weatherbycounty

King County Climate

JanFebMarAprMayJunJulAugSepOctNovDec62.5°AVG °F

Avg Annual Temp

62.5°F

Annual Precip

23.6"

Annual Snowfall

3.3"

Extreme Heat Days

114

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.9"
1.1"
1.5"
2.2"
3.1"
3.3"
2.1"
2.6"
2.7"
1.9"
1.3"
1.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8a

Minimum winter temperature range for plant survival

Growing Degree Days

5,565

Excellent for heat-loving crops

Last spring frost (32°F): 04/05
First fall frost (32°F): 11/03

Seasonal Overview

Comfort ZoneSpring53°71°6.7"Summer80°83°8.0"Fall51°74°5.9"Winter41°45°3.0"20°40°60°80°100°

National Comparison

Warmer than 80% of US counties
Wetter than 19% of US counties
More seasonal variation than 46% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: King County

Climate Verdict

King County has a warm, averaging 62.5°F year-round, semi-arid conditions with only 23.6 inches of annual precipitation, significant summer heat with 114.15 days annually above 90°F, light snow averaging 3.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 41.4°F. summers are hot, with July averaging 83.5°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

King County is 3.0°F cooler than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 8.3 inches less precipitation than the state average.

Climate Profile

About King County Weather

King County's Moderate Plateau Weather

King County averages 62.5°F, keeping it warmer than the U.S. median but cooler than the Texas average. It sees 23.6 inches of rain, notably less than the 31.9-inch state average.

Cooler than Central Texas

At 62.5°F, King County is three degrees cooler than the 65.5°F state average. It ranks among the more moderate counties in the Rolling Plains region.

Higher Heat than Kent County

Its 114 extreme heat days exceed Kent County's 105. However, King receives less snow than Kent, averaging 3.3 inches compared to 4.1.

Hot Summers and Chill Winters

The July average hits 83.5°F, contributing to 114 days of heat over 90°F. Winter brings a chill at 42.9°F with a reliable 3.3 inches of annual snow.

Summer Cooling and Winter Pipes

Residents should prepare for 114 days over 90°F with robust cooling and hydration. Winterize pipes before January when temperatures dip to a 41.4°F average.

Frequently Asked Questions

What is the average temperature in King County?
The average annual temperature in King County, TX is 62.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does King County get?
King County receives an average of 23.6 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 King County?
Yes, King County receives an average of 3.3 inches of snowfall per year according to NOAA climate normals.
How hot does King County get in summer?
The average summer temperature (June-August) in King County is 81.8°F. The county experiences an average of 114 days per year above 90°F.
How cold are winters in King County?
The average winter temperature (December-February) in King County is 42.9°F. January, typically the coldest month, averages 41.4°F.

Track your own weather in King 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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