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Southeastern Connecticut Planning Region Climate

Southeastern Connecticut Planning Region, Connecticut

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec50.7°AVG °F

Avg Annual Temp

50.7°F

Annual Precip

49.7"

Annual Snowfall

34.5"

Extreme Heat Days

4

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.0"
3.6"
5.3"
4.5"
3.6"
3.9"
3.2"
4.0"
4.2"
4.6"
4.2"
4.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring38°57°13.3"Summer66°72°11.0"Fall44°64°13.0"Winter30°35°12.4"20°40°60°80°100°

National Comparison

Warmer than 33% of US counties
Wetter than 75% of US counties
More seasonal variation than 45% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Southeastern Connecticut Planning Region

Climate Verdict

Southeastern Connecticut Planning Region has a mild, with an average annual temperature of 50.7°F, moderately wet with 49.7 inches of annual precipitation, rare extreme heat with only 4.4 days above 90°F annually, moderate snowfall of 34.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 29.9°F. summers are warm — July averages 71.9°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Southeastern Connecticut Planning Region. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Southeastern Connecticut Planning Region closely matches the Connecticut statewide average temperature of 50.4°F.

Frequently Asked Questions

What is the average temperature in Southeastern Connecticut Planning Region?
The average annual temperature in Southeastern Connecticut Planning Region, CT is 50.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Southeastern Connecticut Planning Region get?
Southeastern Connecticut Planning Region receives an average of 49.7 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 Southeastern Connecticut Planning Region?
Yes, Southeastern Connecticut Planning Region receives an average of 34.5 inches of snowfall per year according to NOAA climate normals.
How hot does Southeastern Connecticut Planning Region get in summer?
The average summer temperature (June-August) in Southeastern Connecticut Planning Region is 69.4°F. The county experiences an average of 4 days per year above 90°F.
How cold are winters in Southeastern Connecticut Planning Region?
The average winter temperature (December-February) in Southeastern Connecticut Planning Region is 32.2°F. January, typically the coldest month, averages 29.9°F.

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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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