June weather forecastThornton, CO
June
Weather in June
The first month of the summer, June, is a moderately hot month in Thornton, Colorado, with an average temperature ranging between min 56.5°F (13.6°C) and max 84.2°F (29°C).Temperature
With the onset of June, Thornton's weather experiences a distinct temperature rise, moving from a pleasant 69.1°F (20.6°C) in May to a moderately hot 84.2°F (29°C). Despite a significant daily temperature range, Thornton's temperature falls to a steady low-temperature average of 56.5°F (13.6°C) in June.Heat index
The heat index for June is estimated at 84.2°F (29°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in June is 40%.Rainfall
In Thornton, Colorado, in June, it is raining for 5.7 days, with typically 0.35" (9mm) of accumulated precipitation. In Thornton, during the entire year, the rain falls for 48.3 days and collects up to 3.19" (81mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:32 pm MDT.
Sunshine
June and July, with an average of 11.9h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In June, the maximum UV index of 6 suggests these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Thornton, CO
- Average high temperature in June: 84.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in June: 56.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in June
Thornton, CO
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in June
Thornton, CO
- Average wind speed in June: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in June
Thornton, CO
- Average humidity in June: 40%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).
Average rainfall in June
Thornton, CO
- Average rainfall in June: 0.35"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").
Average rainfall days in June
Thornton, CO
- Average rainfall days in June: 5.7 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in June
Thornton, CO
- Average snowfall in June: 0"
The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Thornton, CO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Thornton, CO
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 11h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in June
Thornton, CO
- Average sunshine days in June: 20.1 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).
Average UV index in June
Thornton, 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
Thornton, CO
- Average cloud cover in June: 15
The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in June
Thornton, 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).
