Year-round weather and climate in Denver, United States
Average temperatures in Denver run from an average low of -12°C10°F in January up to an average high of 32°C90°F in July. February is the driest month at 4 rainy days; May the wettest at 11. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 729K
- Currency
- USD
- Language
- English
- Time zone
- Denver
Best time to visit
To avoid the most intense heat, the best time to visit is during the milder season around July, August, and September.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like September, crisp sunny days drop off a cliff by 18°C32°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
Summer Heat Fatigue: Midday heat in July and August is intense. Pack high-SPF sunscreen and a wide-brimmed hat.
Average temperatures, sunshine, and rainfall
Average monthly weather in Denver, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Feb is typically driest at 4 days (36mm); May the wettest at 11 days (90mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 2°C / 35°F | -12°C / 11°F | 7h | 6 | 25mm |
| Feb | 7°C / 45°F | -9°C / 15°F | 9h | 4 | 36mm |
| Mar | 10°C / 51°F | -5°C / 23°F | 10h | 9 | 39mm |
| Apr | 17°C / 63°F | 1°C / 33°F | 11h | 8 | 50mm |
| May | 22°C / 71°F | 7°C / 44°F | 12h | 11 | 90mm |
| Jun | 28°C / 82°F | 12°C / 54°F | 12h | 10 | 74mm |
| Jul | 32°C / 89°F | 15°C / 58°F | 13h | 5 | 30mm |
| Aug | 31°C / 88°F | 15°C / 59°F | 12h | 7 | 27mm |
| Sep | 28°C / 83°F | 10°C / 50°F | 11h | 5 | 27mm |
| Oct | 21°C / 70°F | 5°C / 40°F | 10h | 4 | 19mm |
| Nov | 11°C / 51°F | -4°C / 25°F | 8h | 6 | 32mm |
| Dec | 8°C / 47°F | -4°C / 24°F | 8h | 4 | 13mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Denver?
The most sunshine in Denver comes around July, averaging 13 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Denver?
Your packing list depends entirely on when you travel. Temperatures in Denver swing from an average low of -12°C10°F in January up to 32°C90°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 Denver?
Denver gets rain on about 79 days out of the year. The wettest month is May. 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 Denver with Packola.
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