June weather forecastSaint Johns, MT
June
Weather in June
The first month of the summer, June, is an agreeable month in Saint Johns, Montana, with an average temperature ranging between max 73°F (22.8°C) and min 53.1°F (11.7°C).Temperature
With the onset of June, Saint Johns experiences a subtle temperature shift, with the average high-temperature moving from a refreshing 64.6°F (18.1°C) in May to an agreeable 73°F (22.8°C). In Saint Johns, June nights witness a steady temperature drop to a fresh 53.1°F (11.7°C).Humidity
The average relative humidity in June in Saint Johns is 53%.Rainfall
The month with the most rainfall in Saint Johns, Montana, is June, when the rain falls for 13.4 days and typically aggregates up to 1.5" (38mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
The month with the longest days is June, with an average of 16h and 6min of daylight.On the first day of the month, sunrise is at 5:20 am and sunset at 9:15 pm. On the last day of June, sunrise is at 5:20 am and sunset at 9:26 pm MDT.
Sunshine
The average sunshine in June is 11.4h.UV index
In Saint Johns, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in June leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint Johns, MT
- Average high temperature in June: 73°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (27.1°F).
- Average low temperature in June: 53.1°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in June
Saint Johns, MT
- Average pressure in June: 29.84"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in June
Saint Johns, MT
- Average wind speed in June: 9.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in June
Saint Johns, MT
- Average humidity in June: 53%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).
Average rainfall in June
Saint Johns, MT
- Average rainfall in June: 1.5"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in June
Saint Johns, MT
- Average rainfall days in June: 13.4 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in June
Saint Johns, MT
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in June
Saint Johns, MT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Saint Johns, MT
- Average daylight in June: 16h and 6min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in June: 11h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in June
Saint Johns, MT
- Average sunshine days in June: 14.1 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in June
Saint Johns, 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, March, October, November and December (UV index 2).
Average cloud cover in June
Saint Johns, 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 16).
Average visibility in June
Saint Johns, 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).





