Watertown, Wisconsin Climate
United States
Pop. 23,819 Elev. 262 m / 860 ft
TZ: America/Chicago (UTC-5) ·
Watertown is largely arid, with warm summers peaking at 83°F (28°C) in July and cold winters around 13°F (-11°C) in January. Humidity pushes the summer feels-like temperature to 89°F (32°C), while wind chill can drive winter lows to 3°F (-16°C). Precipitation occurs on roughly 41 days per year (26.5 in / 673 mm total), with snow on 7 days and 39 in (990 mm) of annual accumulation. The city averages 108 sunny days per year and around 22 thunderstorm days. Nearby lake water reaches 77°F (25°C) in summer.
| Temperature | 83°F (28°C) high | 13°F (-11°C) low |
| Feels like | 89°F (32°C) high | 3°F (-16°C) low |
| Rain | 41 days | 26.5 in (673 mm) /yr |
| Snow | 7 days | 39.0 in (990 mm) /yr |
| Sky | 108 sunny | 22 stormy |
| Wind | 2.5 mph (1.1 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 (%)
52
Jan 62
Feb 60
Mar 63
Apr 58
May 59
Jun 56
Jul 48
Aug 41
Sep 46
Oct 57
Nov 77
Dec Humidity (%)
60
Jan 63
Feb 59
Mar 61
Apr 61
May 67
Jun 73
Jul 73
Aug 72
Sep 70
Oct 68
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 31 mi Dane County Regional Truax Field (MSN)
Ski resort 21 mi Heiliger Huegel Ski Club
National park 118 mi Pullman National Historical Park
Hospital 2 mi Watertown Regional Medical Center
Hiking trail 19 mi IAT - Waterville connection
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 28°F -2°C | 13°F -11°C | 0.0 in 0 mm | 2.0 in50 mm | 11 |
| February | 31°F -1°C | 15°F -9°C | 0.2 in 4 mm | 8.6 in219 mm | 6 |
| March | 53°F 12°C | 31°F -1°C | 2.9 in 73 mm | 7.8 in198 mm | 7 |
| April | 58°F 15°C | 39°F 4°C | 2.6 in 66 mm | 0.9 in23 mm | 6 |
| May | 67°F 20°C | 48°F 9°C | 3.1 in 79 mm | — | 8 |
| June | 80°F 27°C | 63°F 17°C | 4.2 in 106 mm | — | 7 |
| July | 83°F 28°C | 66°F 19°C | 3.7 in 95 mm | — | 11 |
| August | 78°F 26°C | 61°F 16°C | 4.8 in 121 mm | — | 14 |
| September | 75°F 24°C | 55°F 13°C | 2.0 in 50 mm | — | 14 |
| October | 64°F 18°C | 47°F 8°C | 1.3 in 32 mm | — | 13 |
| November | 47°F 8°C | 32°F 0°C | 0.9 in 23 mm | 9.1 in230 mm | 8 |
| December | 30°F -1°C | 16°F -9°C | 0.9 in 24 mm | 10.6 in269 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 6 | 0 |
| March | 7 | 2 |
| April | 6 | 2 |
| May | 8 | 1 |
| June | 7 | 2 |
| July | 11 | 5 |
| August | 14 | 6 |
| September | 14 | 4 |
| October | 13 | 0 |
| November | 8 | 0 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 36°F 2°C |
| April | 46°F 8°C |
| May | 56°F 13°C |
| June | 69°F 21°C |
| July | 77°F 25°C |
| August | 72°F 22°C |
| September | 65°F 18°C |
| October | 58°F 14°C |
| November | 42°F 5°C |
| December | 32°F 0°C |