Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The month of July, characterized by an average high of 72.5°F (22.5°C) and a low of 62.2°F (16.8°C), is recognized as the warmest in South Portland.Humidity
June and July, with an average relative humidity of 82%, are the most humid months.Rainfall
In South Portland, in July, it is raining for 14.7 days, with typically 1.85" (47mm) of accumulated precipitation. In South Portland, during the entire year, the rain falls for 127 days and collects up to 21.93" (557mm) of precipitation.Snowfall
May through September are months without snowfall.Ocean temperature
In July, the average ocean temperature in South Portland, Maine, is 61.3°F (16.3°C).Note: Swimming is not a pleasant activity for most when the water temperature is 61.3°F (16.3°C). As the water temperature drops from 69.8°F (21°C) to 59°F (15°C), breathing becomes more difficult to control.
Daylight
The average length of the day in July is 15h and 3min.On the first day of July in South Portland, Maine, sunrise is at 5:03 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:04 pm EDT.
Sunshine
In July, the average sunshine in South Portland is 10.3h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in July translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in South Portland?
What is the temperature in July in South Portland?
What are the most humid months in South Portland?
What is the average humidity in July in South Portland?
How much does it rain in South Portland in July?
When it does not snow in South Portland?
What is the ocean temperature in July in South Portland?
What is the average length of the day in July in South Portland?
When is the sunrise / sunset in July in South Portland?
How long on average sun shines in July in South Portland?
When is the highest UV index in South Portland?
What is the UV index reading in July in South Portland?
Average temperature in July
South Portland, ME
- Average high temperature in July: 72.5°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 July: 62.2°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 July
South Portland, ME
- Average pressure in July: 29.93"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 July
South Portland, ME
- Average wind speed in July: 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 July
South Portland, ME
- Average humidity in July: 82%
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 July
South Portland, ME
- Average rainfall in July: 1.85"
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 July
South Portland, ME
- Average rainfall days in July: 14.7 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 July
South Portland, ME
- Average snowfall in July: 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 July
South Portland, ME
- Average snowfall days in July: 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 July
South Portland, ME
- Average sea temperature in July: 61.3°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 July /
Average sunshine in July
South Portland, ME
- Average daylight in July: 15h and 1min
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 July: 10h and 2min
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 July
South Portland, ME
- Average sunshine days in July: 13.8 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 July
South Portland, ME
- Average UV index in July: 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 July
South Portland, ME
- Average cloud cover in July: 32
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 July
South Portland, ME
- Average visibility in July: 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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