Mexicali, Baja California Weather by Month and Climate Averages

How much rain does Mexicali get?

Mexicali gets 64 mm of precipitation in an average year, spread over about 14 days with measurable rain. That is fewer rainy days than 97% of the US.

February is the wettest month, with 11 mm. June is the driest, with 0 mm. February has the most rainy days, about 3.

The longest dry spell in the last five years lasted 356 days, to March 6, 2025.

Mexicali weather by month

Mexicali weather in January

In January, Mexicali averages a high of 22°C and a low of 7°C. It gets 10 mm of precipitation over about 2 rainy days. The sun is out about 68% of daylight hours. The January record high is 32°C (1971) and the record low is -7°C (1971). January is one of the most comfortable months to visit.

Mexicali weather in February

In February, Mexicali averages a high of 23°C and a low of 8°C. It gets 11 mm of precipitation over about 3 rainy days. The sun is out about 74% of daylight hours. The February record high is 37°C (2026) and the record low is -6°C (1985).

Mexicali weather in March

In March, Mexicali averages a high of 27°C and a low of 11°C. It gets 7 mm of precipitation over about 2 rainy days. The sun is out about 72% of daylight hours. The March record high is 42°C (2026) and the record low is -6°C (1985).

Mexicali weather in April

In April, Mexicali averages a high of 30°C and a low of 14°C. It gets 2 mm of precipitation over about 1 rainy days. The sun is out about 86% of daylight hours. The April record high is 41°C (1989) and the record low is -1°C (1983).

Mexicali weather in May

In May, Mexicali 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 92% of daylight hours. The May record high is 47°C (1973) and the record low is 6°C (1975).

Mexicali weather in June

In June, Mexicali averages a high of 39°C and a low of 22°C. It gets 0 mm of precipitation over about 0 rainy days. The sun is out about 87% of daylight hours. The June record high is 49°C (1970) and the record low is 10°C (1971).

Mexicali weather in July

In July, Mexicali averages a high of 42°C and a low of 26°C. It gets 2 mm of precipitation over about 1 rainy days. The sun is out about 78% of daylight hours. The July record high is 50°C (1995) and the record low is 16°C (1974).

Mexicali weather in August

In August, Mexicali averages a high of 42°C and a low of 26°C. It gets 6 mm of precipitation over about 1 rainy days. The sun is out about 80% of daylight hours. The August record high is 49°C (1972) and the record low is 13°C (1973).

Mexicali weather in September

In September, Mexicali averages a high of 39°C and a low of 23°C. It gets 6 mm of precipitation over about 1 rainy days. The sun is out about 88% of daylight hours. The September record high is 48°C (1971) and the record low is 9°C (1978).

Mexicali weather in October

In October, Mexicali averages a high of 33°C and a low of 17°C. It gets 5 mm of precipitation over about 1 rainy days. The sun is out about 87% of daylight hours. The October record high is 45°C (2024) and the record low is 2°C (1971).

Mexicali weather in November

In November, Mexicali averages a high of 26°C and a low of 11°C. It gets 4 mm of precipitation over about 1 rainy days. The sun is out about 78% of daylight hours. The November record high is 37°C (1980) and the record low is -2°C (1976). November is one of the most comfortable months to visit.

Mexicali weather in December

In December, Mexicali averages a high of 21°C and a low of 6°C. It gets 9 mm of precipitation over about 2 rainy days. The sun is out about 68% of daylight hours. The December record high is 31°C (2021) and the record low is -6°C (1990). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Mexicali

May is the sunniest month in Mexicali, with sunshine about 92% of daylight hours. January is the cloudiest, at 68%. Over the year the sun shines about 80% of daylight hours. Mexicali is sunnier than 99% of the US.

Humidity peaks in December at 32% and is lowest in June at 19%.

Mexicali has about 159 days a year above 32°C. Mexicali is hotter than 99% of the US.

First and last freeze in Mexicali

The first fall freeze in Mexicali typically comes around December 13, and the last spring freeze around January 29. That leaves a frost-free growing season of about 318 days.

Mexicali weather records

The hottest temperature on record at the Mexicali station is 50°C, on July 28, 1995. The coldest is -7°C, on January 5, 1971.

The wettest day on record brought 59 mm of rain, on September 10, 1976.

24 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Mexicali

The most comfortable time to visit is typically January and November to December, when daytime highs sit near 23°C.

Winter (December–February) is warm, with average highs around 22°C and lows near 7°C.

Spring (March–May) is hot, with average highs around 30°C and lows near 14°C.

Summer (June–August) is hot, with average highs around 41°C and lows near 24°C.

Autumn (September–November) is hot, with average highs around 33°C and lows near 17°C.

Mexicali climate questions

How much rain does Mexicali get?

Mexicali gets 64 mm of precipitation in an average year, over about 14 rainy days.

What is the wettest month in Mexicali?

February is the wettest month in Mexicali, with 11 mm. June is the driest, with 0 mm.

How many rainy days does Mexicali have a year?

Mexicali has about 14 days with measurable rain in an average year. February has the most, about 3.

What is the hottest month in Mexicali?

July is the warmest month in Mexicali, with an average high of 42°C.

What is the coldest month in Mexicali?

December is the coldest month in Mexicali, with an average low of 6°C.

What is the record high temperature in Mexicali?

The record high at the Mexicali station is 50°C, set on July 28, 1995. The record low is -7°C, on January 5, 1971.

What is the sunniest month in Mexicali?

May is the sunniest month in Mexicali, with sunshine about 92% of daylight hours. January is the cloudiest.

When is the first frost in Mexicali?

The first fall freeze in Mexicali typically comes around December 13. The last spring freeze is around January 29.

What is the best time to visit Mexicali?

The most comfortable time to visit is typically January and November to December, when daytime highs sit near 23°C.