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Sacramento County Climate

Sacramento County, California

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec62.1°AVG °F

Avg Annual Temp

62.1°F

Annual Precip

19.1"

Annual Snowfall

0.0"

Extreme Heat Days

83

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.9"
3.7"
2.9"
1.4"
0.8"
0.2"
0.0"
0.0"
0.1"
0.9"
1.7"
3.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9b

Minimum winter temperature range for plant survival

Growing Degree Days

4,739

Excellent for heat-loving crops

Last spring frost (32°F): 02/02
First fall frost (32°F): 12/02

Seasonal Overview

Comfort ZoneSpring56°67°5.1"Summer73°77°0.3"Fall54°73°2.7"Winter47°52°11.0"20°40°60°80°100°

National Comparison

Warmer than 78% of US counties
Wetter than 13% of US counties
More seasonal variation than 5% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Sacramento County

Climate Verdict

Sacramento County has a warm, averaging 62.1°F year-round, semi-arid conditions with only 19.1 inches of annual precipitation, significant summer heat with 83.13333333333334 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 47.6°F. summers are warm — July averages 76.7°F. The climate is remarkably stable year-round, with only a 29°F difference between January and July. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.

Regional Context

Sacramento County is 3.5°F warmer than the California statewide average of 58.7°F, it is also noticeably drier, receiving 6.7 inches less precipitation than the state average, the county experiences 24.462408370399466 more extreme heat days than the state average.

Climate Profile

About Sacramento County Weather

Sacramento's warm Mediterranean climate

With an annual average of 62.1°F, Sacramento is warmer than the national median. It experiences a classic Mediterranean pattern defined by dry summers and wet winters.

Surpassing the California average temperature

The county's 62.1°F average temperature is higher than the California state average of 58.7°F. However, its 19.1 inches of rain falls short of the statewide average of 25.8 inches.

Consistent with Central Valley peers

Sacramento shares a nearly identical climate with San Joaquin County, which averages 62.5°F. Both counties receive roughly 19 inches of rain, though Sacramento is slightly cooler in the winter months.

Hot sun and snow-free winters

Residents experience 83 extreme heat days annually, with July temperatures averaging 76.7°F. Snow is nonexistent, and winters are cool but manageable with a 47.6°F January average.

Be ready for dry summer heat

Air conditioning is essential during the 83 days of 90-plus degree weather. Since rain is scarce during summer, landscape irrigation planning is a top priority for local homeowners.

Frequently Asked Questions

What is the average temperature in Sacramento County?
The average annual temperature in Sacramento County, CA is 62.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Sacramento County get?
Sacramento County receives an average of 19.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Sacramento County?
Sacramento County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Sacramento County get in summer?
The average summer temperature (June-August) in Sacramento County is 75.2°F. The county experiences an average of 83 days per year above 90°F.
How cold are winters in Sacramento County?
The average winter temperature (December-February) in Sacramento County is 48.8°F. January, typically the coldest month, averages 47.6°F.

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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