August weather forecast
Lynnwood, WA

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Weather in August

August is marked by exceptional warmth and limited rainfall in Lynnwood, as it continues the July trend. The dominance of warmth and sunlight is offset by a slight rise in rainfall, but the showers remain infrequent. The total rainfall measures up to 0.51" (13mm), which is not significantly higher than the previous month. Despite the average temperature, August remains a favorite for outdoor activities.

Temperature

August, noted for its average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 54.1°F (12.3°C), is considered the warmest month.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In Lynnwood, during August, the rain falls for 6.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Lynnwood, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 14h and 13min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:51 pm PDT.

Sunshine

With an average of 10.8h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August in Lynnwood is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the UV index of 4 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

With average high temperatures of 73.9°F (23.3°C) and lows of 54.1°F (12.3°C), August is the warmest month.

What is the usual temperature for Lynnwood in August?

In August, in Lynnwood, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In August, the rain falls for 6.8 days. Throughout August, 0.51" (13mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 14h and 13min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:51 pm PDT.

What month has the most sunshine?

The month with the most sunshine in Lynnwood is August, with an average of 10.8h of sunshine.

How long on average sun shines in August?

In Lynnwood, the average sunshine duration in August is 10.8h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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 August
Lynnwood, WA

Average temperature in August - Lynnwood, WA
  • Average high temperature in August: 73.9°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 August: 54.1°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 August
Lynnwood, WA

Average pressure in August - Lynnwood, WA
  • Average pressure in August: 30.01"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 August
Lynnwood, WA

Average wind speed in August - Lynnwood, WA
  • Average wind speed in August: 3.5mph

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 August
Lynnwood, WA

Average humidity in August - Lynnwood, WA
  • Average humidity in August: 73%

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 August
Lynnwood, WA

Average rainfall in August - Lynnwood, WA
  • Average rainfall in August: 0.51"

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 August
Lynnwood, WA

Average rainfall days in August - Lynnwood, WA
  • Average rainfall days in August: 6.8 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 August
Lynnwood, WA

Average snowfall in August - Lynnwood, WA
  • Average snowfall in August: 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 August
Lynnwood, WA

Average snowfall days in August - Lynnwood, WA
  • Average snowfall days in August: 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 August /
Average sunshine in August
Lynnwood, WA

Average daylight in August / Average sunshine in August - Lynnwood, WA
  • Average daylight in August: 14h and 1min

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 August: 10h and 5min

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 August
Lynnwood, WA

Average sunshine days in August - Lynnwood, WA
  • Average sunshine days in August: 22.5 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 August
Lynnwood, WA

Average UV index in August - Lynnwood, WA
  • Average UV index in August: 4

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 August
Lynnwood, WA

Average cloud cover in August - Lynnwood, WA
  • Average cloud cover in August: 25

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 August
Lynnwood, WA

Average visibility in August - Lynnwood, WA
  • Average visibility in August: 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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