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Del Norte County Climate

Del Norte County, California

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec52.5°AVG °F

Avg Annual Temp

52.5°F

Annual Precip

74.6"

Annual Snowfall

0.0"

Extreme Heat Days

0

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
12.0"
9.7"
10.2"
6.7"
3.3"
1.6"
0.3"
0.4"
1.3"
4.9"
9.8"
14.5"
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

1,417

Limited to cold-tolerant varieties

Last spring frost (32°F): 03/11
First fall frost (32°F): 11/23

Seasonal Overview

Comfort ZoneSpring49°53°20.2"Summer55°59°2.3"Fall50°58°16.0"Winter47°48°36.2"20°40°60°80°100°

National Comparison

Warmer than 42% of US counties
Wetter than 99% of US counties
More seasonal variation than 0% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Del Norte County

Climate Verdict

Del Norte County has a mild, with an average annual temperature of 52.5°F, very wet conditions receiving 74.6 inches of precipitation annually, rare extreme heat with only 0.06666666666666667 days above 90°F annually, light snow averaging 0.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 47.7°F. summers are cool, with July averaging only 58.3°F. The climate is remarkably stable year-round, with only a 11°F difference between January and July. December is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Del Norte County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Del Norte County is 6.2°F cooler than the California statewide average of 58.7°F, it is also noticeably wetter, receiving 48.8 inches more precipitation than the state average, the county experiences 58.604258296267204 fewer extreme heat days than the state average.

Climate Profile

About Del Norte County Weather

The Coolest and Wettest Northern Reach

Del Norte’s 52.5°F average is lower than the national median temperature. Its staggering 74.6 inches of rain makes it one of the wettest spots in the entire country.

A Wet Outlier in California

Del Norte receives nearly three times the 25.8-inch California rainfall average. It is also significantly cooler than the state average temperature of 58.7°F.

Cooler and Wetter than the Valley

Compared to Butte County, Del Norte is 7 degrees cooler and receives 26 more inches of rain. It features zero extreme heat days, unlike its inland neighbors.

Temperate Summers and Wet, Mild Winters

July is a cool 58.3°F, and the county records zero days of extreme heat. Winters are mild at 47.6°F, though rain is frequent and heavy throughout the season.

Prioritize Rain Gear and Dehumidifiers

With 74.6 inches of rain, high-quality waterproof clothing and moisture control for homes are essential. Air conditioning is unnecessary as the county sees zero days over 90°F.

Frequently Asked Questions

What is the average temperature in Del Norte County?
The average annual temperature in Del Norte County, CA is 52.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Del Norte County get?
Del Norte County receives an average of 74.6 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 Del Norte County?
Yes, Del Norte County receives an average of 0.0 inches of snowfall per year according to NOAA climate normals.
How hot does Del Norte County get in summer?
The average summer temperature (June-August) in Del Norte County is 57.5°F. The county experiences an average of 0 days per year above 90°F.
How cold are winters in Del Norte County?
The average winter temperature (December-February) in Del Norte County is 47.6°F. January, typically the coldest month, averages 47.7°F.

Track your own weather in Del Norte County

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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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