Climateby Month

Vail, CO weather in August

NOAA 1991-2020 normals and daily records · Vail all year

Expect mild weather with frequent rain in Vail in August, with highs near 74°F and lows near 41°F. Rain falls on about 11 days. It is one of the warmest months in Vail. Great for outdoor plans.

Normal high
74°F
Normal low
41°F
Wet days
11
1.8 in total
Daylight
13.7 h

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high77°F71°F
Normal low43°F38°F
Chance of a wet day35%35%
Sunrise / sunset6:04 am / 8:18 pm6:32 am / 7:38 pm
Daylight14.2 h13.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)26 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow11 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 1.8 in; a dry August brings about 1.2 in and a wet one about 2.3 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.

How August varies from year to year

  • Warmest August, 1991-20202019: average high 82°F
  • Coolest August2014: average high 69°F
  • Wettest August2003: 4.8 in
  • Driest August1996: 0.4 in
  • Highest reading88°F (August 5, 2019)
  • Lowest reading22°F (August 27, 1992)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high77°F74°F67°F
Normal low42°F41°F34°F
Wet days10119
Comfortable days222621
Daylight14.7 h13.7 h12.4 h

Highs change by -3°F from July and -7°F into September.

Nearby alternatives in August

How Vail ranks in August

  • Normal high356th warmest of 378 cities; 15th of 17 in Colorado
  • Wet days304th driest of 378

What to pack for Vail in August

  • Layers – afternoons near 74°F but nights near 41°F
  • A rain jacket or umbrella – rain on about 11 days

Heating and cooling

August has 237 heating degree days and 1 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.

Questions

How hot is Vail in August?

The normal high is 74°F and the normal low is 41°F. From 1991 to 2020 the hottest August reading was 88°F (most recently on August 5, 2019).

Does it rain a lot in Vail in August?

About 11 days in August have at least 0.01 in of precipitation, and the normal total is 1.8 in. The wettest August in 1991-2020 was in 2003 (4.8 in); the driest was in 1996 (0.4 in).

Is August a good time to visit Vail?

August ranks 2nd of 12 months on our comfort score for Vail (85 out of 100). It has about 26 comfortable days (judged by temperature only). The best months are June and August.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Vail (USC00058575), 1.1 mi E of the city center, 8,304 ft (125 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snow depth: Dillon 1 E (USC00052281), 18 mi E of the city center, 9,065 ft (886 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).