The Bronx climate: monthly averages: annual mean temperature 11.1 C; warmest month Jul (24.0 C); coldest month Jan (-2.2 C).
Annual mean temperature: 11.1 C
Warmest month: Jul (24.0 C)
Coldest month: Jan (-2.2 C)
Wettest month: Oct (3.93 mm/day)
All-time record high: 38.7 C
All-time record low: -23.6 C
The Bronx has a long-term climate with an annual mean temperature of **11.1°C**, peaking in July at **24.0°C** and dropping to **-2.2°C** in January, alongside **1,234 mm of rain yearly**. Winters are cold but rarely extreme, while summers are warm but not scorching. Rainfall is fairly even, though October is the wettest month at **3.93 mm/day**. Extreme temperatures have ranged from **-23.6°C** to **38.7°C**.
Annual mean temperature 11.1 C
Warmest month Jul (24.0 C)
Coldest month Jan (-2.2 C)
Wettest month Oct (3.93 mm/day)
All-time record high 38.7 C
All-time record low -23.6 C
Annual precipitation 1,234 mm / year
Coordinates 40.84985, -73.86641
Population 1,385,108
Average monthly temperature and rainfall in The Bronx
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
-2.2
2.61
18.9
-20.9
Feb
-1.1
2.88
20.2
-23.6
Mar
2.9
3.24
22.1
-20.0
Apr
9.1
3.41
32.4
-5.2
May
15.0
3.15
30.2
0.8
Jun
20.4
3.91
33.8
5.5
Jul
24.0
3.51
38.6
11.3
Aug
23.4
3.69
38.7
11.7
Sep
19.7
3.50
34.8
5.7
Oct
12.9
3.93
33.1
-3.3
Nov
6.5
3.02
23.3
-12.0
Dec
1.2
3.74
20.6
-16.0
What the The Bronx climate table shows
Values are multi-decadal climatological averages for the 40.84985, -73.86641 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
**What’s the Bronx’s warmest month?**?
July averages **24.0°C**, the highest monthly mean temperature in the area.
**How much rain does the Bronx get annually?**?
The borough receives about **1,234 mm of rain per year**, with October being the wettest month.