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
Custer's transition into June is marked by a rise in the average high-temperature, advancing from a refreshing 65.8°F (18.8°C) in May to a warm 77.2°F (25.1°C). Nighttime temperatures in Custer hover around an average low of 55.9°F (13.3°C) in June.Humidity
In Custer, the average relative humidity in June is 50%.Rainfall
In Custer, in June, during 11.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Custer, during the entire year, the rain falls for 107 days and collects up to 12.17" (309mm) of precipitation.Snowfall
June through August are months without snowfall in Custer, Montana.Daylight
June has the longest days of the year, with an average of 15h and 42min of daylight.On the first day of the month, sunrise is at 5:21 am and sunset at 8:54 pm. On the last day of June, sunrise is at 5:22 am and sunset at 9:05 pm MDT.
Sunshine
In June, the average sunshine is 11.2h.UV index
In Custer, Montana, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during June translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are June temperatures in Custer?
What is the average humidity in June in Custer?
How much does it rain in Custer in June?
When it does not snow in Custer?
Does it snow in Custer in June?
When are the longest days in Custer?
What is the average length of the day in June in Custer?
When is the sunrise / sunset in June in Custer?
How many hours of sunshine does Custer have in June?
What is the UV index reading in June in Custer?
Average temperature in June
Custer, MT
- Average high temperature in June: 77.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (31.1°F).
- Average low temperature in June: 55.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in June
Custer, MT
- Average pressure in June: 29.84"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in June
Custer, MT
- Average wind speed in June: 9.1mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity in June
Custer, MT
- Average humidity in June: 50%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in June
Custer, MT
- Average rainfall in June: 1.65"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in June
Custer, MT
- Average rainfall days in June: 11.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is December (4.5 days).
Average snowfall in June
Custer, MT
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July and August (0").
Average snowfall days in June
Custer, MT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Custer, MT
- Average daylight in June: 15h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in June: 11h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in June
Custer, MT
- Average sunshine days in June: 14.6 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in June
Custer, MT
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in June
Custer, MT
- Average cloud cover in June: 24
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in June
Custer, MT
- 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).
Custer, Montana, USA
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