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
July and August are identified as the warmest months, with an average high-temperature of 88.3°F (31.3°C).Humidity
In August, the average relative humidity in Royal City is 38%.Rainfall
August is the month with the least rainfall in Royal City. Rain falls for 3.5 days and accumulates 0.2" (5mm) of precipitation.Snowfall
May through August and October are months without snowfall in Royal City.Daylight
In August, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:30 pm. On the last day of August, in Royal City, sunrise is at 6:17 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 in Royal City, Washington.UV index
In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the hottest time of year in Royal City?
Is it hot in Royal City during August?
What is the average humidity in August in Royal City?
What is the driest month in Royal City?
How many days does it rain in August in Royal City?
When it does not snow in Royal City?
Does it snow in Royal City in August?
What is the average length of the day in August in Royal City?
When are sunrise and sunset in August in Royal City?
What is the month with the most sunshine in Royal City?
How long on average sun shines in August in Royal City?
What is the UV index reading in August in Royal City?
Average temperature in August
Royal City, WA
- Average high temperature in August: 88.3°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in August
Royal City, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Royal City, WA
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in August
Royal City, WA
- Average humidity in August: 38%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in August
Royal City, WA
- Average rainfall in August: 0.2"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in August
Royal City, WA
- Average rainfall days in August: 3.5 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in August
Royal City, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in August
Royal City, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Royal City, 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: 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
Royal City, WA
- Average sunshine days in August: 25.8 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in August
Royal City, 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
Royal City, WA
- Average cloud cover in August: 10
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Royal City, WA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Royal City, Washington, USA
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