June weather forecastHeron, MT
June
Weather in June
June, the first month of the summer in Heron, is still a comfortable month, with an average temperature ranging between max 66.7°F (19.3°C) and min 43°F (6.1°C).Temperature
The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a refreshing 61.3°F (16.3°C) in May to a still comfortable 66.7°F (19.3°C). June witnesses a substantial contrast between the daytime highs and the average low of 43°F (6.1°C).Humidity
In June, the average relative humidity in Heron is 67%.Rainfall
In Heron, in June, it is raining for 15.3 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 161.9 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
The month with the longest days is June, with an average of 16h and 0min of daylight.On the first day of June, sunrise is at 5:47 am and sunset at 9:36 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:47 pm MDT.
Sunshine
In June, the average sunshine is 9.7h.UV index
In Heron, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 5 during June morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Heron, MT
- Average high temperature in June: 66.7°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in June: 43°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in June
Heron, MT
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in June
Heron, MT
- Average wind speed in June: 4.3mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in June
Heron, MT
- Average humidity in June: 67%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (52%).
Average rainfall in June
Heron, MT
- Average rainfall in June: 2.13"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in June
Heron, MT
- Average rainfall days in June: 15.3 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in June
Heron, MT
- Average snowfall in June: 0"
The month with the highest snowfall is January (15.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in June
Heron, MT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (19.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Heron, 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: 9h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in June
Heron, MT
- Average sunshine days in June: 12.2 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in June
Heron, MT
- Average UV index in June: 5
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
Heron, MT
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in June
Heron, MT
- Average visibility in June: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).





