June
OK
22.3°C / 4.1°C
15 rain days
warm, rainy
- comfortable temperatures (avg high 22.3°C / 72°F)
- outside peak hazard season
Best time to visit Aspen
Aspen, United States — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
Best · June & April
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OK — shoulder months
April
OK
8.7°C / -3.9°C
18 rain days
chilly, freezing nights, very wet
- outside peak hazard season
November
OK
5.1°C / -10.2°C
13 rain days
chilly, freezing nights, rainy
- outside peak hazard season
March
OK
5.2°C / -7°C
18 rain days
chilly, freezing nights, very wet
- outside peak hazard season
Months to skip
July
Skip
25.8°C / 8.7°C
20 rain days
warm, very wet
- extremely wet (20 rain days)
May
Skip
13.9°C / -0.6°C
21 rain days
cool, freezing nights, very wet
- freezing at night (-0.6°C)
- extremely wet (21 rain days)
February
Skip
1.2°C / -10°C
17 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -10°C)
- heavy rain expected (17 days)
January
Skip
0°C / -11.4°C
16 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -11.4°C)
- heavy rain expected (16 days)
December
Skip
0.4°C / -13°C
15 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -13°C)
- heavy rain expected (15 days)
September
Skip
21.2°C / 4.8°C
13 rain days
⚠ peak season
mild, rainy
- peak hurricane season
August
Skip
24.5°C / 7.8°C
18 rain days
⚠ peak season
warm, very wet
- extremely wet (18 rain days)
- peak hurricane season
October
Skip
12.6°C / -2.6°C
12 rain days
⚠ peak season
cool, freezing nights, rainy
- freezing at night (-2.6°C)
- peak hurricane season
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.