ClimateAverages

Manchester Climate

New Hampshire, United States of America · population 110,229 · 661 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
14.6°C
Warmest month · July
28.1°C
Typical daytime high
Coldest month · January
-10.1°C
Typical overnight low

Manchester has an average annual daytime high of 14.6°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 28.1°C, and its coldest is January, with overnight lows near -10.1°C.

Month by month averages

MonthAvg highAvg low
January0.7°C-10.1°CColdest
February2.0°C-9.5°C
March6.6°C-4.2°C
April13.9°C1.1°C
May20.5°C6.8°C
June25.3°C12.0°C
July28.1°C14.8°CWarmest
August27.0°C14.0°C
September22.6°C9.6°C
October16.5°C3.6°C
November9.5°C-0.9°C
December2.5°C-7.5°C

Temperature range across the year

-12°-2°9°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.3°C vs. 1951–1980
Coldest year on record
1783
-2.8°C vs. 1951–1980

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

Is Manchester getting hotter?

Since 1900, Manchester's average temperature has risen by +2.1°C. Compared to the earliest station records that begin in 1750, warming totals +2.6°C.

7.8°8.5°9.1°9.8°10.5°1951–1980 baseline190019251950197520002025

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

Best time to visit
May to October

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

FAQ

What is the average temperature in Manchester?

Manchester's average annual daytime high is 14.6°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 28.1°C, and the coldest is January, with lows averaging -10.1°C.

What is the warmest month in Manchester?

July is the warmest month in Manchester, with typical daytime highs of 28.1°C.

What is the hottest year on record for Manchester?

2011 is the hottest year on record for Manchester, running +2.3°C above the 1951 to 1980 baseline.

Is Manchester getting hotter?

Yes. Since 1900, Manchester has warmed by roughly +2.1°C.

When is the best time to visit Manchester?

May 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.