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Weather by month

Black Canyon of the Gunnison weather, month by month

Last verified NOAA 1991–2020 normalsAmerica/Denver time
Average highs, lows, rain, snow and daylight for every month. Measured at the Black Canyon Of The Gunnison (8,151 ft, 0 mi from South Rim Visitor Center).
Jul high
82°F
hottest month
Jan low
13°F
coldest month
Rain + snowmelt
19.9in / yr
wettest: Sep
Snowfall
—in / yr
rare
Days ≥ 90°F
6/ yr
Nights ≤ 32°F
199/ yr

Black Canyon Of The Gunnison

Month by month

Normals are 30-year averages (1991–2020). Crowds = each month’s share of the park’s busiest month, from NPS visitor counts. Sunrise and sunset are for the 15th of each month in 2027.
Average high and low, every monthbars run from the low to the high · tan strip = precipitation
comfortable highs 55–85°F20°40°60°80°32°January: average high 37°F, low 13°F, 1.7 in precipitation37°13°January: 1.7 in precipitationJFebruary: average high 40°F, low 16°F, 1.7 in precipitation40°16°February: 1.7 in precipitationFMarch: average high 49°F, low 23°F, 2.0 in precipitation49°23°March: 2.0 in precipitationMApril: average high 56°F, low 29°F, 1.8 in precipitation56°29°April: 1.8 in precipitationAMay: average high 66°F, low 38°F, 1.6 in precipitation66°38°May: 1.6 in precipitationMJune: average high 76°F, low 46°F, 0.7 in precipitation76°46°June: 0.7 in precipitationJJuly: average high 82°F, low 53°F, 1.6 in precipitation82°53°July: 1.6 in precipitationJAugust: average high 81°F, low 52°F, 1.7 in precipitation81°52°August: 1.7 in precipitationASeptember: average high 72°F, low 44°F, 2.1 in precipitation72°44°September: 2.1 in precipitationSOctober: average high 60°F, low 33°F, 1.9 in precipitation60°33°October: 1.9 in precipitationONovember: average high 47°F, low 23°F, 1.5 in precipitation47°23°November: 1.5 in precipitationNDecember: average high 36°F, low 13°F, 1.5 in precipitation36°13°December: 1.5 in precipitationDrain
MonthHighLowRainWet daysSunriseSunsetDaylightCrowds
Jan37°13°1.7″—7:27 AM5:13 PM9h 46m19
Feb40°16°1.7″—7:02 AM5:48 PM10h 46m14
Mar49°23°2.0″—7:22 AM7:17 PM11h 55m19
Apr56°29°1.8″—6:35 AM7:47 PM13h 12m26
May66°38°1.6″—5:59 AM8:15 PM14h 16m71
Jun76°46°0.7″—5:46 AM8:37 PM14h 51m100
Jul82°53°1.6″—5:59 AM8:35 PM14h 36m97
Aug81°52°1.7″—6:25 AM8:06 PM13h 41m90
Sep72°44°2.1″—6:52 AM7:20 PM12h 28m98
Oct60°33°1.9″—7:20 AM6:34 PM11h 14m61
Nov47°23°1.5″—6:53 AM4:58 PM10h 06m29
Dec36°13°1.5″—7:21 AM4:51 PM9h 29m16

Sweet spot: April combines average highs between 55°F and 85°F with crowds under 60% of the peak month. Check what is open in those months — quiet can also mean closed roads.

How to read this

These are NOAA’s official 1991–2020 climate normals for one weather station, not a model of the whole park. The station is the one with complete temperature and precipitation normals nearest to a visitor center. Highs and lows are daily averages for the month; “wet days” are days with at least 0.01 inch of precipitation. Mountain parks can be 10–20 °F cooler at their high points than at the station, and the NPS weather page for Black Canyon of the Gunnison is the place for current conditions and seasonal closures.

Sunrise and sunset are computed with the NOAA solar equations for the park’s coordinates and shown in America/Denver time for the 15th of each month of 2027; they are accurate to about a minute.

Sources · 3

  1. 1.U.S. Climate Normals 1991–2020 — monthly normals station inventory · National Centers for Environmental Information (NOAA)
  2. 2.Black Canyon of the Gunnison National Park — Weather (nps.gov) · National Park Service
  3. 3.Black Canyon of the Gunnison National Park — Visitor Use Statistics · National Park Service (IRMA)

FAQ

Black Canyon of the Gunnison weather questions

What is the hottest month at Black Canyon of the Gunnison?
July, with an average high of 82°F and an average low of 53°F at Black Canyon Of The Gunnison (NOAA 1991–2020 normals). The station averages 6 days a year at or above 90°F.
How cold does Black Canyon of the Gunnison get in winter?
January is the coldest month, averaging a low of 13°F and a high of 37°F at Black Canyon Of The Gunnison. About 199 nights a year drop to freezing or below.
Does it snow at Black Canyon of the Gunnison?
Black Canyon Of The Gunnison records almost no snowfall (no snow normals). Higher elevations in the park can differ.
When is the rainy season at Black Canyon of the Gunnison?
September is the wettest month on average (2.1 inches of precipitation at Black Canyon Of The Gunnison); the station's annual total is 19.9 inches.
How many hours of daylight does Black Canyon of the Gunnison get?
About 14h 51m on June 15 and 9h 29m on December 15 (sunrise 5:46 AM, sunset 8:37 PM in June; 7:21 AM to 4:51 PM in December, America/Denver time).
What is the best month to visit Black Canyon of the Gunnison for weather?
By NOAA's normals, average highs sit between 55°F and 85°F in April, May, June, July, August, September and October. Of those, April is also well below the park's peak crowds. Weather in the park varies with elevation; this is the Black Canyon Of The Gunnison station.

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