Sunshine Atlas

Gunnison weather by month & the best time to visit

United States · alpine / mountain town · continental climate

Gunnison, United States
Gunnison — photo by Jeffrey Beall, CC BY-SA 3.0 via Wikimedia Commons

The best time to visit Gunnison is June — its sunniest month (Sunshine Score 95/100), with September and July close behind. Gunnison averages about 3,272 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 18 mm of rain in June.

When is the best time to visit Gunnison?

For sunshine, the best time to visit Gunnison is June, then September and July. The dullest month is January (0/100, 35 mm of rain). The full month-by-month picture is in the table below.

How sunny is Gunnison?

Gunnison is one of the sunniest places on Earth: about 3,272 hours of sunshine a year. 95 Sunshine Score points separate June (95) from January (0), so the month you pick matters. It ranks #54 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 426 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

January: 0February: 0March: 0April: 31May: 77June: 9595July: 90August: 90September: 91October: 46November: 0December: 0JFMAMJJASOND
MonthScoreDay highNight lowRainUV
January0 1° / 34°F-12° / 10°F 35 mm3
February0 2° / 36°F-11° / 12°F 33 mm4
March0 7° / 45°F-5° / 23°F 32 mm6
April31 12° / 54°F-1° / 30°F 38 mm7
May77 18° / 64°F3° / 37°F 34 mm8
June95 26° / 79°F9° / 48°F 18 mm10
July90 29° / 84°F13° / 55°F 49 mm9
August90 27° / 81°F11° / 52°F 46 mm8
September91 22° / 72°F7° / 45°F 41 mm7
October46 14° / 57°F0° / 32°F 32 mm5
November0 7° / 45°F-5° / 23°F 30 mm3
December0 1° / 34°F-11° / 12°F 38 mm2

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Gunnison: questions and answers

What kind of destination is Gunnison?

Gunnison is a alpine / mountain town in United States at 2,336 m elevation with a continental climate.

How many hours of sunshine does Gunnison get a year?

Gunnison gets about 3,272 hours of sunshine a year, at its best around June.

When is the best time to visit Gunnison?

The sunniest time to visit Gunnison is June, when the Sunshine Score peaks at 95/100 (with September and July close behind). Expect daytime highs around 26°C / 79°F.

What is the least sunny month in Gunnison?

January is the least sunny month in Gunnison, scoring 0/100 with about 35 mm of rain.

How strong is the sun in Gunnison?

The typical midday UV index in Gunnison peaks around 10 (very high) in June, easing to about 2 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.

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