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 sea temperature 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
August temperatures tend to peak at an average high of 73.4°F (23°C) and dip to a low of 57.7°F (14.3°C).Humidity
In Sullivan, Maine, the average relative humidity in August is 80%.Rainfall
In Sullivan, during August, the rain falls for 10.4 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Sullivan, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.Snowfall
June through September are months without snowfall.Ocean temperature
With an average ocean temperature of 56.8°F (13.8°C), August is the month with the warmest seawater in Sullivan.Note: Immersing oneself in 56.8°F (13.8°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
The average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 5:20 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:10 pm EDT.
Sunshine
August has the most sunshine of the year in Sullivan, Maine, with an average of 10.1h of sunshine.UV index
The months with the highest UV index in Sullivan are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during August translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the hottest time of year in Sullivan?
What is the average August temperature in Sullivan?
What is the average humidity in August in Sullivan?
How much does it rain in Sullivan in August?
When it does not snow in Sullivan?
When is the ocean warmest in Sullivan?
What is the water temperature in August in Sullivan?
How many hours of daylight does Sullivan have in August?
When are sunrise and sunset in August in Sullivan?
What month has the most sunshine in Sullivan?
How long on average sun shines in August in Sullivan?
What are the months with the highest UV index in Sullivan?
What is the UV index intensity in August in Sullivan?
Average temperature in August
Sullivan, ME
- Average high temperature in August: 73.4°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Sullivan, ME
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Sullivan, ME
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Sullivan, ME
- Average humidity in August: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Sullivan, ME
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in August
Sullivan, ME
- Average rainfall days in August: 10.4 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in August
Sullivan, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sullivan, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Sullivan, ME
- Average sea temperature in August: 56.8°F
The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in August /
Average sunshine in August
Sullivan, ME
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 1min
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 6min).
Average sunshine days in August
Sullivan, ME
- Average sunshine days in August: 18.7 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in August
Sullivan, 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, November and December (UV index 2).
Average cloud cover in August
Sullivan, ME
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in August
Sullivan, ME
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Sullivan, Maine, USA
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