Grass Valley (CA) Climate by Month
The temperature in Grass Valley can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
Visitors to Grass Valley can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a very warm 31°C in July to a chilly 10°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to 1°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Grass Valley is known for its substantial rain/snowfall, with annual precipitation reaching 1267 mm. The climate in Grass Valley shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 261 mm of precipitation over 14 rainy days. In contrast, July offers drier and sunnier days, with around 0.2 mm of rainfall over 0 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Grass Valley 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.
Most rainfall (rainy season) is seen in January, February, March and December.
Yes, the months of 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 10°C.
December tops the wettest month list with 261 mm of rainfall.
July is the driest month with 0 mm of precipitation.
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.
