August weather forecast
Biddeford, ME

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Weather in August

In Biddeford, August subtly echoes July's charming warmth, with the temperature touching a high of 74.1°F (23.4°C). The humidity levels gradually begin to decrease, marking the start of the transition phase towards the cooler months. Long daylight hours persist, keeping the city illumined. Water-based activities continue in full swing, leveraging the comfortable weather conditions. With September approaching, a shift towards autumn becomes discernable.

Temperature

The transition from July to August sees average high-temperatures adjusting to a still warm 74.1°F (23.4°C), from a not significantly different 74.5°F (23.6°C). During August nights, Biddeford records an average temperature of 60.6°F (15.9°C).

Humidity

The average relative humidity in August is 80%.

Rainfall

In Biddeford, Maine, during August, the rain falls for 12.1 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 133.9 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Biddeford, the average length of the day in August is 13h and 55min.
On the first day of August, sunrise is at 5:32 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:18 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.3h of sunshine.

UV index

With an average maximum UV index of 6, August is the month with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

An average high-temperature, in August, in Biddeford, is 74.1°F (23.4°C) and the average low-temperature is 60.6°F (15.9°C).

What is the average humidity in August?

In Biddeford, the average relative humidity in August is 80%.

How many days does it rain in August?

In August, the rain falls for 12.1 days. Throughout August, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 55min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:32 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:18 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

How long on average sun shines in August?

In Biddeford, Maine, the average sunshine duration in August is 10.3h.

When is the highest UV index?

August is the month with the highest UV index, with an average maximum UV index of 6.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Biddeford, ME

Average temperature in August - Biddeford, ME
  • Average high temperature in August: 74.1°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 60.6°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in August
Biddeford, ME

Average pressure in August - Biddeford, 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
Biddeford, ME

Average wind speed in August - Biddeford, ME
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in August
Biddeford, ME

Average humidity in August - Biddeford, 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 (75%).

Average rainfall in August
Biddeford, ME

Average rainfall in August - Biddeford, ME
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in August
Biddeford, ME

Average rainfall days in August - Biddeford, ME
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Biddeford, ME

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

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Biddeford, ME

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Biddeford, 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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in August
Biddeford, ME

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

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).

Average UV index in August
Biddeford, ME

Average UV index in August - Biddeford, ME
  • Average UV index in August: 6

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August
Biddeford, ME

Average cloud cover in August - Biddeford, 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
Biddeford, ME

Average visibility in August - Biddeford, 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).

Biddeford, Maine, USA

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