Rocklin (CA) Weather and Climate: A Comprehensive Guide
The climate in Rocklin is marked by big temperature swings throughout the year.
Temperatures range from very hot during the warmest months
to mild in the cooler months.
It receives a reasonable amount of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Rocklin, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very hot 36°C in July. In January, the coolest month of the year, temperatures drop to a moderate 13°C.
At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Rocklin receives a reasonable amount of rainfall, with an annual precipitation of 515 mm. Rocklin can be quite wet during December, receiving approximately 109 mm of precipitation over 12 rainy days. In contrast July, experiences much drier conditions, with 0.1 mm of rainfall, spread across 0 rainy days. For more details, please visit our Rocklin Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Rocklin can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 14.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Rocklin.
The city experiences its highest humidity in January, reaching 83%. In July, the humidity drops to its lowest level at 53%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain broken clouds and rain broken clouds and no rainForecast for Rocklin (CA)
2 m/s
5 m/s
3 m/s
The best time of year to visit Rocklin in the United States of America
During the months of April 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:
Yes, the months of May, June, July, August and September are very dry.
July has an average maximum temperature of 36°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 13°C.
December tops the wettest month list with 109 mm of rainfall.
July is the driest month with 0 mm of precipitation.
July is the sunniest month with an average of 440 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.
