Clear Lake, Iowa Climate
United States
Pop. 7,590 Elev. 376 m / 1,234 ft
TZ: America/Chicago (UTC-5) ·
Clear Lake has harsh winters with January lows averaging 10°F (-12°C), and mild summers with July highs of 82°F (28°C). Humidity pushes the summer feels-like temperature to 89°F (32°C), while wind chill can drive winter lows to -1°F (-18°C). Rain falls on about 47 days per year (35.1 in / 892 mm total), with snow on 5 days and 43 in (1095 mm) of annual accumulation. The city averages 126 sunny days per year and around 37 thunderstorm days.
| Temperature | 82°F (28°C) high | 10°F (-12°C) low |
| Feels like | 89°F (32°C) high | -1°F (-18°C) low |
| Rain | 47 days | 35.1 in (892 mm) /yr |
| Snow | 5 days | 43.1 in (1095 mm) /yr |
| Sky | 126 sunny | 37 stormy |
| Wind | 3.0 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 56
Feb 49
Mar 64
Apr 47
May 57
Jun 55
Jul 55
Aug 51
Sep 45
Oct 59
Nov 76
Dec Humidity (%)
61
Jan 64
Feb 60
Mar 57
Apr 56
May 71
Jun 79
Jul 80
Aug 72
Sep 66
Oct 69
Nov 81
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 3 mi Mason City Municipal Airport (MCW)
Ski resort 76 mi Mount Kato Ski Area
National park 110 mi Effigy Mounds National Monument
Mountain peak
(20,733 ft) 304 mi Norris Hill
Hospital 1 mi Mercy Family Clinic - Clear Lake
Hiking trail 10 mi Lime Creek Conservation Area Trail Network
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 10°F -12°C | 0.0 in 0 mm | 1.0 in26 mm | 13 |
| February | 29°F -2°C | 12°F -11°C | 0.0 in 1 mm | 5.6 in142 mm | 11 |
| March | 54°F 12°C | 30°F -1°C | 3.0 in 76 mm | 16.9 in431 mm | 14 |
| April | 61°F 16°C | 39°F 4°C | 5.2 in 133 mm | 0.7 in18 mm | 5 |
| May | 71°F 22°C | 50°F 10°C | 3.1 in 79 mm | — | 16 |
| June | 81°F 27°C | 63°F 17°C | 7.4 in 187 mm | — | 9 |
| July | 82°F 28°C | 66°F 19°C | 7.0 in 177 mm | — | 11 |
| August | 78°F 26°C | 61°F 16°C | 3.9 in 100 mm | — | 8 |
| September | 77°F 25°C | 56°F 13°C | 1.9 in 47 mm | — | 11 |
| October | 65°F 18°C | 47°F 8°C | 2.2 in 55 mm | — | 15 |
| November | 47°F 9°C | 31°F 0°C | 1.1 in 27 mm | 9.1 in231 mm | 10 |
| December | 29°F -2°C | 12°F -11°C | 0.4 in 9 mm | 9.8 in248 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 11 | 0 |
| March | 14 | 3 |
| April | 5 | 5 |
| May | 16 | 1 |
| June | 9 | 10 |
| July | 11 | 7 |
| August | 8 | 4 |
| September | 11 | 4 |
| October | 15 | 2 |
| November | 10 | 1 |
| December | 3 | 0 |