July weather forecast
Umatilla, OR

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Weather in July

July is a hot summer month in Umatilla, Oregon, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 89.1°F (31.7°C).

Temperature

Umatilla's July weather, with an average high temperature of 89.1°F (31.7°C) and an average low temperature of 62.8°F (17.1°C), tends to be the warmest of the year.

Humidity

July and August, with an average relative humidity of 36%, are the least humid months.

Rainfall

July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.16" (4mm) of precipitation.

Snowfall

April through August and October are months without snowfall in Umatilla.

Daylight

The average length of the day in July is 15h and 19min.
On the first day of July in Umatilla, sunrise is at 5:11 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:27 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 7 in July, converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What are the warmest months?

Umatilla's July weather, with an average high temperature of 89.1°F (31.7°C) and an average low temperature of 62.8°F (17.1°C), tends to be the warmest of the year.

Is it hot during July?

In July, the average high-temperature and low-temperature are 89.1°F (31.7°C) and 62.8°F (17.1°C) respectively.

What are the least humid months?

July and August, with an average relative humidity of 36%, are the least humid months.

What is the average humidity in July?

In Umatilla, the average relative humidity in July is 36%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.16" (4mm) of precipitation.

How much does it rain in July?

In Umatilla, in July, during 3.8 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow?

In Umatilla, snow does not fall in April through August and October.

What is the average length of the day in July?

In July, the average day length is 15h and 19min.

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 8:51 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:27 pm PDT.

What is the month with the most sunshine?

The months with the most sunshine in Umatilla are July and August, with an average of 12h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 12h.

When is the highest UV index?

With an average maximum UV index of 7, July is the month with the highest UV index in Umatilla.

How high is the UV index in July?

In Umatilla, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high 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
Umatilla, OR

Average temperature in July - Umatilla, OR
  • Average high temperature in July: 89.1°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in July: 62.8°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).

Average pressure in July
Umatilla, OR

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in July
Umatilla, OR

Average wind speed in July - Umatilla, OR
  • Average wind speed in July: 7.7mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).

Average humidity in July
Umatilla, OR

Average humidity in July - Umatilla, OR
  • Average humidity in July: 36%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).

Average rainfall in July
Umatilla, OR

Average rainfall in July - Umatilla, OR
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in July
Umatilla, OR

Average rainfall days in July - Umatilla, OR
  • Average rainfall days in July: 3.8 days

The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).

Average snowfall in July
Umatilla, OR

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

The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in July
Umatilla, OR

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

The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in July
Umatilla, OR

Average sunshine days in July - Umatilla, OR
  • Average sunshine days in July: 25.3 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).

Average UV index in July
Umatilla, OR

Average UV index in July - Umatilla, OR
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Umatilla, OR

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

The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in July
Umatilla, OR

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

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

Umatilla, Oregon, USA

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