Upper Lake (CA) Weather and Climate: A Comprehensive Guide
The temperature in Upper Lake can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and mild during the cooler months.
It receives mid-range precipitation levels.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Visitors to Upper Lake can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 33°C in July, the warmest time of the year, to a moderate 12°C during cooler months like January.
At night, temperatures typically drop to an average of around 0°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Upper Lake experiences moderate precipitation patterns, averaging 745 mm yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives heavy rainfall, averaging 172 mm of precipitation, recorded across 15 rainy days. In contrast, the drier season, August brings less rainfall, with 0.3 mm over 0 rainy days. For more details, please visit our Upper Lake 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
Seasonal changes in sunshine hours are quite dramatic in Upper Lake. While May receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 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
broken clouds and rain overcast and rain broken clouds and rainForecast for Upper Lake (CA)
3 m/s
2 m/s
5 m/s
The best time of year to visit Upper Lake in the United States of America
During the months of April, 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 June, July, August and September are very dry.
July has an average maximum temperature of 33°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 172 mm of rainfall.
August is the driest month with 0 mm of precipitation.
May is the sunniest month with an average of 310 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.
