Best year time to visit Grand Junction

General weather information about Grand Junction

Average annual temperature is 11.3 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: -26.9 °C

Number of sunny days: 197 days

Number of rainy days: 149 days

Number of snow days: 19 days

Look at detailed online map of Grand Junction

* Weather data for Grand Junction United States is based on climate observations for 2026 year

Grand Junction air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.013.223.927.931.032.234.937.335.032.218.514.4
Average daytime temperature (°C)0.33.97.617.724.928.928.528.927.017.911.26.8
Average temperature (°C)-4.0-2.21.410.618.222.823.023.720.912.95.42.1
Average night temperature (°C)-7.1-6.8-2.94.911.917.117.919.215.88.70.9-1.0
Absolute minimum temperature (°C)-26.9-24.8-13.0-4.91.88.411.713.19.9-4.4-11.6-6.2

Grand Junction monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)4.56.97.69.611.212.512.111.510.17.57.24.7
Precipitation (mm)50404147667188575766851
Sunny days131717171913131314162223
Rainy days119101112171818161467
Snow days724200000121

Grand Junction - weather forecast by months

Grand Junction weather in januaryGrand Junction weather in februaryGrand Junction weather in marchGrand Junction weather in aprilGrand Junction weather in mayGrand Junction weather in juneGrand Junction weather in julyGrand Junction weather in augustGrand Junction weather in septemberGrand Junction weather in octoberGrand Junction weather in novemberGrand Junction weather in december

Best time to visit Grand Junction:

The best time to visit Grand Junction during the most sunny months:

  • May — 11.2(h)
  • June — 12.5(h)
  • July — 12.1(h)
  • August — 11.5(h)

The largest precipitation sum in Grand Junction is at

  • June — 71(mm)
  • July — 88(mm)

    • Weather forecast in the closest to Grand Junction admin centers

    Weather forecast in the closest towns to Grand Junction

    Explore Grand Junction

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

    When is the best time to visit Grand Junction?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Grand Junction.
    What is the weather like in Grand Junction?
    See average temperature, rainfall and daylight hours for Grand Junction by month in the table above.
    How many sunny days does Grand Junction have?
    The monthly weather statistics above show sunshine and rainfall patterns for Grand Junction throughout the year.