July weather forecast
Vernonia, OR

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Weather in July

July is a moderately hot summer month in Vernonia, Oregon, with an average temperature fluctuating between 49.6°F (9.8°C) and 75.2°F (24°C).

Temperature

Observing a minor shift, the average high-temperature during July adjusts from June's pleasant 68.2°F (20.1°C) to a moderately hot 75.2°F (24°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 49.6°F (9.8°C) gets registered during July.

Humidity

With an average relative humidity of 73%, July is the least humid month in Vernonia.

Rainfall

The months with the least rainfall are July and August Rain falls for 6 days and accumulates 0.51" (13mm) of rain.

Snowfall

In Vernonia, snow does not fall in May through October.

Daylight

In July, the average length of the day is 15h and 18min.
On the first day of July, sunrise is at 5:27 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:42 pm PDT.

Sunshine

In Vernonia, the average sunshine in July is 9.9h.

UV index

The month with the highest UV index in Vernonia, Oregon, is July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during July translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average July temperature in Vernonia?

The high-temperature in Vernonia during July is 75.2°F (24°C) and the low-temperature is 49.6°F (9.8°C).

What is the least humid month in Vernonia?

With an average relative humidity of 73%, July is the least humid month.

What is the average humidity in July in Vernonia?

The average relative humidity in July in Vernonia is 73%.

What is the driest month in Vernonia?

July and August are months with the least rain in Vernonia when the rain falls for 6 days and typically aggregates up to 0.51" (13mm) of rain.

How many days does it rain in July in Vernonia?

In Vernonia, in July, during 6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Vernonia?

In Vernonia, Oregon, snow does not fall in May through October.

How many hours of daylight does Vernonia have in July?

In July, the average day length in Vernonia, Oregon, is 15h and 18min.

When are sunrise and sunset in July in Vernonia?

On the first day of July in Vernonia, sunrise is at 5:27 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:42 pm PDT.

How long on average sun shines in July in Vernonia?

In Vernonia, the average sunshine duration in July is 9.9h.

When is the highest UV index in Vernonia?

July is the month with the highest UV index in Vernonia, Oregon, with an average maximum UV index of 5.

How high is the UV index in July in Vernonia?

In Vernonia, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Vernonia, OR

Average temperature in July - Vernonia, OR
  • Average high temperature in July: 75.2°F

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).

  • Average low temperature in July: 49.6°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

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Average pressure in July
Vernonia, OR

Average pressure in July - Vernonia, OR
  • Average pressure in July: 30.06"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).

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Average wind speed in July
Vernonia, OR

Average wind speed in July - Vernonia, OR
  • Average wind speed in July: 4.5mph

The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average humidity in July
Vernonia, OR

Average humidity in July - Vernonia, OR
  • Average humidity in July: 73%

The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in July
Vernonia, OR

Average rainfall in July - Vernonia, OR
  • Average rainfall in July: 0.51"

The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").

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Average rainfall days in July
Vernonia, OR

Average rainfall days in July - Vernonia, OR
  • Average rainfall days in July: 6 days

The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).

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Average snowfall in July
Vernonia, OR

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

The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Vernonia, OR

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

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

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

Average daylight in July / Average sunshine in July - Vernonia, 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: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in July
Vernonia, OR

Average sunshine days in July - Vernonia, OR
  • Average sunshine days in July: 22.1 days

The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).

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Average UV index in July
Vernonia, OR

Average UV index in July - Vernonia, OR
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
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
Vernonia, OR

Average cloud cover in July - Vernonia, OR
  • Average cloud cover in July: 38

The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in July
Vernonia, OR

Average visibility in July - Vernonia, OR
  • Average visibility in July: 5mi

The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).

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Vernonia, Oregon, USA

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