August weather forecastDerby, ME
August
Weather in August
August, the last month of the summer in Derby, is another warm month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 75.9°F (24.4°C).Temperature
The shift into August uncovers an average high-temperature of a still moderately hot 75.9°F (24.4°C), subtly different from the previous month. August in Derby generally records an average low-temperature of 55.2°F (12.9°C).Humidity
In August, the average relative humidity is 78%.Rainfall
In August, in Derby, Maine, the rain falls for 15.2 days. Throughout August, 2.32" (59mm) of precipitation is accumulated. In Derby, during the entire year, the rain falls for 146.2 days and collects up to 27.17" (690mm) of precipitation.Snowfall
June through September are months without snowfall in Derby.Daylight
In August, the average length of the day is 14h and 2min.On the first day of August in Derby, sunrise is at 5:21 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:14 pm EDT.
Sunshine
August has the most sunshine of the year in Derby, Maine, with an average of 9.7h of sunshine.UV index
The months with the highest UV index in Derby are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in August translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Derby, ME
- Average high temperature in August: 75.9°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 (24.3°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 (11.1°F).
Average pressure in August
Derby, ME
- Average pressure in August: 29.95"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Derby, ME
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Derby, ME
- Average humidity in August: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Derby, ME
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in August
Derby, ME
- Average rainfall days in August: 15.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in August
Derby, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Derby, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Derby, ME
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Derby, ME
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in August
Derby, 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
Derby, ME
- Average cloud cover in August: 40
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in August
Derby, 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).
