August weather forecastHarrison, ME
August
Weather in August
The last month of the summer, August, is another warm month in Harrison, Maine, with temperature in the range of an average high of 77°F (25°C) and an average low of 55.2°F (12.9°C).Temperature
As July transitions into August, Harrison records an average high-temperature of a still warm 77°F (25°C), showing a gentle shift from the preceding month. August nights present a stark temperature decrease to a cool 55.2°F (12.9°C).Humidity
The average relative humidity in August is 79%.Rainfall
In Harrison, in August, it is raining for 14.3 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 146 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
In Harrison, snow does not fall in June through September.Daylight
In Harrison, the average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:31 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:05 am and sunset at 7:20 pm EDT.
Sunshine
With an average of 10.2h of sunshine, August has the most sunshine of the year in Harrison.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harrison, ME
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in August: 55.2°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in August
Harrison, ME
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Harrison, ME
- Average wind speed in August: 4.3mph
The windiest months (with the highest average wind speed) are January, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in August
Harrison, ME
- Average humidity in August: 79%
The months with the highest relative humidity are January, February and March (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Harrison, ME
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Harrison, ME
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in August
Harrison, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harrison, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harrison, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Harrison, ME
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in August
Harrison, ME
- 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, October, November and December (UV index 2).
Average cloud cover in August
Harrison, ME
- Average cloud cover in August: 36
The months with the most cloud cover are February, March and April (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in August
Harrison, ME
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





