Capitol Planning Region Climate

Name: Capitol Planning Region Climate Normals
Creator: NOAA National Centers for Environmental Information
License: https://www.usa.gov/government-works

Capitol Planning Region, Connecticut

NOAA NCEI 1991-2020 Climate Normals

Avg Annual Temp

49.0°F

Annual Precip

48.8"

Annual Snowfall

—

Extreme Heat Days

days >= 90°F/yr

Monthly Temperature

Precipitation Calendar

Dry

Wet

3.4"

3.1"

3.7"

4.4"

4.0"

4.7"

4.2"

3.8"

4.5"

4.9"

3.8"

4.4"

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seasonal Overview

National Comparison

Warmer than 27% of US counties

Wetter than 72% of US counties

More seasonal variation than 73% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Capitol Planning Region

Climate Verdict

Capitol Planning Region has a cool, averaging 49.0°F annually, moderately wet with 48.8 inches of annual precipitation, rare extreme heat with only 15.899999999999999 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 24.9°F. summers are warm — July averages 72.6°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

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

Frequently Asked Questions

What is the average temperature in Capitol Planning Region?

The average annual temperature in Capitol Planning Region, CT is 49.0°F, based on NOAA 30-year climate normals (1991-2020).

How much rain does Capitol Planning Region get?

Capitol Planning Region receives an average of 48.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.

How hot does Capitol Planning Region get in summer?

The average summer temperature (June-August) in Capitol Planning Region is 70.2°F. The county experiences an average of 16 days per year above 90°F.

How cold are winters in Capitol Planning Region?

The average winter temperature (December-February) in Capitol Planning Region is 27.5°F. January, typically the coldest month, averages 24.9°F.

Track your own weather in Capitol Planning Region

Ambient Weather personal weather stations give you hyperlocal climate data.

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Other Counties in Connecticut

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Lower Connecticut River Valley Planning Region

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Naugatuck Valley Planning Region

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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 May 14, 2026Reviewed by Evan Brooks, Data Editor

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