August weather forecastLewiston, ME
August
Weather in August
While August continues Lewiston's summer stretch, it brings along a slight dip in maximum temperature from the July peak. The weather remains warm and agreeable, making it an ideal month for outdoor activities. Cloud coverage increases slightly more than that of July, providing a balance between sun and shade. As the days progress, indications of an approaching fall season start budding, marking the beginning of an end to summer.Temperature
August's onset records a minor alteration in the average high-temperature to a still warm 76.8°F (24.9°C) from July's 77.5°F (25.3°C). In August, the nighttime temperature lowers to an average of 56.5°F (13.6°C).Humidity
The average relative humidity in August in Lewiston is 79%.Rainfall
In Lewiston, in August, it is raining for 11.1 days, with typically 1.34" (34mm) of accumulated precipitation. In Lewiston, during the entire year, the rain falls for 103.5 days and collects up to 14.96" (380mm) of precipitation.Snowfall
In Lewiston, snow does not fall in June through September.Daylight
In Lewiston, the average length of the day in August is 13h and 58min.On the first day of August, sunrise is at 5:29 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:18 pm EDT.
Sunshine
With an average of 10.1h of sunshine, August has the most sunshine of the year in Lewiston.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lewiston, ME
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 56.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in August
Lewiston, ME
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Lewiston, ME
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Lewiston, ME
- Average humidity in August: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Lewiston, ME
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in August
Lewiston, ME
- Average rainfall days in August: 11.1 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (4 days).
Average snowfall in August
Lewiston, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Lewiston, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.7 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, ME
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Lewiston, ME
- Average sunshine days in August: 17.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (16.2 days).
Average UV index in August
Lewiston, ME
- 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, March, October, November and December (UV index 2).
Average cloud cover in August
Lewiston, ME
- Average cloud cover in August: 36
The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in August
Lewiston, ME
- Average visibility in August: 5mi
The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).
