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 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
The temperatures reach their highest averages in August, with highs of 77.4°F (25.2°C) and lows of 49.8°F (9.9°C).Humidity
The average relative humidity in August is 74%.Rainfall
In Grand Mound, in August, during 5.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Grand Mound, Washington, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.Snowfall
In Grand Mound, snow does not fall in April through October.Daylight
In Grand Mound, the average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 5:53 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:52 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.1h of sunshine.UV index
In August, the average daily maximum UV index in Grand Mound is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What month is the hottest in Grand Mound?
What are the temperatures in Grand Mound in August?
What is the average humidity in August in Grand Mound?
How many days does it rain in August in Grand Mound?
When it does not snow in Grand Mound?
What is the average length of the day in August in Grand Mound?
When are sunrise and sunset in August in Grand Mound?
What month has the most sunshine in Grand Mound?
How long on average sun shines in August in Grand Mound?
What is the UV index reading in August in Grand Mound?
Average temperature in August
Grand Mound, WA
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in August
Grand Mound, WA
- Average pressure in August: 30.02"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 (30.02"Hg).
Average wind speed in August
Grand Mound, WA
- Average wind speed in August: 3.8mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in August
Grand Mound, WA
- Average humidity in August: 74%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
Grand Mound, WA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Grand Mound, WA
- Average rainfall days in August: 5.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in August
Grand Mound, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Grand Mound, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.7 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
Grand Mound, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in August
Grand Mound, WA
- Average sunshine days in August: 20.9 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in August
Grand Mound, 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
Grand Mound, WA
- Average cloud cover in August: 38
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in August
Grand Mound, WA
- Average visibility in August: 4mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
Grand Mound, Washington, USA
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