weatherbycounty

Bronx County Climate

JanFebMarAprMayJunJulAugSepOctNovDec55.8°AVG °F

Avg Annual Temp

55.8°F

Annual Precip

49.9"

Annual Snowfall

Extreme Heat Days

23

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.7"
3.2"
4.4"
4.0"
4.1"
4.5"
4.4"
4.8"
4.5"
4.1"
3.5"
4.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

3,914

Supports most vegetables & fruits

Last spring frost (32°F): 04/01
First fall frost (32°F): 11/16

Seasonal Overview

Comfort ZoneSpring42°63°12.4"Summer73°78°13.7"Fall48°70°12.1"Winter34°39°11.6"20°40°60°80°100°

National Comparison

Warmer than 55% of US counties
Wetter than 75% of US counties
More seasonal variation than 59% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Bronx County

Climate Verdict

Bronx County has a mild, with an average annual temperature of 55.8°F, moderately wet with 49.9 inches of annual precipitation, occasional hot days — 22.5 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 33.5°F. summers are warm — July averages 78.3°F. The 45°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Bronx County is 8.3°F warmer than the New York statewide average of 47.5°F, it is also noticeably wetter, receiving 6.5 inches more precipitation than the state average, the county experiences 15.56981116584565 more extreme heat days than the state average.

Climate Profile

About Bronx County Weather

An Urban Heat Island in the Bronx

The Bronx is warmer than the national average, posting an annual mean temperature of 55.8°F. This urban environment creates a microclimate that is much milder than the rural Northeast.

Far Warmer Than the Empire State Average

The Bronx is significantly warmer than the state average of 47.4°F, a difference of over eight degrees. It represents the warmer, coastal tail of New York's diverse climate spectrum.

Warmer and Wetter Than Upstate Peers

With 49.9 inches of annual precipitation, the Bronx is much wetter than Chemung County’s 35.3 inches. Its 23 extreme heat days far outpace any of the other counties in this regional analysis.

Intense Summer Heat and Mild Winters

July averages a warm 78.3°F, with 23 days a year hitting 90°F or higher. Winters are relatively mild for New York, with a January average of 33.5°F, though specific snowfall data is currently unavailable.

Prioritize Cooling and Storm Prep

High-efficiency air conditioning is a must for the frequent 90°F summer days. Residents should also prepare for heavy rainfall, as the county receives nearly 50 inches of precipitation annually.

Frequently Asked Questions

What is the average temperature in Bronx County?
The average annual temperature in Bronx County, NY is 55.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Bronx County get?
Bronx County receives an average of 49.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Bronx County get in summer?
The average summer temperature (June-August) in Bronx County is 75.8°F. The county experiences an average of 23 days per year above 90°F.
How cold are winters in Bronx County?
The average winter temperature (December-February) in Bronx County is 36.0°F. January, typically the coldest month, averages 33.5°F.

Track your own weather in Bronx 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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