Mazatlán, Sinaloa Weather by Month and Climate Averages

How much rain does Mazatlán get?

Mazatlán gets 699 mm of precipitation in an average year, spread over about 39 days with measurable rain. That is fewer rainy days than 78% of Mexico.

September is the wettest month, with 228 mm. May is the driest, with 0 mm. August has the most rainy days, about 11.

The longest dry spell in the last five years lasted 66 days, to March 9, 2022.

Mazatlán weather by month

Mazatlán weather in January

In January, Mazatlán averages a high of 27°C and a low of 14°C. It gets 14 mm of precipitation over about 1 rainy days. The sun is out about 57% of daylight hours. The January record high is 33°C (2018) and the record low is 7°C (2008). January is one of the most comfortable months to visit.

Mazatlán weather in February

In February, Mazatlán averages a high of 27°C and a low of 14°C. It gets 7 mm of precipitation over about 1 rainy days. The sun is out about 58% of daylight hours. The February record high is 34°C (2018) and the record low is 3°C (2011). February is one of the most comfortable months to visit.

Mazatlán weather in March

In March, Mazatlán averages a high of 27°C and a low of 16°C. It gets 2 mm of precipitation over about 0 rainy days. The sun is out about 61% of daylight hours. The March record high is 34°C (2017) and the record low is 8°C (2013).

Mazatlán weather in April

In April, Mazatlán averages a high of 28°C and a low of 17°C. It gets 5 mm of precipitation over about 0 rainy days. The sun is out about 62% of daylight hours. The April record high is 38°C (2026) and the record low is 9°C (1994).

Mazatlán weather in May

In May, Mazatlán averages a high of 31°C and a low of 21°C. It gets 0 mm of precipitation over about 0 rainy days. The sun is out about 72% of daylight hours. The May record high is 40°C (2026) and the record low is 13°C (2006).

Mazatlán weather in June

In June, Mazatlán averages a high of 33°C and a low of 25°C. It gets 28 mm of precipitation over about 2 rainy days. The sun is out about 59% of daylight hours. The June record high is 41°C (2026) and the record low is 18°C (2026).

Mazatlán weather in July

In July, Mazatlán averages a high of 33°C and a low of 25°C. It gets 131 mm of precipitation over about 8 rainy days. The sun is out about 36% of daylight hours. The July record high is 39°C (2026) and the record low is 15°C (1997).

Mazatlán weather in August

In August, Mazatlán averages a high of 34°C and a low of 25°C. It gets 188 mm of precipitation over about 11 rainy days. The sun is out about 28% of daylight hours. The August record high is 40°C (2026) and the record low is 16°C (2026).

Mazatlán weather in September

In September, Mazatlán averages a high of 33°C and a low of 25°C. It gets 228 mm of precipitation over about 10 rainy days. The sun is out about 39% of daylight hours. The September record high is 37°C (2023) and the record low is 19°C (1983).

Mazatlán weather in October

In October, Mazatlán averages a high of 33°C and a low of 24°C. It gets 51 mm of precipitation over about 3 rainy days. The sun is out about 66% of daylight hours. The October record high is 38°C (1983) and the record low is 17°C (2010).

Mazatlán weather in November

In November, Mazatlán averages a high of 31°C and a low of 19°C. It gets 37 mm of precipitation over about 2 rainy days. The sun is out about 73% of daylight hours. The November record high is 37°C (2005) and the record low is 10°C (1979).

Mazatlán weather in December

In December, Mazatlán averages a high of 28°C and a low of 16°C. It gets 7 mm of precipitation over about 1 rainy days. The sun is out about 62% of daylight hours. The December record high is 33°C (2006) and the record low is 8°C (2007).

Sunshine, humidity and wind in Mazatlán

November is the sunniest month in Mazatlán, with sunshine about 73% of daylight hours. August is the cloudiest, at 28%. Over the year the sun shines about 56% of daylight hours. Mazatlán is sunnier than 68% of Mexico.

Humidity peaks in September at 82% and is lowest in June at 78%.

Mazatlán has about 101 days a year above 32°C. Mazatlán is hotter than 51% of Mexico.

Mazatlán weather records

The hottest temperature on record at the Mazatlán station is 41°C, on June 6, 2026. The coldest is 3°C, on February 4, 2011.

The wettest day on record brought 254 mm of rain, on September 23, 2000.

28 all-time records have been set at the station since 1973.

The best time to visit Mazatlán

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

Winter (December–February) is warm, with average highs around 27°C and lows near 15°C.

Spring (March–May) is hot, with average highs around 28°C and lows near 18°C.

Summer (June–August) is hot, with average highs around 33°C and lows near 25°C. It can feel humid.

Autumn (September–November) is hot, with average highs around 32°C and lows near 23°C.

Mazatlán climate questions

How much rain does Mazatlán get?

Mazatlán gets 699 mm of precipitation in an average year, over about 39 rainy days.

What is the wettest month in Mazatlán?

September is the wettest month in Mazatlán, with 228 mm. May is the driest, with 0 mm.

How many rainy days does Mazatlán have a year?

Mazatlán has about 39 days with measurable rain in an average year. August has the most, about 11.

What is the hottest month in Mazatlán?

August is the warmest month in Mazatlán, with an average high of 34°C.

What is the coldest month in Mazatlán?

January is the coldest month in Mazatlán, with an average low of 14°C.

What is the record high temperature in Mazatlán?

The record high at the Mazatlán station is 41°C, set on June 6, 2026. The record low is 3°C, on February 4, 2011.

What is the sunniest month in Mazatlán?

November is the sunniest month in Mazatlán, with sunshine about 73% of daylight hours. August is the cloudiest.

What is the best time to visit Mazatlán?

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