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Ray County Climate

JanFebMarAprMayJunJulAugSepOctNovDec52.6°AVG °F

Avg Annual Temp

52.6°F

Annual Precip

42.1"

Annual Snowfall

Extreme Heat Days

34

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
1.3"
1.6"
2.7"
4.1"
6.3"
5.4"
4.9"
4.2"
4.0"
3.4"
2.4"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

3,584

Supports most vegetables & fruits

Last spring frost (32°F): 04/19
First fall frost (32°F): 10/18

Seasonal Overview

Comfort ZoneSpring42°63°13.2"Summer72°77°14.5"Fall42°67°9.8"Winter26°31°4.6"20°40°60°80°100°

National Comparison

Warmer than 42% of US counties
Wetter than 51% of US counties
More seasonal variation than 83% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Ray County

Climate Verdict

Ray County has a mild, with an average annual temperature of 52.6°F, moderately wet with 42.1 inches of annual precipitation, occasional hot days — 33.6 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 26.2°F. summers are warm — July averages 76.7°F. Residents experience a substantial 51°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Ray County closely matches the Missouri statewide average temperature of 54.9°F.

Climate Profile

About Ray County Weather

Ray County offers a cooler continental climate

The average annual temperature of 52.6°F is several degrees cooler than the national median, reflecting its position in the upper Midwest. It remains a classic continental zone with significant temperature variability throughout the year.

Below the state's average temperature mark

Ray County ranks on the cooler side of Missouri, with its 52.6°F average sitting below the state mean of 54.9°F. This makes it one of the more temperate northern counties compared to the warmer Ozark regions.

Matching the precipitation of regional neighbors

The county sees 42.1 inches of annual precipitation, which is nearly identical to Saline County’s 42.2 inches. This consistent moisture supports the local agriculture that defines the surrounding landscape.

Hot summers despite the cooler annual average

Ray County faces 34 extreme heat days per year where temperatures top 90°F. While specific snowfall data is limited for this area, winter temperatures regularly dip to a January average of 26.2°F.

Focus on high-performance heating and insulation

With winter averages below freezing, high-efficiency furnaces and attic insulation are critical for Ray County homes. Summer planning should include cooling solutions for the 34 days of intense heat that typically arrive between June and August.

Frequently Asked Questions

What is the average temperature in Ray County?
The average annual temperature in Ray County, MO is 52.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Ray County get?
Ray County receives an average of 42.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Ray County get in summer?
The average summer temperature (June-August) in Ray County is 74.4°F. The county experiences an average of 34 days per year above 90°F.
How cold are winters in Ray County?
The average winter temperature (December-February) in Ray County is 29.5°F. January, typically the coldest month, averages 26.2°F.

Track your own weather in Ray 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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