Niwot, Colorado Climate
United States
Pop. 4,006 Elev. 1,558 m / 5,112 ft
TZ: America/Denver (UTC-6) ·
Winters in Niwot are severe, with temperatures dropping to 10°F (-12°C) in January, while summers bring mild highs of 82°F (28°C) in July. Expect around 37 rainy days annually (24.7 in / 628 mm total), with snow on 10 days and 63 in (1591 mm) of annual accumulation. The city averages 172 sunny days per year and around 30 thunderstorm days.
| Temperature | 82°F (28°C) high | 10°F (-12°C) low |
| Feels like | 83°F (28°C) high | 4°F (-16°C) low |
| Rain | 37 days | 24.7 in (628 mm) /yr |
| Snow | 10 days | 62.6 in (1591 mm) /yr |
| Sky | 172 sunny | 30 stormy |
| Wind | 2.4 mph (1.1 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Oct
Sky & Air by Month
Cloud cover (%)
42
Jan 45
Feb 48
Mar 49
Apr 55
May 45
Jun 50
Jul 44
Aug 45
Sep 31
Oct 44
Nov 39
Dec Humidity (%)
64
Jan 65
Feb 47
Mar 53
Apr 58
May 56
Jun 50
Jul 53
Aug 59
Sep 56
Oct 47
Nov 50
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 14 mi Rocky Mountain Metropolitan Airport (BJC)
Ski resort 27 mi Hoedown Hill
National park 66 mi Camp Hale - Continental Divide National Monument
Mountain peak
(5,423 ft) 3 mi Gun Barrel Hill
Hospital 3 mi Action Behavior Centers - ABA Therapy for Autism
Hiking trail 5 mi Boulder Valley Ranch Trails
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 10°F -12°C | 0.0 in 0 mm | 15.2 in387 mm | 16 |
| February | 41°F 5°C | 16°F -9°C | 0.2 in 4 mm | 13.9 in353 mm | 13 |
| March | 54°F 12°C | 28°F -2°C | 0.9 in 24 mm | 6.6 in167 mm | 13 |
| April | 58°F 15°C | 30°F -1°C | 1.5 in 38 mm | 9.7 in247 mm | 12 |
| May | 65°F 18°C | 40°F 5°C | 5.2 in 132 mm | 4.7 in120 mm | 12 |
| June | 78°F 25°C | 50°F 10°C | 4.5 in 113 mm | — | 14 |
| July | 82°F 28°C | 55°F 13°C | 2.7 in 68 mm | — | 11 |
| August | 80°F 27°C | 54°F 12°C | 5.1 in 130 mm | — | 15 |
| September | 72°F 22°C | 47°F 8°C | 3.2 in 81 mm | 0.6 in14 mm | 14 |
| October | 63°F 17°C | 38°F 3°C | 1.3 in 32 mm | 1.0 in25 mm | 21 |
| November | 56°F 13°C | 32°F 0°C | 0.1 in 3 mm | 1.5 in37 mm | 15 |
| December | 51°F 11°C | 27°F -3°C | 0.1 in 3 mm | 9.4 in240 mm | 16 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 0 |
| February | 13 | 0 |
| March | 13 | 1 |
| April | 12 | 1 |
| May | 12 | 6 |
| June | 14 | 7 |
| July | 11 | 2 |
| August | 15 | 9 |
| September | 14 | 3 |
| October | 21 | 1 |
| November | 15 | 0 |
| December | 16 | 0 |