Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
On the advent of August, Norris's average high-temperature exhibits a minor adjustment to a pleasant 73°F (22.8°C) from July's 74.5°F (23.6°C). Norris's daily high temperature significantly diverges from the consistently recorded temperature low averaging a frosty 46°F (7.8°C) in August.Humidity
With an average relative humidity of 50%, August is the least humid month.Rainfall
In Norris, in August, during 13.6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 105.7 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. The month with the least snowfall in Norris is August, when snow falls for 0.3 days and typically aggregates up to 0.08" (2mm) of snow.Daylight
In August, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:47 am and sunset at 8:05 pm MDT.
Sunshine
In August, the average sunshine in Norris is 11.4h.UV index
The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in August translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the least humid month?
What is the average humidity in August?
How much does it rain in Norris in August?
When it does not snow in Norris?
How many days does it snow in August?
How many hours of daylight does Norris have in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Norris have in August?
What is the UV index reading in August?
Average temperature in August
Norris, MT
- Average high temperature in August: 73°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in August: 46°F
The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in August
Norris, MT
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Norris, MT
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Norris, MT
- Average humidity in August: 50%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).
Average rainfall in August
Norris, MT
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in August
Norris, MT
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in August
Norris, MT
- Average snowfall in August: 0.08"
The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").
Average snowfall days in August
Norris, MT
- Average snowfall days in August: 0.3 days
The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in August /
Average sunshine in August
Norris, MT
- Average daylight in August: 14h and 1min
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 August: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Norris, MT
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).
Average UV index in August
Norris, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Norris, MT
- Average cloud cover in August: 17
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in August
Norris, MT
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Norris, Montana, USA
Weather forecast for your location
2. Allow the app to use your location