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 average temperatures reach their apex in August, averaging 83.3°F (28.5°C) at the high end and 55.9°F (13.3°C) at the low end.Heat index
In August, the average heat index is appraised at 82.4°F (28°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The least humid month is August, with an average relative humidity of 43%.Rainfall
July and August are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
In Fairfield, snow does not fall in June through August.Daylight
In August, the average length of the day is 14h and 11min.On the first day of the month, sunrise is at 5:28 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:07 am and sunset at 7:30 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 12h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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 is it in August?
What is the least humid month?
What is the average humidity in August?
What is the driest month?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When are sunrise and sunset in August in Fairfield?
What month has the most sunshine?
How many hours of sunshine does Fairfield have in August?
What is the UV index reading in August?
Average temperature in August
Fairfield, WA
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in August
Fairfield, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Fairfield, WA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in August
Fairfield, WA
- Average humidity in August: 43%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in August
Fairfield, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in August
Fairfield, WA
- Average rainfall days in August: 5.5 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in August
Fairfield, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Fairfield, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Fairfield, 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: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in August
Fairfield, WA
- Average sunshine days in August: 23.2 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in August
Fairfield, WA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Fairfield, WA
- Average cloud cover in August: 13
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in August
Fairfield, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Fairfield, Washington, USA
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