June weather forecastHalfmoon, MT
June
Weather in June
The first month of the summer, June, is a comfortable month in Halfmoon, Montana, with an average temperature varying between 41.2°F (5.1°C) and 66.4°F (19.1°C).Temperature
The shift into June is marked by a modest rise in the average high-temperature, moving from May's refreshing 59.5°F (15.3°C) to a comfortable 66.4°F (19.1°C). Halfmoon measures a considerable dip from daytime highs with an average low-temperature of 41.2°F (5.1°C) during June.Humidity
In Halfmoon, the average relative humidity in June is 67%.Rainfall
June is the month with the most rainfall. Rain falls for 13.7 days and accumulates 1.42" (36mm) of precipitation.Snowfall
In Halfmoon, snow does not fall in June through August.Daylight
The month with the longest days is June, with an average of 16h and 0min of daylight.On the first day of the month, sunrise is at 5:39 am and sunset at 9:30 pm. On the last day of June, sunrise is at 5:39 am and sunset at 9:41 pm MDT.
Sunshine
The average sunshine in June is 10.4h.UV index
In Halfmoon, the average daily maximum UV index in June is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In June, an average UV index of 4 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Halfmoon, MT
- Average high temperature in June: 66.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in June: 41.2°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in June
Halfmoon, MT
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Halfmoon, MT
- Average wind speed in June: 4.3mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in June
Halfmoon, MT
- Average humidity in June: 67%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in June
Halfmoon, MT
- Average rainfall in June: 1.42"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in June
Halfmoon, MT
- Average rainfall days in June: 13.7 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in June
Halfmoon, MT
- Average snowfall in June: 0"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in June
Halfmoon, MT
- Average snowfall days in June: 0.1 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in June /
Average sunshine in June
Halfmoon, MT
- Average daylight in June: 16h and 0min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in June: 10h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in June
Halfmoon, MT
- Average sunshine days in June: 13.1 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in June
Halfmoon, MT
- Average UV index in June: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in June
Halfmoon, MT
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in June
Halfmoon, MT
- Average visibility in June: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





