June weather forecastGrand Junction, CO
June
Weather in June
June in Grand Junction greets the summer solstice with temperatures nearing 82.2°F (27.9°C). As the hottest month of the year, precautions against heat-related conditions are warranted. Enduring the longest daylight hours, the city bathes in an abundant 14.9 hours of light. Conversely, the city experiences the least cloud coverage, facilitating limitless adventures beneath the expansive Colorado blue sky. June also witnesses the year's lowest humidity.Temperature
June brings a rise in the average high-temperature, transitioning from May's agreeable 69.1°F (20.6°C) to a moderately hot 82.2°F (27.9°C). A noticeable temperature swing characterizes Grand Junction's June nights, dipping to an average of 54.7°F (12.6°C).Humidity
June is the least humid month, with an average relative humidity of 29%.Rainfall
June is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.51" (13mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of June, sunrise is at 5:49 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:44 pm MDT.
Sunshine
With an average of 12h of sunshine, June has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during June translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Grand Junction, CO
- Average high temperature in June: 82.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in June: 54.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in June
Grand Junction, CO
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.9"Hg).
Average wind speed in June
Grand Junction, CO
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in June
Grand Junction, CO
- Average humidity in June: 29%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in June
Grand Junction, CO
- Average rainfall in June: 0.51"
The wettest month (with the highest rainfall) is March (1.06").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in June
Grand Junction, CO
- Average rainfall days in June: 5.6 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in June
Grand Junction, CO
- Average snowfall in June: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Grand Junction, CO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Grand Junction, CO
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 12h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in June
Grand Junction, CO
- Average sunshine days in June: 21.8 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in June
Grand Junction, CO
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Grand Junction, CO
- Average cloud cover in June: 11
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in June
Grand Junction, CO
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
