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 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 registers as the month with the highest average temperatures, reaching 73.4°F (23°C) at its peak and 57.7°F (14.3°C) at the lowest.Humidity
In Southwest Harbor, Maine, the average relative humidity in August is 80%.Rainfall
In Southwest Harbor, during August, the rain falls for 10.4 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Southwest Harbor, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
In Southwest Harbor, snow does not fall in June through September.Daylight
In Southwest Harbor, the average length of the day in August is 13h and 58min.On the first day of August, sunrise is at 5:21 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:10 pm EDT.
Sunshine
The month with the most sunshine in Southwest Harbor is August, with an average of 10.1h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Southwest Harbor?
What is the average August temperature in Southwest Harbor?
What is the average humidity in August in Southwest Harbor?
How much does it rain in Southwest Harbor in August?
When it does not snow in Southwest Harbor?
How many hours of daylight does Southwest Harbor have in August?
When are sunrise and sunset in August in Southwest Harbor?
What month has the most sunshine in Southwest Harbor?
How long on average sun shines in August in Southwest Harbor?
What is the month with the highest UV index in Southwest Harbor?
What is the UV index intensity in August in Southwest Harbor?
Average temperature in August
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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 daylight in August /
Average sunshine in August
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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
Southwest Harbor, 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).
Southwest Harbor, Maine, USA
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