Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
As May transitions into June, a clear upsurge in temperatures is observed, with average highs advancing from a refreshing 61°F (16.1°C) to a warm 76.6°F (24.8°C). The nighttime temperature during June displays a significant divergence from daily peaks, averaging at a fresh 50°F (10°C).Humidity
June, August and September, with an average relative humidity of 45%, are the least humid months.Rainfall
In Boulder, during June, the rain falls for 13.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 117.3 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
In Boulder, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 5:33 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:34 pm MDT.
Sunshine
The months with the most sunshine are June and July, with an average of 11.7h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 in June translates into this advice:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average June temperature in Boulder?
What is the least humid month in Boulder?
What is the average humidity in June in Boulder?
How many days does it rain in June in Boulder?
When it does not snow in Boulder?
Does it snow in Boulder in June?
When are the longest days in Boulder?
What is the average length of the day in June in Boulder?
What time are sunrise and sunset in June in Boulder?
What are the months with the most sunshine in Boulder?
How many hours of sunshine does Boulder have in June?
When is the highest UV index in Boulder?
What is the UV index reading in June in Boulder?
Average temperature in June
Boulder, CO
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in June: 50°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in June
Boulder, CO
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).
Average wind speed in June
Boulder, CO
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).
Average humidity in June
Boulder, CO
- Average humidity in June: 45%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in June
Boulder, CO
- Average rainfall in June: 1.5"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in June
Boulder, CO
- Average rainfall days in June: 13.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in June
Boulder, CO
- Average snowfall in June: 0"
The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Boulder, CO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Boulder, 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 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in June
Boulder, CO
- Average sunshine days in June: 14.3 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in June
Boulder, CO
- Average UV index in June: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Boulder, CO
- Average cloud cover in June: 17
The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in June
Boulder, 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).
Boulder, Colorado, USA
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