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
In Boulder, the average high-temperature in June increases from a mild 58.5°F (14.7°C) in May to a pleasant 68.5°F (20.3°C). In June, the average low-temperature is 42.4°F (5.8°C).Humidity
In June, the average relative humidity is 58%.Rainfall
The month with the most rainfall is June, when the rain falls for 16 days and typically aggregates up to 2.68" (68mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. June is the last month it regularly snows in Boulder. During 0.9 snowfall days, Boulder aggregates 0.31" (8mm) of snow. In Boulder, during the entire year, snow falls for 105.8 days and aggregates up to 55.12" (1400mm) of snow.Daylight
With an average of 15h and 43min of daylight, June has the longest days of the year in Boulder.On the first day of June in Boulder, sunrise is at 5:40 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:24 pm MDT.
Sunshine
In Boulder, the average sunshine in June is 11.1h.UV index
In June, the average daily maximum UV index in Boulder is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in June transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in June in Boulder?
What is the average humidity in June in Boulder?
What is the rainiest month in Boulder?
How many days does it rain in June in Boulder?
What is the last month it snows in Boulder?
When are the longest days in Boulder?
How many hours of daylight does Boulder have in June?
What time are sunrise and sunset in June in Boulder?
How many hours of sunshine does Boulder have in June?
How high is the UV index in June in Boulder?
Average temperature in June
Boulder, MT
- Average high temperature in June: 68.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in June: 42.4°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in June
Boulder, MT
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Boulder, MT
- Average wind speed in June: 5.6mph
The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in June
Boulder, MT
- Average humidity in June: 58%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in June
Boulder, MT
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in June
Boulder, MT
- Average rainfall days in June: 16 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in June
Boulder, MT
- Average snowfall in June: 0.31"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in June
Boulder, MT
- Average snowfall days in June: 0.9 days
The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in June /
Average sunshine in June
Boulder, MT
- Average daylight in June: 15h and 43min
The month with the longest days is June (Average daylight: 15h and 43min).
The month with the shortest days is December (Average daylight: 8h and 41min).
- Average sunshine in June: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in June
Boulder, MT
- Average sunshine days in June: 10.7 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in June
Boulder, MT
- Average UV index in June: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in June
Boulder, MT
- Average cloud cover in June: 27
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in June
Boulder, MT
- Average visibility in June: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Weather forecast for your location
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