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
With the advent of August, South Portland experiences an average high-temperature of a still agreeable 72.3°F (22.4°C), mirroring a close resemblance to the previous month. An average low-temperature of 61.9°F (16.6°C) is noted during the nights in August.Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 13.4 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 127 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 63.9°F (17.7°C).Note: Swimming is not a pleasurable activity for the majority in water at 63.9°F (17.7°C). Breathing control gets harder as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In August, the average length of the day is 13h and 56min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:03 pm. On the last day of August, in South Portland, sunrise is at 6:04 am and sunset at 7:17 pm EDT.
Sunshine
The month with the most sunshine in South Portland is August, with an average of 10.7h 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 medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in South Portland?
What is the average humidity in August in South Portland?
How many days does it rain in August in South Portland?
When it does not snow in South Portland?
What month is the ocean warmest in South Portland?
How cold is the water in August in South Portland?
What is the average length of the day in August in South Portland?
When are sunrise and sunset in August in South Portland?
What month has the most sunshine in South Portland?
How long on average sun shines in August in South Portland?
When is the highest UV index in South Portland?
What is the UV index intensity in August in South Portland?
Average temperature in August
South Portland, ME
- Average high temperature in August: 72.3°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
South Portland, 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
South Portland, ME
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in August
South Portland, ME
- Average humidity in August: 80%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in August
South Portland, ME
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in August
South Portland, ME
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in August
South Portland, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
South Portland, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
South Portland, ME
- Average sea temperature in August: 63.7°F
The best month for swimming (with the highest average sea temperature) is August (63.7°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in August /
Average sunshine in August
South Portland, ME
- Average daylight in August: 13h and 5min
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: 10h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in August
South Portland, ME
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in August
South Portland, 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
South Portland, ME
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
South Portland, ME
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
South Portland, Maine, USA
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