July weather forecastDillon, MT
July
Weather in July
July stands as the driest month in Dillon, leaning into the peak of summer with its clear skies and longer daylight hours. With temperatures reaching their zenith, air conditioning becomes a necessity for indoor comfort. Remarkably, this month does not witness any snowfall, letting the summer unfurl in its full glory. July is an optimum time for all sorts of summer activities, from hiking to fishing. This dry and warm weather, coupled with a lower humidity, makes for an enjoyable, sweat-free summer day out.Temperature
The highest temperatures are recorded in July, with averages reaching a high of 77.5°F (25.3°C) and a low of 47.5°F (8.6°C).Humidity
July and August, with an average relative humidity of 45%, are the least humid months.Rainfall
In Dillon, during July, the rain falls for 8.5 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Dillon, during the entire year, the rain falls for 126.7 days and collects up to 10.35" (263mm) of precipitation.Snowfall
In Dillon, snow does not fall in July and August.Daylight
The average length of the day in July is 15h and 14min.On the first day of July, sunrise is at 5:47 am and sunset at 9:21 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:58 pm MDT.
Sunshine
July has the most sunshine of the year, with an average of 12h of sunshine.UV index
With an average maximum UV index of 5, July is the month with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during July leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dillon, MT
- Average high temperature in July: 77.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in July: 47.5°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).
Average pressure in July
Dillon, MT
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Dillon, MT
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in July
Dillon, MT
- Average humidity in July: 45%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).
Average rainfall in July
Dillon, MT
- Average rainfall in July: 0.75"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in July
Dillon, MT
- Average rainfall days in July: 8.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in July
Dillon, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").
Average snowfall days in July
Dillon, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Dillon, MT
- Average daylight in July: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in July
Dillon, MT
- Average sunshine days in July: 18.2 days
The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in July
Dillon, MT
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in July
Dillon, MT
- Average cloud cover in July: 13
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in July
Dillon, MT
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
