June weather forecastWestby, MT
June
Weather in June
June, the first month of the summer in Westby, is a warm month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 74.1°F (23.4°C).Temperature
Westby in June shows a temperature shift, moving from an average high of an enjoyable 64.2°F (17.9°C) in May to a warm 74.1°F (23.4°C). Throughout June, Westby records an average temperature of 55.2°F (12.9°C) at night.Humidity
In June, the average relative humidity is 57%.Rainfall
June is the month with the most rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Westby, snow does not fall in June through September.Daylight
With an average of 16h and 6min of daylight, June has the longest days of the year in Westby.On the first day of the month, sunrise is at 5:56 am and sunset at 9:51 pm. On the last day of June, sunrise is at 5:56 am and sunset at 10:03 pm CDT.
Sunshine
In June, the average sunshine is 10.8h.UV index
In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during June leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Westby, MT
- Average high temperature in June: 74.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).
- Average low temperature in June: 55.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).
Average pressure in June
Westby, MT
- Average pressure in June: 29.83"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in June
Westby, MT
- Average wind speed in June: 10.2mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).
Average humidity in June
Westby, MT
- Average humidity in June: 57%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).
Average rainfall in June
Westby, MT
- Average rainfall in June: 2.17"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in June
Westby, MT
- Average rainfall days in June: 13.9 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in June
Westby, MT
- Average snowfall in June: 0"
The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Westby, MT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Westby, 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: 10h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in June
Westby, MT
- Average sunshine days in June: 13.8 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).
Average UV index in June
Westby, MT
- Average UV index in June: 5
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
Westby, MT
- Average cloud cover in June: 29
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in June
Westby, 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).
