August weather forecast
Porterfield, ME

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Weather in August

The last month of the summer, August, is another warm month in Porterfield, Maine, with an average temperature fluctuating between 55°F (12.8°C) and 77.2°F (25.1°C).

Temperature

August's arrival brings an average high-temperature of a still moderately hot 77.2°F (25.1°C), demonstrating subtle variation from the preceding month. Despite a significant deviation from daily highs, August sees an average nighttime temperature of 55°F (12.8°C).

Humidity

In Porterfield, the average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 12.5 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. In Porterfield, during the entire year, the rain falls for 131.2 days and collects up to 25.59" (650mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Porterfield, the average length of the day in August is 13h and 56min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:06 am and sunset at 7:20 pm EDT.

Sunshine

The month with the most sunshine in Porterfield, Maine, is August, with an average of 10.1h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In August, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Porterfield?

Porterfield in August has an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 55°F (12.8°C).

What is the average humidity in August in Porterfield?

In August, the average relative humidity in Porterfield, Maine, is 78%.

How much does it rain in Porterfield in August?

In Porterfield, in August, during 12.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Porterfield?

June through September are months without snowfall in Porterfield, Maine.

What is the average length of the day in August in Porterfield?

In Porterfield, the average day length in August is 13h and 56min.

When is the sunrise / sunset in August in Porterfield?

In August, on the first day of the month, sunrise is at 5:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:20 pm EDT.

What month has the most sunshine in Porterfield?

The month with the most sunshine in Porterfield, Maine, is August, with an average of 10.1h of sunshine.

How long on average sun shines in August in Porterfield?

The average sunshine duration in August in Porterfield is 10.1h.

What is the month with the highest UV index in Porterfield?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in August in Porterfield?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Porterfield, ME

Average temperature in August - Porterfield, ME
  • Average high temperature in August: 77.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in August
Porterfield, ME

Average pressure in August - Porterfield, ME
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Porterfield, ME

Average wind speed in August - Porterfield, ME
  • Average wind speed in August: 4.2mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Porterfield, ME

Average humidity in August - Porterfield, ME
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
Porterfield, ME

Average rainfall in August - Porterfield, ME
  • Average rainfall in August: 1.97"

The wettest months (with the highest rainfall) are April and October (2.64").
The driest month (with the least rainfall) is September (1.22").

Average rainfall days in August
Porterfield, ME

Average rainfall days in August - Porterfield, ME
  • Average rainfall days in August: 12.5 days

The months with the highest number of rainy days are April and July (14.3 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in August
Porterfield, ME

Average snowfall in August - Porterfield, ME
  • Average snowfall in August: 0"

The month with the highest snowfall is February (9.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Porterfield, ME

Average snowfall days in August - Porterfield, ME
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Porterfield, ME

Average daylight in August / Average sunshine in August - Porterfield, 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 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 36min).

Average sunshine days in August
Porterfield, ME

Average sunshine days in August - Porterfield, ME
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in August
Porterfield, ME

Average UV index in August - Porterfield, ME
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in August
Porterfield, ME

Average cloud cover in August - Porterfield, ME
  • Average cloud cover in August: 36

The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 36).

Average visibility in August
Porterfield, ME

Average visibility in August - Porterfield, ME
  • Average visibility in August: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Porterfield, Maine, USA

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