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
August temperatures tend to peak at an average high of 86.5°F (30.3°C) and dip to a low of 60.3°F (15.7°C).Humidity
The months with the lowest humidity in Gromore are July and August, with an average relative humidity of 39%.Rainfall
In Gromore, in August, during 2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
In Gromore, snow does not fall in April through August and October.Daylight
The average length of the day in August is 14h and 8min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:43 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12.1h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
How hot does it get in August?
What is the least humid month?
What is the average humidity in August?
How much does it rain in Gromore in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
What time are sunrise and sunset in August?
What is the month with the most sunshine?
How many hours of sunshine does Gromore have in August?
What is the UV index reading in August?
Average temperature in August
Gromore, WA
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in August
Gromore, WA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in August
Gromore, WA
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in August
Gromore, WA
- Average humidity in August: 39%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in August
Gromore, WA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Gromore, WA
- Average rainfall days in August: 2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in August
Gromore, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in August
Gromore, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Gromore, 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 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in August
Gromore, WA
- Average sunshine days in August: 27.4 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in August
Gromore, WA
- Average UV index in August: 5
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
Gromore, WA
- Average cloud cover in August: 9
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in August
Gromore, 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).
Gromore, Washington, USA
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