August weather forecastLisbon, ME
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Lisbon, Maine, with an average temperature fluctuating between 76.5°F (24.7°C) and 57.9°F (14.4°C).Temperature
The dawn of August sees an average high-temperature of a still warm 76.5°F (24.7°C), subtly contrasting with July's 77°F (25°C). During August nights, Lisbon witnesses a consistent average temperature of 57.9°F (14.4°C).Humidity
In Lisbon, the average relative humidity in August is 80%.Rainfall
In Lisbon, in August, during 12.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Lisbon, during the entire year, the rain falls for 130.3 days and collects up to 27.87" (708mm) of precipitation.Snowfall
In Lisbon, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 58min.On the first day of the month, sunrise is at 5:29 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:03 am and sunset at 7:17 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lisbon, ME
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Lisbon, 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
Lisbon, ME
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Lisbon, ME
- Average humidity in August: 80%
The months with the highest relative humidity are January, February and March (82%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in August
Lisbon, ME
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Lisbon, ME
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in August
Lisbon, ME
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Lisbon, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lisbon, 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: 9h and 0min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in August
Lisbon, ME
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in August
Lisbon, 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
Lisbon, ME
- Average cloud cover in August: 37
The months with the most cloud cover are February, March and April (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in August
Lisbon, ME
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).





