Pitkin County climate

Pitkin County Weather in May

NOAA 1991-2020 normals for Aspen 1SW, 7.7 km from Pitkin County

Average highs run from 54°F on May 1 to 66°F on May 31, and lows from 31°F to 39°F. Normal precipitation for the month is 2.17 in over about 11 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Pitkin County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
60°F
Average low
35°F
Precipitation
2.17 in
Snowfall
7.0 in
Record high
86°FMay 31, 2002
Record low
17°FMay 6, 1999
Chance of a freeze
100%
Daylight
13 h 52 min to 14 h 44 min
Cloud cover
66%
Humidity
64%
Dew point
25°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 154°F31°F75°F 202020°F 201440%19%
May 255°F31°F72°F 200017°F 201339%18%
May 355°F31°F75°F 200019°F 200839%17%
May 455°F32°F75°F 200020°F 200139%17%
May 556°F32°F76°F 200022°F 199939%16%
May 656°F32°F74°F 201717°F 199938%15%
May 756°F33°F72°F 202220°F 201038%15%
May 857°F33°F73°F 201819°F 202438%14%
May 957°F33°F73°F 201817°F 200238%13%
May 1058°F33°F76°F 201819°F 199937%13%
May 1158°F34°F75°F 202618°F 199937%12%
May 1258°F34°F78°F 202622°F 199937%11%
May 1359°F34°F81°F 202621°F 200036%11%
May 1459°F35°F75°F 201324°F 201436%10%
May 1560°F35°F74°F 201229°F 202536%10%
May 1660°F35°F75°F 202226°F 201035%9%
May 1760°F35°F75°F 200324°F 199935%8%
May 1861°F36°F80°F 202027°F 201735%8%
May 1961°F36°F79°F 202030°F 201735%7%
May 2062°F36°F81°F 200526°F 202534%7%
May 2162°F37°F78°F 200523°F 200134%6%
May 2262°F37°F79°F 200523°F 202434%6%
May 2363°F37°F81°F 200023°F 200234%6%
May 2463°F37°F78°F 200526°F 202133%5%
May 2564°F38°F81°F 201822°F 201033%5%
May 2664°F38°F80°F 201830°F 201033%4%
May 2764°F38°F79°F 200329°F 201232%4%
May 2865°F38°F83°F 200327°F 201232%4%
May 2965°F38°F83°F 200027°F 200632%4%
May 3066°F39°F85°F 200227°F 201031%3%
May 3166°F39°F86°F 200229°F 201131%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Pitkin County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:09 AM, sunset 8:01 PM
May 31
sunrise 5:44 AM, sunset 8:28 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050372 (Aspen 1SW), public domain. Records: NOAA GHCN-Daily, station USW00093073, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.