Heroica Guaymas has about 109 days a year above 32°C. Heroica Guaymas is hotter than 54% of Mexico.

Heroica Guaymas weather records

The hottest temperature on record at the Heroica Guaymas station is 48°C, on June 13, 2024. The coldest is 0°C, on March 1, 1993.

The wettest day on record brought 202 mm of rain, on July 30, 2000.

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

The best time to visit Heroica Guaymas

The most comfortable time to visit is typically January and December, when daytime highs sit near 26°C.

Winter (December–February) is warm, with average highs around 26°C and lows near 9°C.

Spring (March–May) is hot, with average highs around 31°C and lows near 14°C.

Summer (June–August) is hot, with average highs around 37°C and lows near 25°C.

Autumn (September–November) is hot, with average highs around 34°C and lows near 19°C.

Heroica Guaymas climate questions

How much rain does Heroica Guaymas get?

Heroica Guaymas gets 174 mm of precipitation in an average year, over about 13 rainy days.

What is the wettest month in Heroica Guaymas?

August is the wettest month in Heroica Guaymas, with 52 mm. May is the driest, with 1 mm.

How many rainy days does Heroica Guaymas have a year?

Heroica Guaymas has about 13 days with measurable rain in an average year. August has the most, about 3.

What is the hottest month in Heroica Guaymas?

July is the warmest month in Heroica Guaymas, with an average high of 37°C.

What is the coldest month in Heroica Guaymas?

January is the coldest month in Heroica Guaymas, with an average low of 8°C.

What is the record high temperature in Heroica Guaymas?

The record high at the Heroica Guaymas station is 48°C, set on June 13, 2024. The record low is 0°C, on March 1, 1993.

What is the sunniest month in Heroica Guaymas?

October is the sunniest month in Heroica Guaymas, with sunshine about 87% of daylight hours. July is the cloudiest.

What is the best time to visit Heroica Guaymas?

The most comfortable time to visit is typically January and December, when daytime highs sit near 26°C.