ClimateAverages

Parsippany Climate

New Jersey, United States of America · population 51,144 · 604 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
16.1°C
Warmest month · July
28.9°C
Typical daytime high
Coldest month · January
-7.3°C
Typical overnight low

Parsippany has an average annual daytime high of 16.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 28.9°C, and its coldest is January, with overnight lows near -7.3°C.

Month by month averages

MonthAvg highAvg low
January2.4°C-7.3°CColdest
February3.8°C-6.7°C
March8.7°C-2.1°C
April15.8°C3.1°C
May21.7°C8.5°C
June26.4°C13.6°C
July28.9°C16.3°CWarmest
August28.0°C15.7°C
September24.2°C11.7°C
October18.0°C5.3°C
November11.2°C0.7°C
December4.4°C-4.9°C

Temperature range across the year

-9°1°11°21°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.4°C vs. 1951–1980
Coldest year on record
1783
-2.7°C vs. 1951–1980

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

Is Parsippany getting hotter?

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

9.7°10.3°11.0°11.6°12.3°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 Parsippany?

Parsippany's average annual daytime high is 16.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 28.9°C, and the coldest is January, with lows averaging -7.3°C.

What is the warmest month in Parsippany?

July is the warmest month in Parsippany, with typical daytime highs of 28.9°C.

What is the hottest year on record for Parsippany?

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

Is Parsippany getting hotter?

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

When is the best time to visit Parsippany?

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.