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
A minimal variation is noted in Lewiston's average high-temperature at the onset of August, reaching a still moderately hot 76.6°F (24.8°C) from July's 78.3°F (25.7°C). The low-temperature average for Lewiston during August stands at a moderate 58.6°F (14.8°C).Humidity
The average relative humidity in August is 82%.Rainfall
In Lewiston, during August, the rain falls for 13.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 122.7 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
In Lewiston, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 57min.On the first day of August in Lewiston, sunrise is at 5:56 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:44 pm CDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
The average daily maximum UV index in August in Lewiston, Minnesota, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lewiston in August?
What is the average humidity in August in Lewiston?
How much does it rain in Lewiston in August?
When it does not snow in Lewiston?
How many hours of daylight does Lewiston have in August?
When are sunrise and sunset in August in Lewiston?
How long on average sun shines in August in Lewiston?
What is the UV index reading in August in Lewiston?
Average temperature in August
Lewiston, MN
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in August
Lewiston, MN
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Lewiston, MN
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Lewiston, MN
- Average humidity in August: 82%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Lewiston, MN
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in August
Lewiston, MN
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Lewiston, MN
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Lewiston, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lewiston, MN
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Lewiston, MN
- Average sunshine days in August: 14.2 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Lewiston, MN
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Lewiston, MN
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Lewiston, MN
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Lewiston, Minnesota, USA
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