Johnstown, Colorado Climate
United States
Pop. 14,896 Elev. 1,486 m / 4,876 ft
TZ: America/Denver (UTC-6) ·
Dry and warm, Johnstown sees July highs of 89°F (32°C) and cold January lows of 14°F (-10°C). Expect around 29 rainy days annually (18.9 in / 481 mm total), with snow on 7 days and 35 in (888 mm) of annual accumulation. The city averages 176 sunny days per year and around 20 thunderstorm days.
| Temperature | 89°F (32°C) high | 14°F (-10°C) low |
| Feels like | 92°F (33°C) high | 14°F (-10°C) low |
| Rain | 29 days | 18.9 in (481 mm) /yr |
| Snow | 7 days | 35.0 in (888 mm) /yr |
| Sky | 176 sunny | 20 stormy |
| Wind | 0.7 mph (0.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Oct
Sky & Air by Month
Cloud cover (%)
43
Jan 45
Feb 49
Mar 51
Apr 53
May 44
Jun 49
Jul 43
Aug 43
Sep 31
Oct 44
Nov 41
Dec Humidity (%)
60
Jan 58
Feb 38
Mar 46
Apr 52
May 52
Jun 47
Jul 50
Aug 53
Sep 53
Oct 50
Nov 50
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 31 mi Rocky Mountain Metropolitan Airport (BJC)
Ski resort 8 mi Hoedown Hill
National park 87 mi Camp Hale - Continental Divide National Monument
Mountain peak
(4,928 ft) 4 mi Wildcat Mound
Hospital 7 mi Medical Center of the Rockies
Hiking trail 28 mi Denver Orbital Trail - Segment 22
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 38°F 3°C | 14°F -10°C | 0.0 in 0 mm | 12.6 in321 mm | 16 |
| February | 45°F 7°C | 18°F -8°C | 0.2 in 5 mm | 10.3 in261 mm | 13 |
| March | 62°F 17°C | 33°F 1°C | 1.3 in 34 mm | 2.0 in51 mm | 14 |
| April | 66°F 19°C | 36°F 2°C | 1.5 in 38 mm | 4.4 in111 mm | 12 |
| May | 72°F 22°C | 46°F 8°C | 4.2 in 105 mm | — | 12 |
| June | 84°F 29°C | 55°F 13°C | 3.0 in 75 mm | — | 15 |
| July | 89°F 32°C | 60°F 16°C | 1.9 in 48 mm | — | 12 |
| August | 86°F 30°C | 59°F 15°C | 3.4 in 85 mm | — | 17 |
| September | 78°F 26°C | 52°F 11°C | 2.3 in 59 mm | — | 14 |
| October | 67°F 20°C | 42°F 5°C | 0.9 in 22 mm | — | 21 |
| November | 60°F 15°C | 33°F 1°C | 0.2 in 6 mm | 0.7 in17 mm | 14 |
| December | 56°F 13°C | 29°F -2°C | 0.2 in 4 mm | 5.0 in127 mm | 16 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 0 |
| February | 13 | 0 |
| March | 14 | 1 |
| April | 12 | 1 |
| May | 12 | 3 |
| June | 15 | 4 |
| July | 12 | 2 |
| August | 17 | 7 |
| September | 14 | 2 |
| October | 21 | 0 |
| November | 14 | 0 |
| December | 16 | 0 |