Garfield County climate

Garfield County Weather in April

NOAA 1991-2020 normals for Boulder, 5.9 km from Garfield County

Average highs run from 57°F on April 1 to 63°F on April 30, and lows from 33°F to 39°F. Normal precipitation for the month is 0.51 in over about 4 wet days.

April day by day

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

Normal daily high and low temperature at Garfield County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
60°F
Average low
36°F
Precipitation
0.51 in
Snowfall
2.3 in
Record high
77°FApr 30, 1981
Record low
-5°FApr 2, 1975
Chance of a freeze
100%
Daylight
12 h 38 min to 13 h 45 min
Cloud cover
59%
Humidity
44%
Dew point
22°F
Wind
10.1 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
Apr 157°F33°F68°F 1966-1°F 202314%5%
Apr 257°F33°F68°F 1959-5°F 197514%5%
Apr 358°F34°F70°F 19591°F 194914%5%
Apr 458°F34°F71°F 20215°F 194914%4%
Apr 558°F34°F69°F 1959-2°F 198314%4%
Apr 658°F34°F70°F 1960-1°F 198314%4%
Apr 758°F34°F69°F 20182°F 198314%4%
Apr 858°F34°F68°F 20265°F 197514%4%
Apr 959°F34°F70°F 20256°F 195314%4%
Apr 1059°F35°F71°F 20253°F 196514%4%
Apr 1159°F35°F74°F 20258°F 200114%3%
Apr 1259°F35°F71°F 20250°F 196514%3%
Apr 1359°F35°F69°F 19627°F 201015%3%
Apr 1459°F35°F71°F 19625°F 196515%3%
Apr 1560°F35°F69°F 19623°F 195315%3%
Apr 1660°F36°F68°F 195411°F 201515%3%
Apr 1760°F36°F73°F 196210°F 196015%3%
Apr 1860°F36°F73°F 1962-1°F 196315%3%
Apr 1960°F36°F72°F 19628°F 195515%2%
Apr 2060°F37°F70°F 19606°F 196615%2%
Apr 2161°F37°F74°F 19507°F 197715%2%
Apr 2261°F37°F75°F 20125°F 196315%2%
Apr 2361°F37°F75°F 20129°F 197015%2%
Apr 2461°F38°F73°F 19777°F 196415%2%
Apr 2561°F38°F70°F 20198°F 196016%2%
Apr 2662°F38°F73°F 20188°F 197616%2%
Apr 2762°F38°F72°F 201811°F 197616%2%
Apr 2862°F39°F71°F 201311°F 197016%2%
Apr 2962°F39°F74°F 202013°F 197016%2%
Apr 3063°F39°F77°F 19817°F 196716%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Garfield County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

April 1
sunrise 7:11 AM, sunset 7:49 PM
April 30
sunrise 6:31 AM, sunset 8:16 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00420849 (Boulder), public domain. Records: NOAA GHCN-Daily, station USW00023159, 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.