Year-round weather and climate in Aspen, United States
Average temperatures in Aspen run from an average low of -14°C7°F in February up to an average high of 27°C81°F in July. July is the driest month at 4 rainy days; March the wettest at 17. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 6,882
- Currency
- USD
- Language
- English
- Time zone
- Denver
Best time to visit
The most pleasant weather falls in July, August, and September, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Persistent Drizzle: During wetter months, expect lingering gray mist and damp streets. A lightweight waterproof shell and water-resistant shoes are essential.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like June, crisp sunny days drop off a cliff by 19°C34°F at sunset. Always carry an evening layer.
Seasonality Profile
True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Aspen, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jul is typically driest at 4 days (21mm); Mar the wettest at 17 days (97mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | -1°C / 31°F | -14°C / 8°F | 7h | 15 | 63mm |
| Feb | 2°C / 35°F | -14°C / 6°F | 8h | 12 | 66mm |
| Mar | 4°C / 39°F | -11°C / 13°F | 9h | 17 | 97mm |
| Apr | 8°C / 47°F | -7°C / 19°F | 11h | 13 | 71mm |
| May | 13°C / 56°F | -3°C / 27°F | 12h | 10 | 61mm |
| Jun | 22°C / 72°F | 4°C / 38°F | 13h | 11 | 42mm |
| Jul | 27°C / 80°F | 8°C / 46°F | 14h | 4 | 21mm |
| Aug | 26°C / 78°F | 8°C / 46°F | 13h | 9 | 37mm |
| Sep | 22°C / 71°F | 4°C / 39°F | 12h | 5 | 20mm |
| Oct | 15°C / 60°F | -1°C / 29°F | 10h | 8 | 61mm |
| Nov | 5°C / 41°F | -12°C / 10°F | 8h | 11 | 67mm |
| Dec | 3°C / 37°F | -14°C / 7°F | 8h | 8 | 45mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Aspen?
The most sunshine in Aspen comes around July, averaging 14 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Aspen?
Your packing list depends entirely on when you travel. Temperatures in Aspen swing from an average low of -14°C7°F in February up to 27°C81°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Aspen?
Aspen gets rain on about 123 days out of the year. The wettest month is March. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Aspen with Packola.
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