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
Grandview indicates an average high-temperature of a still tropical 87.1°F (30.6°C) in August, showing minor variation from July's 87.8°F (31°C). A marked drop from daytime peak temperatures to an average low-temperature of 62.2°F (16.8°C) is observed during the nights in August.Humidity
In August, the average relative humidity is 38%.Rainfall
In Grandview, in August, it is raining for 4.3 days, with typically 0.31" (8mm) of accumulated precipitation. In Grandview, during the entire year, the rain falls for 80.1 days and collects up to 4.84" (123mm) of precipitation.Snowfall
April through October are months without snowfall in Grandview.Daylight
In Grandview, the average length of the day in August is 14h and 6min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:39 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August in Grandview is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In August, a regular UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
Is it hot in Grandview during August?
What is the average humidity in August in Grandview?
How many days does it rain in August in Grandview?
When it does not snow in Grandview?
What is the average length of the day in August in Grandview?
What time are sunrise and sunset in August in Grandview?
What is the month with the most sunshine in Grandview?
How long on average sun shines in August in Grandview?
What is the UV index reading in August in Grandview?
Average temperature in August
Grandview, WA
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in August
Grandview, WA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in August
Grandview, WA
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).
Average humidity in August
Grandview, WA
- Average humidity in August: 38%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).
Average rainfall in August
Grandview, WA
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in August
Grandview, WA
- Average rainfall days in August: 4.3 days
The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).
Average snowfall in August
Grandview, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Grandview, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Grandview, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in August
Grandview, WA
- Average sunshine days in August: 24.2 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (18.7 days).
Average UV index in August
Grandview, WA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Grandview, WA
- Average cloud cover in August: 10
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Grandview, 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).
Grandview, Washington, USA
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