ClimateAverages

Edison Climate

New Jersey, United States of America · population 102,548 · 584 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
16.8°C
Warmest month · July
29.4°C
Typical daytime high
Coldest month · January
-6.2°C
Typical overnight low

Edison has an average annual daytime high of 16.8°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 29.4°C, and its coldest is January, with overnight lows near -6.2°C.

Month by month averages

MonthAvg highAvg low
January3.3°C-6.2°CColdest
February4.7°C-5.6°C
March9.5°C-1.2°C
April16.4°C3.9°C
May22.1°C9.3°C
June26.9°C14.4°C
July29.4°C17.1°CWarmest
August28.5°C16.6°C
September24.8°C12.6°C
October18.6°C6.2°C
November12.0°C1.6°C
December5.3°C-3.9°C

Temperature range across the year

-8°2°12°22°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.4°C vs. 1951–1980
Coldest year on record
1783
-2.5°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Edison getting hotter?

Since 1900, Edison's average temperature has risen by +2.0°C. Compared to the earliest station records that begin in 1750, warming totals +2.6°C.

10.5°11.2°11.8°12.5°13.1°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Edison?

Edison's average annual daytime high is 16.8°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 29.4°C, and the coldest is January, with lows averaging -6.2°C.

What is the warmest month in Edison?

July is the warmest month in Edison, with typical daytime highs of 29.4°C.

What is the hottest year on record for Edison?

2011 is the hottest year on record for Edison, running +2.4°C above the 1951 to 1980 baseline.

Is Edison getting hotter?

Yes. Since 1900, Edison has warmed by roughly +2.0°C.

When is the best time to visit Edison?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.