Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August is the month when Manchester, Washington, sees the highest average temperatures, with a high of 77.2°F (25.1°C) and a low of 53.6°F (12°C).Humidity
In Manchester, Washington, the average relative humidity in August is 70%.Rainfall
In Manchester, in August, during 5.4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
In Manchester, Washington, snow does not fall in April through October.Ocean temperature
August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater in Manchester.Note: Diving into 53.2°F (11.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
Daylight
In Manchester, the average length of the day in August is 14h and 12min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.7h of sunshine, August has the most sunshine of the year in Manchester.UV index
In Manchester, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during August leads to these advisories:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the warmest months in Manchester?
What is the usual temperature for Manchester in August?
What is the average humidity in August in Manchester?
How much does it rain in Manchester in August?
When it does not snow in Manchester?
What months are the ocean warmest in Manchester?
What is the water temperature in August in Manchester?
What is the average length of the day in August in Manchester?
What time are sunrise and sunset in August in Manchester?
What month has the most sunshine in Manchester?
How many hours of sunshine does Manchester have in August?
How high is the UV index in August in Manchester?
Average temperature in August
Manchester, WA
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in August: 53.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in August
Manchester, 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
Manchester, WA
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in August
Manchester, WA
- Average humidity in August: 70%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
Manchester, WA
- Average rainfall in August: 0.35"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Manchester, WA
- Average rainfall days in August: 5.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in August
Manchester, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Manchester, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Manchester, WA
- Average sea temperature in August: 53.2°F
The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in August /
Average sunshine in August
Manchester, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 10h and 4min
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 August
Manchester, WA
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in August
Manchester, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Manchester, WA
- Average cloud cover in August: 25
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Manchester, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Manchester, Washington, USA
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