July weather forecast
Lynnwood, WA

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Weather in July

Weather in July is distinctive with the summer heat reaching its peak, and the onset of drier conditions. The longest days of the year are observed in this month, often filled with warmth and rare rainfall. An impressive low in rainfall, 0.39" (10mm), makes July the driest month of the year. This heatwave is noticeable compared to the comfortably warm conditions in June.

Temperature

With the transition into July, Lynnwood experiences a subtle uplift in average high-temperatures, adjusting from a comfortable 67.3°F (19.6°C) in June to an agreeable 72.9°F (22.7°C). An average low-temperature of 52.9°F (11.6°C) is observed during July nights.

Humidity

July is the least humid month, with an average relative humidity of 72%.

Rainfall

The month with the least rainfall is July, when the rain falls for 7.7 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 15h and 33min.
On the first day of the month, sunrise is at 5:15 am and sunset at 9:11 pm. On the last day of July, sunrise is at 5:45 am and sunset at 8:45 pm PDT.

Sunshine

In July, the average sunshine is 10.5h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Lynnwood. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are July temperatures?

July temperatures vary between a high-temperature of 72.9°F (22.7°C) and a low-temperature of 52.9°F (11.6°C).

What is the least humid month?

With an average relative humidity of 72%, July is the least humid month.

What is the average humidity in July?

In July, the average relative humidity is 72%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in July?

In Lynnwood, in July, it is raining for 7.7 days, with typically 0.39" (10mm) of accumulated precipitation.

When it does not snow in Lynnwood?

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

What is the average length of the day in July?

The average day length in July is 15h and 33min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:15 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Lynnwood have in July?

In July, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents 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
Lynnwood, WA

Average temperature in July - Lynnwood, WA
  • Average high temperature in July: 72.9°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in July: 52.9°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).

Average pressure in July
Lynnwood, WA

Average pressure in July - Lynnwood, WA
  • Average pressure in July: 30.04"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in July
Lynnwood, WA

Average wind speed in July - Lynnwood, WA
  • Average wind speed in July: 3.6mph

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in July
Lynnwood, WA

Average humidity in July - Lynnwood, WA
  • Average humidity in July: 72%

The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).

Average rainfall in July
Lynnwood, WA

Average rainfall in July - Lynnwood, WA
  • Average rainfall in July: 0.39"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in July
Lynnwood, WA

Average rainfall days in July - Lynnwood, WA
  • Average rainfall days in July: 7.7 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in July
Lynnwood, WA

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

The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Lynnwood, WA

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

The month with the highest number of snowfall days is February (4.7 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
Lynnwood, WA

Average daylight in July / Average sunshine in July - Lynnwood, 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 30min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in July
Lynnwood, WA

Average sunshine days in July - Lynnwood, WA
  • Average sunshine days in July: 21.3 days

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).

Average UV index in July
Lynnwood, WA

Average UV index in July - Lynnwood, WA
  • Average UV index in July: 5

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Lynnwood, WA

Average cloud cover in July - Lynnwood, WA
  • Average cloud cover in July: 27

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in July
Lynnwood, WA

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

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

Lynnwood, Washington, USA

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