July weather forecastGrantsdale, MT
July
Weather in July
July is a moderately hot summer month in Grantsdale, Montana, with an average temperature ranging between min 46.8°F (8.2°C) and max 77°F (25°C).Temperature
Grantsdale's warmest month, July, registers temperatures that range from a high of 77°F (25°C) to a low of 46.8°F (8.2°C).Humidity
In July, the average relative humidity is 51%.Rainfall
In Grantsdale, in July, during 8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Grantsdale, during the entire year, the rain falls for 163.6 days and collects up to 20.83" (529mm) of precipitation.Snowfall
In Grantsdale, snow does not fall in June through August.Daylight
The average length of the day in July is 15h and 21min.On the first day of the month, sunrise is at 5:49 am and sunset at 9:31 pm. On the last day of July, sunrise is at 6:18 am and sunset at 9:07 pm MDT.
Sunshine
The months with the most sunshine are July and August, with an average of 11.7h of sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in July leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grantsdale, MT
- Average high temperature in July: 77°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in July: 46.8°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in July
Grantsdale, MT
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Grantsdale, MT
- Average wind speed in July: 4.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in July
Grantsdale, MT
- Average humidity in July: 51%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in July
Grantsdale, MT
- Average rainfall in July: 0.79"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in July
Grantsdale, MT
- Average rainfall days in July: 8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in July
Grantsdale, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Grantsdale, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Grantsdale, MT
- Average daylight in July: 15h and 18min
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 July: 11h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in July
Grantsdale, MT
- Average sunshine days in July: 18.9 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in July
Grantsdale, MT
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in July
Grantsdale, MT
- Average cloud cover in July: 14
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in July
Grantsdale, MT
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
