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
The transition from July to August sees an average high-temperature of a still warm 77.5°F (25.3°C), indicating a minor variance from the prior month. Despite drastic daily temperature oscillations, Evanston cools down to an average low-temperature of 51.4°F (10.8°C) in August.Humidity
August is the least humid month, with an average relative humidity of 39%.Rainfall
August is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.51" (13mm) of precipitation.Snowfall
In Evanston, snow does not fall in July and August.Daylight
In August, the average length of the day is 13h and 46min.On the first day of August, sunrise is at 6:20 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:57 pm MDT.
Sunshine
August has the most sunshine of the year, with an average of 12h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Evanston in August?
What is the least humid month?
What is the average humidity in August?
What is the driest month?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How long on average sun shines in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Evanston, WY
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in August: 51.4°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Evanston, WY
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Evanston, WY
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in August
Evanston, WY
- Average humidity in August: 39%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Evanston, WY
- Average rainfall in August: 0.51"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in August
Evanston, WY
- Average rainfall days in August: 7.3 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Evanston, WY
- Average snowfall in August: 0"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Evanston, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Evanston, WY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in August
Evanston, WY
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in August
Evanston, WY
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in August
Evanston, WY
- Average cloud cover in August: 10
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in August
Evanston, WY
- Average visibility in August: 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 and February (4mi).
Evanston, Wyoming, USA
Weather forecast for your location
2. Allow the app to use your location