Julian (CA) Climate by Month
The climate in Julian is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
In Julian, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C in July to a chilly 12°C in December. Nighttime temperatures can drop, with averages reaching 3°C in December.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Julian receives a reasonable amount of rain/snowfall, with an annual precipitation of 534 mm. The seasons in Julian, bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 132 mm of precipitation. This rainfall is distributed across 10 rainy days. In contrast, the driest month, June, experiences much less rainfall, totaling 0.5 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Julian enjoys sunny spells year-round. July sees up to 10.1 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 7.7 hours of sun despite this cloudier time of the year.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Julian.
Relative humidity over the year
The best time of year to visit Julian in the United States of America
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Yes, the months of May, June, July, August and September are very dry.
July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 12°C.
December tops the wettest month list with 132 mm of rainfall.
June is the driest month with 1 mm of precipitation.
July is the sunniest month with an average of 304 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.