Rio, Wisconsin Climate
United States
Pop. 1,044 Elev. 289 m / 948 ft
TZ: America/Chicago (UTC-5) ·
Dry and warm, Rio sees July highs of 83°F (28°C) and cold January lows of 12°F (-11°C). Humidity pushes the summer feels-like temperature to 88°F (31°C), while wind chill can drive winter lows to 1°F (-17°C). Expect around 44 rainy days annually (28.3 in / 718 mm total), with snow on 6 days and 41 in (1049 mm) of annual accumulation. The city averages 110 sunny days per year and around 24 thunderstorm days. Nearby lake water reaches 77°F (25°C) in summer.
| Temperature | 83°F (28°C) high | 12°F (-11°C) low |
| Feels like | 88°F (31°C) high | 1°F (-17°C) low |
| Rain | 44 days | 28.3 in (718 mm) /yr |
| Snow | 6 days | 41.3 in (1049 mm) /yr |
| Sky | 110 sunny | 24 stormy |
| Wind | 2.7 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 (%)
51
Jan 62
Feb 61
Mar 62
Apr 56
May 61
Jun 56
Jul 50
Aug 43
Sep 46
Oct 57
Nov 77
Dec Humidity (%)
59
Jan 63
Feb 59
Mar 61
Apr 61
May 67
Jun 74
Jul 73
Aug 72
Sep 69
Oct 67
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 22 mi Dane County Regional Truax Field (MSN)
Ski resort 14 mi Cascade Mountain
National park 102 mi Pikes Peak State Park
Hospital 13 mi Columbus Community Hospital
Hiking trail 12 mi IAT - Portage Canal connection
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 28°F -2°C | 12°F -11°C | 0.0 in 0 mm | 1.5 in39 mm | 11 |
| February | 30°F -1°C | 14°F -10°C | 0.2 in 4 mm | 8.8 in223 mm | 6 |
| March | 53°F 11°C | 30°F -1°C | 3.1 in 79 mm | 8.2 in209 mm | 7 |
| April | 58°F 15°C | 38°F 3°C | 4.2 in 106 mm | 1.0 in26 mm | 5 |
| May | 68°F 20°C | 47°F 9°C | 3.6 in 91 mm | — | 11 |
| June | 80°F 27°C | 63°F 17°C | 4.3 in 109 mm | — | 8 |
| July | 83°F 28°C | 66°F 19°C | 4.9 in 125 mm | — | 12 |
| August | 78°F 26°C | 61°F 16°C | 3.3 in 83 mm | — | 12 |
| September | 75°F 24°C | 55°F 13°C | 1.7 in 42 mm | — | 13 |
| October | 64°F 18°C | 46°F 8°C | 1.4 in 35 mm | — | 13 |
| November | 47°F 8°C | 32°F 0°C | 1.0 in 26 mm | 9.8 in249 mm | 9 |
| December | 29°F -1°C | 15°F -10°C | 0.7 in 17 mm | 11.9 in303 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 6 | 0 |
| March | 7 | 2 |
| April | 5 | 3 |
| May | 11 | 2 |
| June | 8 | 6 |
| July | 12 | 4 |
| August | 12 | 5 |
| September | 13 | 2 |
| October | 13 | 0 |
| November | 9 | 0 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 33°F 1°C |
| April | 39°F 4°C |
| May | 50°F 10°C |
| June | 67°F 20°C |
| July | 77°F 25°C |
| August | 73°F 23°C |
| September | 66°F 19°C |
| October | 58°F 14°C |
| November | 44°F 7°C |
| December | 34°F 1°C |