July weather forecast
Arlington, WA

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Large iconic Arlington Memorial Bridge over the vast Potomac River in Washington, mirror images of the iconic Lincoln Memorial
Large iconic Arlington Memorial Bridge over the vast Potomac River in Washington, mirror images of the iconic Lincoln Memorial

Weather in July

July is an agreeable summer month in Arlington, Washington, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 50.5°F (10.3°C).

Temperature

July's arrival brings a slight change in high-temperatures, adjusting from a refreshing 66°F (18.9°C) in June to an agreeable 72°F (22.2°C). Throughout July, Arlington witnesses a nighttime temperature average of 50.5°F (10.3°C).

Humidity

The least humid month in Arlington, Washington, is July, with an average relative humidity of 73%.

Rainfall

July is the month with the least rainfall. Rain falls for 8 days and accumulates 0.51" (13mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day is 15h and 36min.
On the first day of July, sunrise is at 5:12 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:45 pm PDT.

Sunshine

The average sunshine in July is 10.5h.

UV index

With an average maximum UV index of 5, July is the month with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What is the average July temperature?

July temperatures vary between a high-temperature of 72°F (22.2°C) and a low-temperature of 50.5°F (10.3°C).

What is the least humid month?

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

What is the average humidity in July?

The average relative humidity in July is 73%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 8 days and typically collects 0.51" (13mm) of precipitation.

How many days does it rain in July?

In Arlington, Washington, in July, it is raining for 8 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Arlington have in July?

In July, the average day length is 15h and 36min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:12 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Arlington have in July?

The average sunshine duration in July is 10.5h.

When is the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July in Arlington, Washington, is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Arlington, WA

Average temperature in July - Arlington, WA
  • Average high temperature in July: 72°F

The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).

  • Average low temperature in July: 50.5°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).

Average pressure in July
Arlington, WA

Average pressure in July - Arlington, WA
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in July
Arlington, WA

Average wind speed in July - Arlington, WA
  • Average wind speed in July: 3.4mph

The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in July
Arlington, WA

Average humidity in July - Arlington, WA
  • Average humidity in July: 73%

The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).

Average rainfall in July
Arlington, WA

Average rainfall in July - Arlington, WA
  • Average rainfall in July: 0.51"

The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in July
Arlington, WA

Average rainfall days in July - Arlington, WA
  • Average rainfall days in July: 8 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).

Average snowfall in July
Arlington, WA

Average snowfall in July - Arlington, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Arlington, WA

Average snowfall days in July - Arlington, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.3 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
Arlington, WA

Average daylight in July / Average sunshine in July - Arlington, WA
  • Average daylight in July: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in July
Arlington, WA

Average sunshine days in July - Arlington, WA
  • Average sunshine days in July: 20.6 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).

Average UV index in July
Arlington, WA

Average UV index in July - Arlington, WA
  • 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, October, November and December (UV index 2).

Average cloud cover in July
Arlington, WA

Average cloud cover in July - Arlington, WA
  • Average cloud cover in July: 26

The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).

Average visibility in July
Arlington, WA

Average visibility in July - Arlington, WA
  • Average visibility in July: 6mi

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

Arlington, Washington, USA

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