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Historical Weather in Edison, NJ

See 55+ years of weather history for any date in Edison going back to 1970.

Part of New Jersey weather history · New Jersey temperature records

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Searching weather history for Edison, NJ

Today in Edison Weather HistorySee records, averages, and 55+ years of data for today's date

Monthly Climate Averages

Historical temperature and precipitation averages for Edison, NJ, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 86°F / Low: 65°F
Coldest MonthJanuaryAvg High: 39°F / Low: 23°F
Jan
39°/ 23°
💧 9.5"
❄️ 2.0"
Feb
42°/ 25°
💧 8.5"
❄️ 2.6"
Mar
51°/ 32°
💧 10.3"
❄️ 2.2"
Apr
62°/ 41°
💧 8.9"
❄️ 2.1"
May
73°/ 51°
💧 9.4"
Jun
81°/ 59°
💧 10.0"
Jul
86°/ 65°
💧 13.4"
Aug
84°/ 64°
💧 12.1"
❄️ 1.1"
Sep
77°/ 56°
💧 12.9"
❄️ 3.5"
Oct
66°/ 45°
💧 11.4"
❄️ 1.5"
Nov
55°/ 36°
💧 10.6"
❄️ 1.5"
Dec
44°/ 28°
💧 10.3"
❄️ 1.9"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Edison, NJ Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Edison, NJ Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"6.7"13.4"JFMAMJJASOND3.5"0"
Rain (in) Snow (in)

Edison, NJ Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Growing Season & Frost in Edison, NJ

Based on the dates the average overnight low reaches freezing (32°F / 0°C), from 50+ years of NOAA station data.

253 days
Growing season
March 24
Last spring freeze
December 2
First fall freeze
110
Freezing days / yr
Freeze risk by month
100%
Jan
100%
Feb
66%
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
97%
Dec

Hours of Daylight in Edison, NJ

Day length across the year at 40.5°N latitude. Computed from solar geometry.

14h 54m
Longest day · Jun 21
9h 6m
Shortest day · Dec 21
5h 48m
Annual swing
12h (equinox ≈ 11h 57m)JanFebMarAprMayJunJulAugSepOctNovDec

Best Time to Visit Edison, NJ

Edison, NJ has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Edison Temperature Records

  • Record High: The hottest temperature ever recorded in Edison, NJ is 108°F, set on July 22, 2011.
  • Record Low: The coldest temperature ever recorded in Edison, NJ is -15°F, set on February 18, 1979.
  • Data Coverage: Based on 57 years of data from NOAA weather station: NEW BRUNSWICK 3 SE.

All-Time Record High

108°F
July 22, 2011

All-Time Record Low

-15°F
February 18, 1979

Monthly Temperature Records in Edison

MonthRecord HighRecord Low
January73°F(2007)-15°F(1981)
February80°F(2018)-15°F(1979)
March89°F(1998)-1°F(1978)
April97°F(2002)16°F(1982)
May99°F(1996)25°F(1986)
June103°F(2011)36°F(1986)
July108°F(2011)44°F(1971)
August105°F(2001)39°F(1976)
September100°F(2015)30°F(2000)
October96°F(2019)19°F(1972)
November83°F(2024)9°F(2018)
December76°F(1998)-8°F(1980)
New Jersey State RecordsSee all-time records for the entire state
Edison Snow RecordsSee the top 10 snowiest days ever recorded
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