August weather forecastBirch Bay, WA
August
Weather in August
August, the last month of the summer in Birch Bay, is also an agreeable month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 70°F (21.1°C).Temperature
August, with an average high of 70°F (21.1°C) and a low of 54.9°F (12.7°C), signifies the warmest month of the year.Humidity
In August, the average relative humidity is 76%.Rainfall
In Birch Bay, in August, during 6.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Birch Bay, during the entire year, the rain falls for 176.1 days and collects up to 43.78" (1112mm) of precipitation.Snowfall
In Birch Bay, snow does not fall in May through October.Ocean temperature
August is the month with the warmest seawater in Birch Bay, with an average ocean temperature of 52.7°F (11.5°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
In Birch Bay, the average length of the day in August is 14h and 19min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:49 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:54 pm PDT.
Sunshine
The months with the most sunshine in Birch Bay are July and August, with an average of 10.4h of sunshine.UV index
In Birch Bay, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in August interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Birch Bay, WA
- Average high temperature in August: 70°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in August: 54.9°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (35.8°F).
Average pressure in August
Birch Bay, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in August
Birch Bay, WA
- Average wind speed in August: 3.9mph
The windiest months (with the highest average wind speed) are November and December (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in August
Birch Bay, WA
- Average humidity in August: 76%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in August
Birch Bay, WA
- Average rainfall in August: 1.06"
The wettest month (with the highest rainfall) is November (7.13").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in August
Birch Bay, WA
- Average rainfall days in August: 6.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in August
Birch Bay, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Birch Bay, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Birch Bay, WA
- Average sea temperature in August: 52.6°F
The best months for swimming (with the highest average sea temperature) are August and September (52.6°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight in August /
Average sunshine in August
Birch Bay, WA
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in August: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in August
Birch Bay, WA
- Average sunshine days in August: 23.2 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in August
Birch Bay, 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
Birch Bay, WA
- Average cloud cover in August: 26
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Birch Bay, WA
- Average visibility in August: 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).
