July weather forecast
Summerville, OR

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Weather in July

July is a moderately hot summer month in Summerville, Oregon, with an average temperature fluctuating between 49.5°F (9.7°C) and 80.6°F (27°C).

Temperature

Entering July, Summerville sees a temperature rise, with the average high-temperature advancing from June's pleasant 68.9°F (20.5°C) to a warm 80.6°F (27°C). In Summerville, following the steep rise of daytime temperatures, an average nighttime low of 49.5°F (9.7°C) is anticipated during July.

Heat index

During July, the heat index is evaluated at 80.6°F (27°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In July, the average relative humidity is 50%.

Rainfall

The month with the least rainfall is July, when the rain falls for 5.3 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Summerville, snow does not fall in June through August.

Daylight

In Summerville, the average length of the day in July is 15h and 16min.
On the first day of July, sunrise is at 5:07 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:20 pm PDT.

Sunshine

The average sunshine in July is 11.9h.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature?

Summerville in July has an average high-temperature of 80.6°F (27°C) and an average low-temperature of 49.5°F (9.7°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 80.6°F (27°C).

What is the average humidity in July in Summerville?

The average relative humidity in July is 50%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in July in Summerville?

In Summerville, in July, during 5.3 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow?

June through August are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 15h and 16min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:07 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:20 pm PDT.

How many hours of sunshine does Summerville have in July?

In Summerville, the average sunshine duration in July is 11.9h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes 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 July
Summerville, OR

Average temperature in July - Summerville, OR
  • Average high temperature in July: 80.6°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (33.8°F).

  • Average low temperature in July: 49.5°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average pressure in July
Summerville, OR

Average pressure in July - Summerville, OR
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in July
Summerville, OR

Average wind speed in July - Summerville, OR
  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in July
Summerville, OR

Average humidity in July - Summerville, OR
  • Average humidity in July: 50%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (47%).

Average rainfall in July
Summerville, OR

Average rainfall in July - Summerville, OR
  • Average rainfall in July: 0.35"

The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in July
Summerville, OR

Average rainfall days in July - Summerville, OR
  • Average rainfall days in July: 5.3 days

The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (4.3 days).

Average snowfall in July
Summerville, OR

Average snowfall in July - Summerville, OR
  • Average snowfall in July: 0"

The month with the highest snowfall is February (13.62").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Summerville, OR

Average snowfall days in July - Summerville, OR
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are February and December (14.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Summerville, OR

Average daylight in July / Average sunshine in July - Summerville, OR
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in July
Summerville, OR

Average sunshine days in July - Summerville, OR
  • Average sunshine days in July: 23.8 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is March (7.6 days).

Average UV index in July
Summerville, OR

Average UV index in July - Summerville, OR
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in July
Summerville, OR

Average cloud cover in July - Summerville, OR
  • Average cloud cover in July: 11

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in July
Summerville, OR

Average visibility in July - Summerville, OR
  • Average visibility in July: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).

Summerville, Oregon, USA

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