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
August is marked by an average high-temperature of a still moderately hot 76.6°F (24.8°C), almost identical to the preceding month. Despite drastic daytime highs, Lyman logs an average low-temperature reading of 54.9°F (12.7°C) throughout August.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 36%.Rainfall
In Lyman, in August, during 9.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 112.2 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Snowfall
In Lyman, snow does not fall in July and August.Daylight
In August, the average length of the day is 13h and 47min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:55 pm MDT.
Sunshine
July and August, with an average of 11.9h of sunshine, are months with the most 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 medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious.
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 August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
What is the month with the most sunshine?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Lyman, WY
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in August: 54.9°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in August
Lyman, WY
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Lyman, WY
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in August
Lyman, WY
- Average humidity in August: 36%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in August
Lyman, WY
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in August
Lyman, WY
- Average rainfall days in August: 9.3 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in August
Lyman, WY
- Average snowfall in August: 0"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Lyman, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Lyman, 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: 11h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in August
Lyman, WY
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in August
Lyman, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Lyman, WY
- Average cloud cover in August: 12
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in August
Lyman, WY
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lyman, Wyoming, USA
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