August weather forecast
Lewiston, ME

Weather in August

August, the last month of the summer in Lewiston, is also a moderately hot month, with an average temperature ranging between min 56.5°F (13.6°C) and max 76.8°F (24.9°C).

Temperature

In Lewiston, the average high-temperature in August is almost the same as in July - a still moderately hot 76.8°F (24.9°C). The average low-temperature, in Lewiston, is 56.5°F (13.6°C).

Humidity

In Lewiston, the average relative humidity in August is 79%.

Rainfall

In Lewiston, during 11.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Lewiston, during the entire year, the rain falls for 103.5 days and collects up to 14.96" (380mm) of precipitation.

Snowfall

June through September are months without snowfall in Lewiston.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 5:29 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:19 pm EDT.

Sunshine

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

UV index

In Lewiston, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Lewiston?

In Lewiston, Maine, in August, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 56.5°F (13.6°C).

What is the average humidity in August in Lewiston?

In Lewiston, Maine, the average relative humidity in August is 79%.

How many days does it rain in August in Lewiston?

In Lewiston, in August, it is raining for 11.1 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Lewiston?

June through September are months without snowfall.

How many hours of daylight does Lewiston have in August?

In August, the average day length in Lewiston is 13h and 58min.

When are sunrise and sunset in August in Lewiston?

In August, on the first day of the month, sunrise is at 5:29 am and sunset at 8:05 pm. On the last day of the month, in Lewiston, Maine, sunrise is at 6:03 am and sunset at 7:19 pm EDT.

What month has the most sunshine in Lewiston?

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

How long on average sun shines in August in Lewiston?

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

What is the UV index intensity in August in Lewiston?

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

Average temperature in August
Lewiston, ME

Average temperature in August - Lewiston, ME
  • Average high temperature in August: 76.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in August: 56.5°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in August
Lewiston, ME

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

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

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Average wind speed in August
Lewiston, ME

Average wind speed in August - Lewiston, ME
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in August
Lewiston, ME

Average humidity in August - Lewiston, ME
  • Average humidity in August: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in August
Lewiston, ME

Average rainfall in August - Lewiston, ME
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in August
Lewiston, ME

Average rainfall days in August - Lewiston, ME
  • Average rainfall days in August: 11.1 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall in August
Lewiston, ME

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

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Lewiston, ME

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lewiston, ME
  • Average daylight in August: 13h and 58min

The month with the longest days is June (Average daylight: 15h and 26min).
The month with the shortest days is December (Average daylight: 8h and 57min).

  • Average sunshine in August: 10h and 6min

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).

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Average sunshine days in August
Lewiston, ME

Average sunshine days in August - Lewiston, ME
  • Average sunshine days in August: 17.5 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (16.2 days).

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Average UV index in August
Lewiston, ME

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

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

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Average cloud cover in August
Lewiston, ME

Average cloud cover in August - Lewiston, 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).

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Average visibility in August
Lewiston, ME

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

The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).

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