Twain Harte (CA) Weather & Climate: Best Time to Visit

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

Climate overview of Twain Harte

Twain Harte, California, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and December dropping to 10°C (50°F).

Twain Harte sees a moderate amount of rain/snowfall, totalling around 899 mm (35 in) per year. It experiences a distinct dry season from June to September, with very warm summers and cold winters, creating some seasonal variation.

Twain Harte Weather by Month

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

Monthly Temperature in Twain Harte

Visitors to Twain Harte can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like December.

At night, you can expect temperatures ranging from 16°C (61°F) in July to around 0°C (32°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Twain Harte

Generally, Twain Harte experiences moderate precipitation patterns, averaging 899 mm (35 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives heavy rainfall, averaging 180 mm (7.1 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month August brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days. For more details, please visit our Twain Harte Precipitation page.

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

Best Time to Visit Twain Harte

For comfortable weather, consider visiting Twain Harte in May, June, September and October. Conditions are usually least favourable in January, February 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, June, September and October
  • Warmest weather: July and August
  • Fewest rainy days: June, July, August and September
  • Wettest months: January, February, March, April, November and December, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from June to September, with very warm summers and cold winters

Frequently asked questions about the climate in Twain Harte

What is the best time to visit Twain Harte?

May, June, September and October typically offer the most optimal weather in Twain Harte. In contrast, January, February and December tend to have less optimal conditions. Twain Harte has a distinct dry season from June to September, with very warm summers and cold winters.

What temperatures can I expect in Twain Harte?

Daytime highs range from 10°C (50°F) in December to 31°C (88°F) in July. Nighttime lows range from 0°C (32°F) to 16°C (61°F). Temperatures vary considerably through the year.

How much rain does Twain Harte get?

Annual rainfall is around 899 mm (35 in). December is the wettest month with 180 mm (7.1 in), while August is the driest with 0.2 mm (0.01 in).

Twain Harte 3-Day Forecast

Twain Harte (CA) 3-Day Forecast

Twain Harte on the map

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