ClimateAverages

Appleton Climate

Wisconsin, United States of America · population 74,139 · 317 weather stations within 200 km · records 1788 to 2025

Average annual daytime high
12.5°C
Warmest month · July
27.5°C
Typical daytime high
Coldest month · January
-14.0°C
Typical overnight low

Appleton has an average annual daytime high of 12.5°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 27.5°C, and its coldest is January, with overnight lows near -14.0°C.

Month by month averages

MonthAvg highAvg low
January-4.5°C-14.0°CColdest
February-1.9°C-12.3°C
March3.7°C-6.5°C
April12.7°C0.9°C
May20.0°C6.8°C
June24.9°C12.0°C
July27.5°C14.7°CWarmest
August26.4°C13.9°C
September21.6°C9.3°C
October15.1°C3.6°C
November6.1°C-3.0°C
December-1.4°C-9.9°C

Temperature range across the year

-16°-5°7°18°29°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+3.0°C vs. 1951–1980
Coldest year on record
1842
-2.8°C vs. 1951–1980

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

Is Appleton getting hotter?

Since 1900, Appleton's average temperature has risen by +2.2°C. Compared to the earliest station records that begin in 1788, warming totals +2.5°C.

6.2°6.9°7.6°8.3°8.9°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 Appleton?

Appleton's average annual daytime high is 12.5°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 27.5°C, and the coldest is January, with lows averaging -14.0°C.

What is the warmest month in Appleton?

July is the warmest month in Appleton, with typical daytime highs of 27.5°C.

What is the hottest year on record for Appleton?

2011 is the hottest year on record for Appleton, running +3.0°C above the 1951 to 1980 baseline.

Is Appleton getting hotter?

Yes. Since 1900, Appleton has warmed by roughly +2.2°C.

When is the best time to visit Appleton?

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.