July weather forecast
Sumner, ME

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Weather in July

July is a warm summer month in Sumner, Maine, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 55.4°F (13°C).

Temperature

The warmest month is July, with an average high-temperature of 76.8°F (24.9°C) and an average low-temperature of 55.4°F (13°C).

Humidity

In Sumner, the average relative humidity in July is 78%.

Rainfall

July is the month with the least rainfall. Rain falls for 14.8 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July in Sumner is 15h and 8min.
On the first day of July, sunrise is at 5:01 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:07 pm EDT.

Sunshine

In Sumner, the average sunshine in July is 9.5h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 during July translates into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July is the warmest month, with an average high-temperature of 76.8°F (24.9°C) and an average low-temperature of 55.4°F (13°C).

What is the average July temperature?

The high-temperature during July is 76.8°F (24.9°C) and the low-temperature is 55.4°F (13°C).

What is the average humidity in July?

The average relative humidity in July is 78%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 14.8 days and accumulates 1.85" (47mm) of precipitation.

How much does it rain in July?

In Sumner, in July, during 14.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Sumner have in July?

The average day length in July is 15h and 8min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:01 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:07 pm EDT.

How many hours of sunshine does Sumner have in July?

In Sumner, the average sunshine duration in July is 9.5h.

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.

How high is the UV index in July?

The average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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 July
Sumner, ME

Average temperature in July - Sumner, ME
  • Average high temperature in July: 76.8°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in July: 55.4°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).

Average pressure in July
Sumner, ME

Average pressure in July - Sumner, 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).

Average wind speed in July
Sumner, ME

Average wind speed in July - Sumner, ME
  • Average wind speed in July: 4.8mph

The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in July
Sumner, ME

Average humidity in July - Sumner, ME
  • Average humidity in July: 78%

The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).

Average rainfall in July
Sumner, ME

Average rainfall in July - Sumner, ME
  • Average rainfall in July: 1.85"

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").

Average rainfall days in July
Sumner, ME

Average rainfall days in July - Sumner, ME
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in July
Sumner, ME

Average snowfall in July - Sumner, ME
  • Average snowfall in July: 0"

The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Sumner, ME

Average snowfall days in July - Sumner, ME
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Sumner, ME

Average daylight in July / Average sunshine in July - Sumner, ME
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in July: 9h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in July
Sumner, ME

Average sunshine days in July - Sumner, ME
  • Average sunshine days in July: 13.8 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

Average UV index in July
Sumner, ME

Average UV index in July - Sumner, ME
  • Average UV index in July: 5

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

Average cloud cover in July
Sumner, ME

Average cloud cover in July - Sumner, ME
  • Average cloud cover in July: 41

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).

Average visibility in July
Sumner, ME

Average visibility in July - Sumner, ME
  • Average visibility in July: 4mi

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

Sumner, Maine, USA

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