Pewaukee, Wisconsin Climate
United States
Pop. 8,208 Elev. 267 m / 876 ft
TZ: America/Chicago (UTC-5) ·
Dry and warm, Pewaukee sees July highs of 83°F (28°C) and cold January lows of 14°F (-10°C). Humidity pushes the summer feels-like temperature to 90°F (32°C), while wind chill can drive winter lows to 4°F (-16°C). Expect around 45 rainy days annually (28.3 in / 718 mm total), with snow on 7 days and 38 in (977 mm) of annual accumulation. The city averages 116 sunny days per year and around 25 thunderstorm days. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 83°F (29°C) high | 14°F (-10°C) low |
| Feels like | 90°F (32°C) high | 4°F (-16°C) low |
| Rain | 45 days | 28.3 in (718 mm) /yr |
| Snow | 7 days | 38.5 in (977 mm) /yr |
| Sky | 116 sunny | 25 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Sep, Oct
Sky & Air by Month
Cloud cover (%)
50
Jan 63
Feb 61
Mar 64
Apr 61
May 57
Jun 56
Jul 46
Aug 38
Sep 45
Oct 57
Nov 75
Dec Humidity (%)
58
Jan 62
Feb 60
Mar 60
Apr 64
May 66
Jun 72
Jul 72
Aug 71
Sep 70
Oct 67
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 21 mi General Mitchell International Airport (MKE)
Ski resort 4 mi Ausblick Ski Hill
National park 101 mi Pullman National Historical Park
Hospital 2 mi Froedtert Community Hospital - Pewaukee
Hiking trail 5 mi IAT - Hartland-Merton connection
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 14°F -10°C | 0.0 in 0 mm | 2.2 in55 mm | 12 |
| February | 32°F 0°C | 17°F -9°C | 0.2 in 5 mm | 8.5 in216 mm | 6 |
| March | 53°F 11°C | 32°F 0°C | 3.0 in 75 mm | 8.2 in208 mm | 8 |
| April | 58°F 14°C | 40°F 4°C | 2.3 in 58 mm | 0.8 in21 mm | 5 |
| May | 65°F 18°C | 47°F 9°C | 3.6 in 91 mm | — | 9 |
| June | 81°F 27°C | 63°F 17°C | 3.5 in 90 mm | — | 8 |
| July | 83°F 29°C | 67°F 19°C | 4.8 in 121 mm | — | 11 |
| August | 78°F 26°C | 62°F 17°C | 4.6 in 117 mm | — | 16 |
| September | 75°F 24°C | 56°F 13°C | 2.6 in 65 mm | — | 16 |
| October | 64°F 18°C | 48°F 9°C | 1.4 in 36 mm | — | 13 |
| November | 47°F 9°C | 34°F 1°C | 1.1 in 27 mm | 9.2 in232 mm | 9 |
| December | 32°F 0°C | 17°F -8°C | 1.3 in 33 mm | 9.6 in245 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 6 | 0 |
| March | 8 | 2 |
| April | 5 | 2 |
| May | 9 | 0 |
| June | 8 | 3 |
| July | 11 | 6 |
| August | 16 | 6 |
| September | 16 | 5 |
| October | 13 | 0 |
| November | 9 | 0 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 39°F 4°C | 33°F 1°C |
| February | 35°F 2°C | 32°F 0°C |
| March | 36°F 2°C | 35°F 2°C |
| April | 40°F 5°C | 43°F 6°C |
| May | 47°F 8°C | 51°F 11°C |
| June | 64°F 18°C | 64°F 18°C |
| July | 73°F 23°C | 73°F 23°C |
| August | 72°F 22°C | 72°F 22°C |
| September | 68°F 20°C | 66°F 19°C |
| October | 66°F 19°C | 58°F 14°C |
| November | 52°F 11°C | 43°F 6°C |
| December | 43°F 6°C | 34°F 1°C |