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
In La Grande, August is the month with the highest recorded average temperatures, measuring a high of 75°F (23.9°C) and a low of 49.5°F (9.7°C).Humidity
The average relative humidity in August in La Grande is 71%.Rainfall
In August, the rain falls for 6.1 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. In La Grande, during the entire year, the rain falls for 182.2 days and collects up to 37.83" (961mm) of precipitation.Snowfall
In La Grande, Washington, snow does not fall in May through October.Daylight
In La Grande, the average length of the day in August is 14h and 9min.On the first day of August, sunrise is at 5:50 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:49 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.9h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in August translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the hottest time of year in La Grande?
What are the temperatures in La Grande in August?
What is the average humidity in August in La Grande?
How many days does it rain in August in La Grande?
When it does not snow in La Grande?
What is the average length of the day in August in La Grande?
When is the sunrise / sunset in August in La Grande?
What month has the most sunshine in La Grande?
How many hours of sunshine does La Grande have in August?
What is the UV index intensity in August in La Grande?
Average temperature in August
La Grande, WA
- Average high temperature in August: 75°F
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in August: 49.5°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in August
La Grande, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
La Grande, WA
- Average wind speed in August: 3.6mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in August
La Grande, WA
- Average humidity in August: 71%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
La Grande, WA
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
La Grande, WA
- Average rainfall days in August: 6.1 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in August
La Grande, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
La Grande, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
La Grande, 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: 10h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in August
La Grande, WA
- Average sunshine days in August: 22.9 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index in August
La Grande, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
La Grande, WA
- Average cloud cover in August: 27
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
La Grande, WA
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
La Grande, Washington, USA
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