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Montgomery County Climate

Montgomery County, Texas

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec68.7°AVG °F

Avg Annual Temp

68.7°F

Annual Precip

49.3"

Annual Snowfall

0.0"

Extreme Heat Days

107

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.3"
3.2"
3.3"
3.6"
4.8"
4.7"
3.3"
3.8"
3.9"
5.4"
4.9"
4.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9a

Minimum winter temperature range for plant survival

Growing Degree Days

7,105

Excellent for heat-loving crops

Last spring frost (32°F): 03/11
First fall frost (32°F): 12/02

Seasonal Overview

Comfort ZoneSpring62°76°11.7"Summer82°84°11.7"Fall60°79°14.3"Winter52°55°11.6"20°40°60°80°100°

National Comparison

Warmer than 96% of US counties
Wetter than 73% of US counties
More seasonal variation than 9% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Montgomery County

Climate Verdict

Montgomery County has a warm, averaging 68.7°F year-round, moderately wet with 49.3 inches of annual precipitation, significant summer heat with 106.7 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 51.5°F. summers are hot, with July averaging 83.8°F. The 32°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

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

Regional Context

Montgomery County is 3.2°F warmer than the Texas statewide average of 65.5°F, it is also noticeably wetter, receiving 17.5 inches more precipitation than the state average.

Climate Profile

About Montgomery County Weather

A Very Warm and Rainy Climate

Montgomery's average temperature of 68.7°F is significantly higher than the 53°F national median. It is a very wet county, receiving 49.3 inches of rain annually.

Exceeding State Averages in Every Way

The county is warmer than the 65.5°F Texas average and much wetter than the state's 31.9-inch rainfall average. It is one of the more humid and rain-prone areas in the state.

Wetter and Warmer than Morris County

Montgomery receives about 2 more inches of rain than Morris County to the north. It also experiences 107 days of extreme heat compared to Morris's 96 days.

Muggy Summers and Very Mild Winters

Summers are intense with 107 days over 90°F and no recorded snowfall. Winters are quite warm, with the December-February average reaching 53.3°F.

Prioritizing Drainage and Cooling

Homeowners must focus on mold prevention and drainage due to the 49.3-inch annual rainfall. Expect high energy usage to stay comfortable during the 107 extreme heat days.

Frequently Asked Questions

What is the average temperature in Montgomery County?
The average annual temperature in Montgomery County, TX is 68.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Montgomery County get?
Montgomery County receives an average of 49.3 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 Montgomery County?
Montgomery County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Montgomery County get in summer?
The average summer temperature (June-August) in Montgomery County is 83.1°F. The county experiences an average of 107 days per year above 90°F.
How cold are winters in Montgomery County?
The average winter temperature (December-February) in Montgomery County is 53.3°F. January, typically the coldest month, averages 51.5°F.

Track your own weather in Montgomery 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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