July weather forecast
Lewiston, ME

Weather in July

July in Lewiston, Maine, is a moderately hot summer month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.5°F (25.3°C).

Temperature

The warmest month is July, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57.7°F (14.3°C).

Humidity

In Lewiston, Maine, the average relative humidity in July is 80%.

Rainfall

In Lewiston, it is raining for 12.7 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, in Lewiston, Maine, there are 103.5 rainfall days, and 14.96" (380mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Lewiston, the average length of the day in July is 15h and 6min.
On the first day of July, sunrise is at 5:01 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:06 pm EDT.

Sunshine

The average sunshine in July is 9.9h.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index in Lewiston. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Lewiston?

July is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57.7°F (14.3°C).

What is the temperature in July in Lewiston?

In Lewiston, Maine, in July, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 57.7°F (14.3°C).

What is the average humidity in July in Lewiston?

In July, the average relative humidity is 80%.

How much does it rain in Lewiston in July?

In Lewiston, in July, it is raining for 12.7 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Lewiston?

In Lewiston, snow does not fall in June through September.

How many hours of daylight does Lewiston have in July?

In July, the average day length in Lewiston, Maine, is 15h and 6min.

When is the sunrise / sunset in July in Lewiston?

On the first day of July in Lewiston, sunrise is at 5:01 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:06 pm EDT.

How many hours of sunshine does Lewiston have in July?

In Lewiston, Maine, the average sunshine duration in July is 9.9h.

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

With an average maximum UV index of 6, July is the month with the highest UV index in Lewiston.

How high is the UV index in July in Lewiston?

In Lewiston, Maine, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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 July
Lewiston, ME

Average temperature in July - Lewiston, ME
  • Average high temperature in July: 77.5°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 July: 57.7°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 July
Lewiston, ME

Average pressure in July - Lewiston, ME
  • Average pressure in July: 29.93"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 July
Lewiston, ME

Average wind speed in July - Lewiston, ME
  • Average wind speed in July: 5.1mph

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 July
Lewiston, ME

Average humidity in July - Lewiston, ME
  • Average humidity in July: 80%

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 July
Lewiston, ME

Average rainfall in July - Lewiston, ME
  • Average rainfall in July: 1.1"

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 July
Lewiston, ME

Average rainfall days in July - Lewiston, ME
  • Average rainfall days in July: 12.7 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 July
Lewiston, ME

Average snowfall in July - Lewiston, ME
  • Average snowfall in July: 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 July
Lewiston, ME

Average snowfall days in July - Lewiston, ME
  • Average snowfall days in July: 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 July /
Average sunshine in July
Lewiston, ME

Average daylight in July / Average sunshine in July - Lewiston, ME
  • Average daylight in July: 15h and 6min

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 July: 9h and 54min

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 July
Lewiston, ME

Average sunshine days in July - Lewiston, ME
  • Average sunshine days in July: 16.2 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 July
Lewiston, ME

Average UV index in July - Lewiston, ME
  • Average UV index in July: 6

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 July
Lewiston, ME

Average cloud cover in July - Lewiston, ME
  • Average cloud cover in July: 38

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 July
Lewiston, ME

Average visibility in July - Lewiston, ME
  • Average visibility in July: 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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