July weather forecast
Sumpter, OR

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Weather in July

July is a warm summer month in Sumpter, Oregon, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 81.7°F (27.6°C).

Temperature

July is the warmest month, with the temperature often reaching an average high of 81.7°F (27.6°C) and an average low of 52.3°F (11.3°C).

Heat index

For July, the heat index is appraised at 80.6°F (27°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In July, the average relative humidity is 42%.

Rainfall

In Sumpter, in July, it is raining for 4.8 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 113.5 rainfall days, and 12.56" (319mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 15h and 10min.
On the first day of July, sunrise is at 5:11 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm PDT.

Sunshine

In July, the average sunshine is 12h.

UV index

July is the month with the highest UV index in Sumpter, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

In Sumpter, the peak average temperatures are observed in July, with a high of 81.7°F (27.6°C) and a low of 52.3°F (11.3°C).

What is the average July temperature?

The high-temperature during July is 81.7°F (27.6°C) and the low-temperature is 52.3°F (11.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is appraised at 80.6°F (27°C).

What is the average humidity in July?

In Sumpter, Oregon, the average relative humidity in July is 42%.

How much does it rain in July?

In Sumpter, during July, the rain falls for 4.8 days and regularly aggregates up to 0.35" (9mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Sumpter have in July?

The average day length in July is 15h and 10min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm PDT.

How long on average sun shines in July in Sumpter?

In July, the average sunshine duration is 12h.

When is the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Sumpter, OR

Average temperature in July - Sumpter, OR
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in July: 52.3°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

Average pressure in July
Sumpter, OR

Average pressure in July - Sumpter, OR
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed in July
Sumpter, OR

Average wind speed in July - Sumpter, OR
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).

Average humidity in July
Sumpter, OR

Average humidity in July - Sumpter, OR
  • Average humidity in July: 42%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).

Average rainfall in July
Sumpter, OR

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

The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in July
Sumpter, OR

Average rainfall days in July - Sumpter, OR
  • Average rainfall days in July: 4.8 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).

Average snowfall in July
Sumpter, OR

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

The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Sumpter, OR

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

The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Sumpter, OR
  • 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: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in July
Sumpter, OR

Average sunshine days in July - Sumpter, OR
  • Average sunshine days in July: 22.7 days

The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).

Average UV index in July
Sumpter, OR

Average UV index in July - Sumpter, 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
Sumpter, OR

Average cloud cover in July - Sumpter, OR
  • Average cloud cover in July: 9

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in July
Sumpter, OR

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

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

Sumpter, Oregon, USA

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