July weather forecast
The Dalles, OR

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Weather in July

July represents the warmest month in The Dalles with maximum daytime temperatures reaching 81.7°F (27.6°C). It is coupled with an incredible 15.3 hours of daylight, making it the month with the most extended days. The minimal rainfall of 0.16" (4mm) makes the weather dry and sunny, bringing forth the epitome of perfect summer days. Picnicking by the river, wine tasting, and star gazing are common attractions for locals and tourists alike in July.

Temperature

The warmest period in The Dalles is July, when temperatures fluctuate between an average high of 81.7°F (27.6°C) and a low of 54.7°F (12.6°C).

Heat index

Throughout July, the heat index is estimated at 82.4°F (28°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The months with the lowest humidity in The Dalles are July and August, with an average relative humidity of 51%.

Rainfall

The month with the least rainfall in The Dalles is July, when the rain falls for 3.3 days and typically collects 0.16" (4mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in July in The Dalles is 15h and 16min.
On the first day of July, sunrise is at 5:20 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:33 pm PDT.

Sunshine

The month with the most sunshine in The Dalles is July, with an average of 12h of sunshine.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index in The Dalles. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Fend off overexposure. Sun protection is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in The Dalles?

The Dalles's temperatures tend to reach their peak averages in July, with a high of 81.7°F (27.6°C) and a low of 54.7°F (12.6°C).

What are July temperatures in The Dalles?

July temperatures vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 54.7°F (12.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 82.4°F (28°C).

What are the least humid months in The Dalles?

The months with the lowest humidity in The Dalles are July and August, with an average relative humidity of 51%.

What is the average humidity in July in The Dalles?

The average relative humidity in July in The Dalles, Oregon, is 51%.

What is the driest month in The Dalles?

The month with the least rainfall in The Dalles is July, when the rain falls for 3.3 days and typically collects 0.16" (4mm) of precipitation.

How much does it rain in The Dalles in July?

In The Dalles, in July, it is raining for 3.3 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in The Dalles?

In The Dalles, Oregon, snow does not fall in April through October.

What is the average length of the day in July in The Dalles?

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

When is the sunrise / sunset in July in The Dalles?

On the first day of July in The Dalles, sunrise is at 5:20 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:33 pm PDT.

What month has the most sunshine in The Dalles?

July has the most sunshine of the year, with an average of 12h of sunshine.

How many hours of sunshine does The Dalles have in July?

In The Dalles, the average sunshine duration in July is 12h.

What is the month with the highest UV index in The Dalles?

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

What is the UV index intensity in July in The Dalles?

The average daily maximum UV index in July in The Dalles is 6. A UV Index value 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
The Dalles, OR

Average temperature in July - The Dalles, 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 (37°F).

  • Average low temperature in July: 54.7°F

The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

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Average pressure in July
The Dalles, OR

Average pressure in July - The Dalles, OR
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in July
The Dalles, OR

Average wind speed in July - The Dalles, OR
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

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Average humidity in July
The Dalles, OR

Average humidity in July - The Dalles, OR
  • Average humidity in July: 51%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).

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Average rainfall in July
The Dalles, OR

Average rainfall in July - The Dalles, OR
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in July
The Dalles, OR

Average rainfall days in July - The Dalles, OR
  • Average rainfall days in July: 3.3 days

The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in July
The Dalles, OR

Average snowfall in July - The Dalles, OR
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
The Dalles, OR

Average snowfall days in July - The Dalles, OR
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
The Dalles, OR

Average daylight in July / Average sunshine in July - The Dalles, 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: 12h and 0min

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

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Average sunshine days in July
The Dalles, OR

Average sunshine days in July - The Dalles, OR
  • Average sunshine days in July: 26.8 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).

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Average UV index in July
The Dalles, OR

Average UV index in July - The Dalles, 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, November and December (UV index 2).

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Average cloud cover in July
The Dalles, OR

Average cloud cover in July - The Dalles, OR
  • Average cloud cover in July: 10

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in July
The Dalles, OR

Average visibility in July - The Dalles, OR
  • Average visibility in July: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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The Dalles, Oregon, USA

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