Mariposa (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Mariposa.

Climate overview of Mariposa

Mariposa, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 34°C (93°F) in July, while winters cool to 13°C (55°F) in December.

Mariposa sees a moderate amount of rain/snowfall, totalling around 645 mm (25 in) per year. It experiences a distinct dry season from May to September, with very warm summers and mild winters, creating some seasonal variation.

Mariposa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Mariposa - and find the best time to visit.

Monthly Temperature in Mariposa

Depending on the time of the year, temperatures range from very warm to moderate in Mariposa. Average maximum daytime temperatures range from a very warm 34°C (93°F) in July, the warmest time of the year, to a moderate 13°C (55°F) during cooler months like December.

At night, you can expect temperatures ranging from 17°C (63°F) in July to around 2°C (36°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Mariposa

Generally, Mariposa has a moderate amount of precipitation, averaging 645 mm (25 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives high rainfall, averaging 149 mm (5.9 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month August brings less rainfall, with 0.3 mm (0.01 in) over 0 rainy days. For more details, please visit our Mariposa Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Mariposa

The most comfortable overall weather for exploring Mariposa is usually found in May and October. Conditions are generally least comfortable in July, August and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May and October
  • Warmest weather: July and August
  • Fewest rainy days: June, July, August and September
  • Wettest months: January, February, March, April and December, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from May to September, with very warm summers and mild winters

Frequently asked questions about the climate in Mariposa

What is the best time to visit Mariposa?

May and October typically offer the most optimal weather in Mariposa. In contrast, July, August and December tend to have less optimal conditions. Mariposa has a distinct dry season from May to September, with very warm summers and mild winters.

What temperatures can I expect in Mariposa?

Daytime highs range from 13°C (55°F) in December to 34°C (93°F) in July. Nighttime lows range from 2°C (36°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Mariposa get?

Annual rainfall is around 645 mm (25 in). December is the wettest month with 149 mm (5.9 in), while August is the driest with 0.3 mm (0.01 in).

Mariposa 3-Day Forecast

Mariposa on the map

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