Grand County climate

Grand County Weather in June

NOAA 1991-2020 normals for Williams Fork Dam, 10.3 km from Grand County

Average highs run from 68°F on June 1 to 77°F on June 30, and lows from 36°F to 42°F. Normal precipitation for the month is 0.99 in over about 7 wet days.

June day by day

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

Normal daily high and low temperature at Grand County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
73°F
Average low
38°F
Precipitation
0.99 in
Snowfall
0.1 in
Record high
88°FJun 23, 1954
Record low
21°FJun 1, 1990
Chance of a freeze
89%
Daylight
14 h 51 min to 14 h 59 min
Cloud cover
56%
Humidity
53%
Dew point
33°F
Wind
4.7 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
Jun 168°F36°F78°F 200221°F 199028%2%
Jun 269°F36°F80°F 200623°F 194928%1%
Jun 369°F36°F78°F 200623°F 195427%1%
Jun 469°F36°F79°F 197728°F 195027%1%
Jun 570°F36°F81°F 202126°F 197027%1%
Jun 670°F37°F83°F 200425°F 198227%1%
Jun 771°F37°F83°F 200225°F 198226%1%
Jun 871°F37°F85°F 200223°F 200726%1%
Jun 971°F37°F86°F 200222°F 195026%1%
Jun 1072°F37°F86°F 200227°F 197926%1%
Jun 1172°F37°F80°F 200124°F 201225%1%
Jun 1272°F38°F83°F 201323°F 200825%1%
Jun 1373°F38°F83°F 201324°F 200825%1%
Jun 1473°F38°F82°F 200626°F 200825%1%
Jun 1573°F38°F83°F 200426°F 195025%1%
Jun 1673°F38°F86°F 202125°F 198125%0%
Jun 1774°F39°F84°F 200227°F 195225%0%
Jun 1874°F39°F85°F 200228°F 195024%0%
Jun 1974°F39°F84°F 200224°F 197324%0%
Jun 2075°F39°F85°F 201628°F 197324%0%
Jun 2175°F40°F85°F 201629°F 199024%0%
Jun 2275°F40°F85°F 195426°F 198924%0%
Jun 2376°F40°F88°F 195431°F 199124%0%
Jun 2476°F40°F86°F 201228°F 195124%0%
Jun 2576°F40°F84°F 201228°F 199324%0%
Jun 2676°F41°F83°F 199028°F 195024%0%
Jun 2777°F41°F84°F 199028°F 196924%0%
Jun 2877°F41°F87°F 201331°F 194924%0%
Jun 2977°F41°F87°F 200231°F 194925%0%
Jun 3077°F42°F86°F 199032°F 195125%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grand County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

June 1
sunrise 5:37 AM, sunset 8:28 PM
June 30
sunrise 5:39 AM, sunset 8:38 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00059096 (Williams Fork Dam), public domain. Records: NOAA GHCN-Daily, station USC00053500, 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.