Merrill, Wisconsin Climate
United States
Pop. 9,233 Elev. 393 m / 1,289 ft
TZ: America/Chicago (UTC-5) ·
Winters in Merrill are severe, with temperatures dropping to 6°F (-14°C) in January, while summers bring mild highs of 80°F (27°C) in July. Wind chill can push winter lows to -5°F (-21°C). Expect around 45 rainy days annually (28.6 in / 725 mm total), with snow on 11 days and 69 in (1752 mm) of annual accumulation. The city averages 103 sunny days per year and around 28 thunderstorm days. Nearby lake water reaches 71°F (22°C) in summer.
| Temperature | 80°F (26°C) high | 6°F (-14°C) low |
| Feels like | -5°F (-20°C) low | |
| Rain | 45 days | 28.6 in (725 mm) /yr |
| Snow | 11 days | 69.0 in (1752 mm) /yr |
| Sky | 103 sunny | 28 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Aug, Oct
Sky & Air by Month
Cloud cover (%)
62
Jan 68
Feb 67
Mar 64
Apr 48
May 66
Jun 50
Jul 54
Aug 57
Sep 49
Oct 58
Nov 78
Dec Humidity (%)
64
Jan 67
Feb 58
Mar 59
Apr 55
May 71
Jun 73
Jul 75
Aug 77
Sep 72
Oct 69
Nov 78
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
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Nearby
Commercial airport 28 mi Central Wisconsin Airport (CWA)
Ski resort 18 mi Granite Peak Ski Area
National park 131 mi Frog Bay Tribal National Park
Hospital 0 mi Aspirus Merrill Hospital
Hiking trail 9 mi IAT - Underdown-Grandfather Falls connection
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 23°F -5°C | 6°F -14°C | 0.0 in 0 mm | 4.6 in117 mm | 7 |
| February | 26°F -3°C | 7°F -14°C | 0.1 in 1 mm | 11.8 in300 mm | 5 |
| March | 46°F 8°C | 25°F -4°C | 2.8 in 71 mm | 22.7 in578 mm | 7 |
| April | 54°F 12°C | 34°F 1°C | 3.9 in 98 mm | 4.0 in103 mm | 6 |
| May | 68°F 20°C | 45°F 7°C | 1.4 in 36 mm | — | 15 |
| June | 75°F 24°C | 57°F 14°C | 7.5 in 192 mm | — | 7 |
| July | 80°F 26°C | 61°F 16°C | 4.7 in 119 mm | — | 12 |
| August | 75°F 24°C | 56°F 14°C | 2.3 in 57 mm | — | 9 |
| September | 71°F 22°C | 52°F 11°C | 3.2 in 81 mm | — | 11 |
| October | 61°F 16°C | 42°F 6°C | 1.5 in 38 mm | — | 13 |
| November | 41°F 5°C | 28°F -2°C | 0.9 in 24 mm | 7.0 in179 mm | 8 |
| December | 25°F -4°C | 10°F -12°C | 0.3 in 9 mm | 18.7 in475 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 7 | 0 |
| February | 5 | 0 |
| March | 7 | 2 |
| April | 6 | 2 |
| May | 15 | 1 |
| June | 7 | 8 |
| July | 12 | 7 |
| August | 9 | 3 |
| September | 11 | 3 |
| October | 13 | 2 |
| 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 | 32°F 0°C |
| April | 36°F 2°C |
| May | 52°F 11°C |
| June | 63°F 17°C |
| July | 71°F 22°C |
| August | 68°F 20°C |
| September | 60°F 16°C |
| October | 53°F 11°C |
| November | 35°F 2°C |
| December | 32°F 0°C |