August weather forecast
Brunswick, ME

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The calm Androscoggin River in Brunswick, Maine, with a rail bridge on it and scenic brown and golden trees on both sides mirrored in the water
The calm Androscoggin River in Brunswick, Maine, with a rail bridge on it and scenic brown and golden trees on both sides mirrored in the water

Weather in August

August in Brunswick, Maine, continues the warmth of July, with equal high temperatures and insignificant changes in humidity. However, there's augmentation to the amount of rainfall received, matching up with June's precipitation of 1.54" (39mm). The month also brings in increased wind gust speeds indicating the transition towards the upcoming fall season. Compared to July, August offers a beautiful blend of warm summer sunshine and refreshing showers.

Temperature

Brunswick experiences the peak of its temperatures in July and August, when the average high-temperatures rise to 73.4°F (23°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Brunswick, in August, during 11.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Brunswick, during the entire year, the rain falls for 115.5 days and collects up to 15.51" (394mm) of precipitation.

Snowfall

In Brunswick, snow does not fall in May through September.

Daylight

In Brunswick, the average length of the day in August is 13h and 57min.
On the first day of August in Brunswick, sunrise is at 5:29 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:17 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July and August, when the average high-temperature reaches 73.4°F (23°C), are the warmest months.

What are August temperatures?

An average high-temperature, in August, in Brunswick, is 73.4°F (23°C) and the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in August?

The average relative humidity in August is 81%.

How many days does it rain in August?

In Brunswick, in August, during 11.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

In Brunswick, snow does not fall in May through September.

What is the average length of the day in August?

In Brunswick, the average day length in August is 13h and 57min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:29 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:17 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10.4h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

In Brunswick, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Brunswick, ME

Average temperature in August - Brunswick, ME
  • Average high temperature in August: 73.4°F

The warmest months (with the highest average high temperature) are July and August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in August
Brunswick, ME

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

The month with the highest atmospheric pressure is September (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Brunswick, ME

Average wind speed in August - Brunswick, ME
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in August
Brunswick, ME

Average humidity in August - Brunswick, ME
  • Average humidity in August: 81%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).

Average rainfall in August
Brunswick, ME

Average rainfall in August - Brunswick, ME
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in August
Brunswick, ME

Average rainfall days in August - Brunswick, ME
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in August
Brunswick, ME

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

The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Brunswick, ME

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Brunswick, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in August
Brunswick, ME

Average sunshine days in August - Brunswick, ME
  • Average sunshine days in August: 16.9 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (15 days).

Average UV index in August
Brunswick, ME

Average UV index in August - Brunswick, 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
Brunswick, ME

Average cloud cover in August - Brunswick, ME
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Brunswick, ME

Average visibility in August - Brunswick, 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).

Brunswick, Maine, USA

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