Idyllwild (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Idyllwild.
Climate overview of Idyllwild
The climate in Idyllwild, California, United States of America, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in July to 11°C (52°F) in December.
With around 565 mm (22 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and June the driest. It also has a distinct dry season from May to October, with warm summers and cold winters.
Idyllwild Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Idyllwild - and find the best time to visit.
Monthly Temperature in Idyllwild
In Idyllwild, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 11°C (52°F) in the coolest month, December.
Nights vary from 14°C (57°F) in July to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Idyllwild
On average, Idyllwild receives a reasonable amount of rain/snowfall, with an annual precipitation of 565 mm (22 in). The climate in Idyllwild shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 135 mm (5.3 in) of precipitation over 9 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 1.2 mm (0.05 in) of rainfall over a single rainy day. For more details, please visit our Idyllwild Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Idyllwild
The mean water temperature over the year ranges from 13°C (55°F) in February to 21°C (70°F) in August.
Water temperature over the year
Best Time to Visit Idyllwild
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, July, August, September and October
- Warmest weather: July and August
- Best for swimming: July, August and September.
- Wettest months: January, February, March and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to October, with warm summers and cold winters
- Coldest conditions: December, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Idyllwild
What is the best time to visit Idyllwild?
May, June, July, August, September and October typically offer the most optimal weather in Idyllwild. In contrast, December tends to have less optimal conditions. Idyllwild has a distinct dry season from May to October, with warm summers and cold winters.
What temperatures can I expect in Idyllwild?
Daytime highs range from 11°C (52°F) in December to 29°C (84°F) in July. Nighttime lows range from -1°C (30°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Idyllwild get?
Annual rainfall is around 565 mm (22 in). December is the wettest month with 135 mm (5.3 in), while June is the driest with 1.2 mm (0.05 in).
Idyllwild 3-Day Forecast
Idyllwild (CA) 3-Day Forecast
Idyllwild on the map
Idyllwild is highlighted - select any city to see its climate.
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