weatherbycounty

Assumption Parish Climate

Assumption Parish, Louisiana

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec68.2°AVG °F

Avg Annual Temp

68.2°F

Annual Precip

63.4"

Annual Snowfall

0.1"

Extreme Heat Days

80

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.8"
4.1"
4.0"
4.9"
5.6"
7.0"
6.5"
6.4"
5.4"
4.7"
4.2"
4.9"
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

6,896

Excellent for heat-loving crops

Last spring frost (32°F): 02/21
First fall frost (32°F): 12/05

Seasonal Overview

Comfort ZoneSpring62°75°14.6"Summer80°82°19.9"Fall60°78°14.3"Winter52°56°14.8"20°40°60°80°100°

National Comparison

Warmer than 95% of US counties
Wetter than 98% of US counties
More seasonal variation than 6% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Assumption Parish

Climate Verdict

Assumption Parish has a warm, averaging 68.2°F year-round, very wet conditions receiving 63.4 inches of precipitation annually, significant summer heat with 79.9 days annually above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 51.9°F. summers are hot, with July averaging 82.1°F. The 30°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Assumption Parish closely matches the Louisiana statewide average temperature of 67.0°F, it is somewhat wetter than average for Louisiana.

Climate Profile

About Assumption Parish Weather

Consistently Warm and Humid

With an average annual temperature of 68.2°F, Assumption Parish is far warmer than the national average. It experiences a classic southern climate with heavy rainfall and mild winters.

Warmer Than the State Average

Assumption stays warmer than the Louisiana state average of 67.0°F. It also receives 63.4 inches of rain, which is several inches above the state norm.

Tracking Regional Weather Patterns

Assumption's 68.2°F average temperature matches Acadia Parish exactly. It records slightly less rain than Ascension Parish, which sees 65.7 inches per year.

Mild Winters and 80 Heat Days

The parish sees 80 days a year with temperatures reaching 90°F or more. Winter is exceptionally mild, averaging 53.9°F with only a trace of snow at 0.1 inches.

Planning for the Swampy Heat

The combination of 80 heat days and 63.4 inches of rain makes dehumidification a priority for indoor spaces. Lightweight, breathable clothing is the standard for most of the year.

Frequently Asked Questions

What is the average temperature in Assumption Parish?
The average annual temperature in Assumption Parish, LA is 68.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Assumption Parish get?
Assumption Parish receives an average of 63.4 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 Assumption Parish?
Yes, Assumption Parish receives an average of 0.1 inches of snowfall per year according to NOAA climate normals.
How hot does Assumption Parish get in summer?
The average summer temperature (June-August) in Assumption Parish is 81.5°F. The county experiences an average of 80 days per year above 90°F.
How cold are winters in Assumption Parish?
The average winter temperature (December-February) in Assumption Parish is 53.9°F. January, typically the coldest month, averages 51.9°F.

Track your own weather in Assumption Parish

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Louisiana