June weather forecastWiley, CO
June
Weather in June
The first month of the summer, June, is a tropical month in Wiley, Colorado, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 90°F (32.2°C).Temperature
Wiley sees an increase in the average high-temperature with the arrival of June, moving from May's moderately hot 75.9°F (24.4°C) to a tropical 90°F (32.2°C). Wiley's nights during June are marked by a pronounced drop from daytime temperatures, experiencing an average low of 66.2°F (19°C).Heat index
June's average heat index is estimated at a tropical 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The least humid month is June, with an average relative humidity of 40%.Rainfall
In Wiley, in June, it is raining for 9.8 days, with typically 1.3" (33mm) of accumulated precipitation. In Wiley, during the entire year, the rain falls for 79.5 days and collects up to 8.9" (226mm) of precipitation.Snowfall
In Wiley, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of June in Wiley, sunrise is at 5:29 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:18 pm MDT.
Sunshine
In June, the average sunshine is 11.8h.UV index
The months with the highest UV index in Wiley, Colorado, are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In June, the maximum UV index of 7 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Wiley, CO
- Average high temperature in June: 90°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in June: 66.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).
Average pressure in June
Wiley, CO
- Average pressure in June: 29.8"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in June
Wiley, CO
- Average wind speed in June: 11.6mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).
Average humidity in June
Wiley, CO
- Average humidity in June: 40%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).
Average rainfall in June
Wiley, CO
- Average rainfall in June: 1.3"
The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in June
Wiley, CO
- Average rainfall days in June: 9.8 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in June
Wiley, CO
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Wiley, CO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Wiley, CO
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in June
Wiley, CO
- Average sunshine days in June: 18.5 days
The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in June
Wiley, CO
- Average UV index in June: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in June
Wiley, CO
- Average cloud cover in June: 14
The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in June
Wiley, CO
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





