Tehama County Climate
Tehama County, California
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.8°F
Annual Precip
32.8"
Annual Snowfall
0.1"
Extreme Heat Days
56
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
3,310
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Tehama County
Climate Verdict
Tehama County has a mild, with an average annual temperature of 54.8°F, moderate rainfall of 32.8 inches per year, occasional hot days — 55.95 per year above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 40.3°F. summers are warm — July averages 72.7°F. The 32°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Tehama County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Tehama County is 3.9°F cooler than the California statewide average of 58.7°F, it is also noticeably wetter, receiving 7.0 inches more precipitation than the state average.
Climate Profile
About Tehama County Weather
Near the national temperature median
Tehama County’s 54.8°F average annual temperature closely aligns with the national median. This makes it one of the few California counties that mirrors the typical American temperature experience. It balances northern cool with valley warmth.
Cooler than the state average
At 54.8°F, Tehama is notably cooler than the California state average of 58.7°F. The county’s northern latitude and terrain contribute to this lower average. It offers a reprieve from the higher temperatures found further south.
Abundant rain for the region
The county receives 32.8 inches of annual rain, significantly higher than the state average of 25.8 inches. It is much wetter than Stanislaus County to the south. This higher rainfall supports the diverse natural landscapes of the northern valley.
Hot summers and crisp winters
The county sees 56 extreme heat days annually, with July temperatures averaging a warm 72.7°F. Winters are chilly for California, averaging 41.0°F with trace amounts of snowfall. This variation creates distinct, manageable seasonal shifts.
Prepare for variable weather
Homeowners should ensure insulation is adequate for the 41.0°F winter average. Cooling systems need to be reliable to combat nearly two months of extreme heat. Rain-ready gear is a must to enjoy the 32.8 inches of annual precipitation.
Frequently Asked Questions
What is the average temperature in Tehama County?
How much rain does Tehama County get?
Does it snow in Tehama County?
How hot does Tehama County get in summer?
How cold are winters in Tehama County?
Track your own weather in Tehama County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.