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
Coulee City's transition from July to August introduces an average high-temperature of a still moderately hot 84.2°F (29°C), marking an insignificant variation from the 84.9°F (29.4°C). A sharp reduction from the daytime highs is witnessed during August, with nighttime temperatures averaging a low of 61.3°F (16.3°C).Humidity
The least humid month in Coulee City, Washington, is August, with an average relative humidity of 36%.Rainfall
July and August are months with the least rain in Coulee City when the rain falls for 3.2 days and typically aggregates up to 0.2" (5mm) of rain.Snowfall
In Coulee City, snow does not fall in May through August.Daylight
In August, the average length of the day is 14h and 13min.On the first day of August, sunrise is at 5:35 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:38 pm PDT.
Sunshine
With an average of 12.1h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August in Coulee City is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
Is it hot in Coulee City during August?
What is the least humid month in Coulee City?
What is the average humidity in August in Coulee City?
What is the driest month in Coulee City?
How much does it rain in Coulee City in August?
When it does not snow in Coulee City?
Does it snow in Coulee City in August?
What is the average length of the day in August in Coulee City?
When are sunrise and sunset in August in Coulee City?
What month has the most sunshine in Coulee City?
How long on average sun shines in August in Coulee City?
What is the UV index intensity in August in Coulee City?
Average temperature in August
Coulee City, WA
- Average high temperature in August: 84.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in August
Coulee City, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Coulee City, WA
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in August
Coulee City, WA
- Average humidity in August: 36%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in August
Coulee City, WA
- Average rainfall in August: 0.2"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in August
Coulee City, WA
- Average rainfall days in August: 3.2 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in August
Coulee City, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in August
Coulee City, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Coulee City, 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 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Coulee City, WA
- Average sunshine days in August: 25.8 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in August
Coulee City, WA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Coulee City, WA
- Average cloud cover in August: 12
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Coulee City, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Coulee City, Washington, USA
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