Brooklyn Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Brooklyn, New York City during each month of the year.

The average high and low temperatures are listed below monthly and annually for the NYC borough on Long Island, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Brooklyn, scroll down farther. There are also monthly and yearly counts of days with cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1991 to 2020.

Average Brooklyn temperatures
High °F Low °F   High °C Low °C
40 28 January 4 -3
42 29 February 6 -2
50 35 March 10 2
61 45 April 16 7
71 54 May 21 12
79 64 June 26 18
85 70 July 29 21
83 69 August 29 21
77 62 September 25 17
65 51 October 18 11
54 41 November 12 5
45 33 December 7 1
63 49 Year 17 9

Days of Hot Weather in Brooklyn

Most summer days in Brooklyn heat up into the 80s Fahrenheit and several top 90 degrees. Temperatures of 100 °F (38 °C) or more are rare here, happening only about once a decade.

Number of days in Brooklyn of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 1 0 0
April 5 1 0
May 14 5 1
June 27 16 3
July 31 24 6
August 31 24 4
September 25 10 1
October 9 1 0
November 1 0 0
December 0 0 0
Year 143 80 14

How Often Brooklyn Has Cold Temperatures

Brooklyn typically has 66 frosty nights a year that show up from November until April. The two or three coldest winter nights of the year drop down to between 0 and 10 degrees (-18 to -12 °C).

On an average of 15 days annually the thermometer never rises above freezing. Days that chilly usually occur during December, January and February.

Days per month on average in Brooklyn when the minimum temperature drops to 32 or 20 °F and below
  20 °F
-8 °C
32 °F
0 °C
January 7 20
February 5 18
March 2 11
April 0 1
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 3
December 3 13
Year 16 66
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

New York Temperatures
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