Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In Boulder, the average temperatures in July are the highest, with a peak at 79.7°F (26.5°C) and a low of 48.4°F (9.1°C).Humidity
In Boulder, the average relative humidity in July is 47%.Rainfall
In Boulder, in July, it is raining for 9.9 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 133.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Snowfall
In Boulder, snow does not fall in July and August.Daylight
The average length of the day in July in Boulder is 15h and 21min.On the first day of the month, sunrise is at 5:41 am and sunset at 9:23 pm. On the last day of July, in Boulder, sunrise is at 6:10 am and sunset at 8:59 pm MDT.
Sunshine
With an average of 11.7h of sunshine, July has the most sunshine of the year in Boulder, Montana.UV index
With an average maximum UV index of 6, July is the month with the highest UV index in Boulder. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 in July translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Boulder?
What is the usual temperature for Boulder in July?
What is the average humidity in July in Boulder?
How much does it rain in Boulder in July?
When it does not snow in Boulder?
Does it snow in Boulder in July?
What is the average length of the day in July in Boulder?
What time are sunrise and sunset in July in Boulder?
What month has the most sunshine in Boulder?
How many hours of sunshine does Boulder have in July?
What is the month with the highest UV index in Boulder?
How high is the UV index in July in Boulder?
Average temperature in July
Boulder, MT
- Average high temperature in July: 79.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in July: 48.4°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in July
Boulder, MT
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Boulder, MT
- Average wind speed in July: 4.9mph
The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in July
Boulder, MT
- Average humidity in July: 47%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in July
Boulder, MT
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in July
Boulder, MT
- Average rainfall days in July: 9.9 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in July
Boulder, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in July
Boulder, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Boulder, MT
- Average daylight in July: 15h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in July
Boulder, MT
- Average sunshine days in July: 17 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in July
Boulder, MT
- Average UV index in July: 6
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 July
Boulder, MT
- Average cloud cover in July: 16
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in July
Boulder, MT
- Average visibility in July: 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).
Boulder, Montana, USA
Weather forecast for your location
2. Allow the app to use your location