July weather forecast
Winston, OR

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Weather in July

July is a warm summer month in Winston, Oregon, with an average temperature varying between 79.7°F (26.5°C) and 46.9°F (8.3°C).

Temperature

The beginning of July signals a minor rise in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in June to a moderately hot 79.7°F (26.5°C). July nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a frosty 46.9°F (8.3°C).

Humidity

July and August, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Winston, Oregon, in July, it is raining for 3.5 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 148.4 rainfall days, and 25" (635mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In July, the average length of the day is 14h and 59min.
On the first day of July, sunrise is at 5:38 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:35 pm PDT.

Sunshine

July and August, with an average of 11h of sunshine, are months with the most sunshine.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during July translates into the following guidance:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature?

An average high-temperature, in July, in Winston, is 79.7°F (26.5°C) and the average low-temperature is 46.9°F (8.3°C).

What are the least humid months in Winston?

July and August, with an average relative humidity of 71%, are the least humid months.

What is the average humidity in July?

In Winston, the average relative humidity in July is 71%.

How many days does it rain in July?

In Winston, during July, the rain falls for 3.5 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Winston have in July?

In July, the average day length is 14h and 59min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:35 pm PDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 11h of sunshine.

How many hours of sunshine does Winston have in July?

In Winston, the average sunshine duration in July is 11h.

When is the highest UV index?

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

How high is the UV index in July in Winston?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Winston, OR

Average temperature in July - Winston, OR
  • Average high temperature in July: 79.7°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).

  • Average low temperature in July: 46.9°F

The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

Average pressure in July
Winston, OR

Average pressure in July - Winston, OR
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in July
Winston, OR

Average wind speed in July - Winston, OR
  • Average wind speed in July: 3.8mph

The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).

Average humidity in July
Winston, OR

Average humidity in July - Winston, OR
  • Average humidity in July: 71%

The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in July
Winston, OR

Average rainfall in July - Winston, OR
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days in July
Winston, OR

Average rainfall days in July - Winston, OR
  • Average rainfall days in July: 3.5 days

The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in July
Winston, OR

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

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Winston, OR

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

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Winston, OR
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 11h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in July
Winston, OR

Average sunshine days in July - Winston, OR
  • Average sunshine days in July: 25.7 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in July
Winston, OR

Average UV index in July - Winston, OR
  • 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, November and December (UV index 2).

Average cloud cover in July
Winston, OR

Average cloud cover in July - Winston, OR
  • Average cloud cover in July: 31

The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in July
Winston, OR

Average visibility in July - Winston, OR
  • Average visibility in July: 4mi

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

Winston, Oregon, USA

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