Rosarito, Baja California Weather by Month and Climate Averages

How much rain does Rosarito get?

Rosarito gets 218 mm of precipitation in an average year, spread over about 21 days with measurable rain. That is fewer rainy days than 95% of the US.

February is the wettest month, with 53 mm. August is the driest, with 1 mm. February has the most rainy days, about 4.

The longest dry spell in the last five years lasted 53 days, to August 9, 2025.

Rosarito weather by month

Rosarito weather in January

In January, Rosarito averages a high of 19°C and a low of 9°C. It gets 43 mm of precipitation over about 4 rainy days. The sun is out about 56% of daylight hours. The January record high is 30°C (1976) and the record low is -3°C (1971). January is one of the most comfortable months to visit.

Rosarito weather in February

In February, Rosarito averages a high of 19°C and a low of 9°C. It gets 53 mm of precipitation over about 4 rainy days. The sun is out about 59% of daylight hours. The February record high is 34°C (2016) and the record low is 1°C (1975).

Rosarito weather in March

In March, Rosarito averages a high of 19°C and a low of 11°C. It gets 47 mm of precipitation over about 4 rainy days. The sun is out about 52% of daylight hours. The March record high is 30°C (2014) and the record low is 1°C (1971). March is one of the most comfortable months to visit.

Rosarito weather in April

In April, Rosarito averages a high of 19°C and a low of 12°C. It gets 15 mm of precipitation over about 2 rainy days. The sun is out about 55% of daylight hours. The April record high is 30°C (2009) and the record low is 5°C (1976). April is one of the most comfortable months to visit.

Rosarito weather in May

In May, Rosarito averages a high of 20°C and a low of 14°C. It gets 3 mm of precipitation over about 1 rainy days. The sun is out about 50% of daylight hours. The May record high is 29°C (2014) and the record low is 6°C (2011). May is one of the most comfortable months to visit.

Rosarito weather in June

In June, Rosarito averages a high of 21°C and a low of 16°C. It gets 2 mm of precipitation over about 0 rainy days. The sun is out about 56% of daylight hours. The June record high is 32°C (1980) and the record low is 8°C (1971). June is one of the most comfortable months to visit.

Rosarito weather in July

In July, Rosarito averages a high of 23°C and a low of 18°C. It gets 8 mm of precipitation over about 0 rainy days. The sun is out about 60% of daylight hours. The July record high is 33°C (2015) and the record low is 12°C (2011). July is one of the most comfortable months to visit.

Rosarito weather in August

In August, Rosarito averages a high of 24°C and a low of 18°C. It gets 1 mm of precipitation over about 0 rainy days. The sun is out about 65% of daylight hours. The August record high is 33°C (2008) and the record low is 9°C (2010). August is one of the most comfortable months to visit.

Rosarito weather in September

In September, Rosarito averages a high of 24°C and a low of 17°C. It gets 4 mm of precipitation over about 1 rainy days. The sun is out about 66% of daylight hours. The September record high is 35°C (2008) and the record low is 9°C (2013). September is one of the most comfortable months to visit.

Rosarito weather in October

In October, Rosarito averages a high of 23°C and a low of 14°C. It gets 11 mm of precipitation over about 1 rainy days. The sun is out about 67% of daylight hours. The October record high is 37°C (2017) and the record low is 2°C (1971). October is one of the most comfortable months to visit.

Rosarito weather in November

In November, Rosarito averages a high of 22°C and a low of 11°C. It gets 20 mm of precipitation over about 2 rainy days. The sun is out about 66% of daylight hours. The November record high is 37°C (1976) and the record low is -1°C (2007). November is one of the most comfortable months to visit.

Rosarito weather in December

In December, Rosarito averages a high of 18°C and a low of 8°C. It gets 11 mm of precipitation over about 3 rainy days. The sun is out about 54% of daylight hours. The December record high is 31°C (2016) and the record low is -1°C (1978). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Rosarito

October is the sunniest month in Rosarito, with sunshine about 67% of daylight hours. May is the cloudiest, at 50%. Over the year the sun shines about 59% of daylight hours. Rosarito is sunnier than 84% of the US.

Humidity peaks in July at 83% and is lowest in February at 67%.

Wind averages 11 km/h over the year, and May is the windiest month at 13 km/h.

Rosarito has about 3 days a year above 32°C. Rosarito is cooler than 97% of the US.

Rosarito weather records

The hottest temperature on record at the Rosarito station is 37°C, on November 4, 1976. The coldest is -3°C, on January 7, 1971.

The wettest day on record brought 113 mm of rain, on February 2, 1988.

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

The best time to visit Rosarito

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 21°C.

Winter (December–February) is mild, with average highs around 19°C and lows near 9°C.

Spring (March–May) is mild, with average highs around 19°C and lows near 12°C.

Summer (June–August) is warm, with average highs around 23°C and lows near 17°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 23°C and lows near 14°C.

Rosarito climate questions

How much rain does Rosarito get?

Rosarito gets 218 mm of precipitation in an average year, over about 21 rainy days.

What is the wettest month in Rosarito?

February is the wettest month in Rosarito, with 53 mm. August is the driest, with 1 mm.

How many rainy days does Rosarito have a year?

Rosarito has about 21 days with measurable rain in an average year. February has the most, about 4.

What is the hottest month in Rosarito?

August is the warmest month in Rosarito, with an average high of 24°C.

What is the coldest month in Rosarito?

December is the coldest month in Rosarito, with an average low of 8°C.

What is the record high temperature in Rosarito?

The record high at the Rosarito station is 37°C, set on November 4, 1976. The record low is -3°C, on January 7, 1971.

What is the sunniest month in Rosarito?

October is the sunniest month in Rosarito, with sunshine about 67% of daylight hours. May is the cloudiest.

What is the best time to visit Rosarito?

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 21°C.