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 in Hermiston denotes a minimal variation in the average high-temperature to a still hot 87.1°F (30.6°C) from July's 88°F (31.1°C). In the month of August, Hermiston witnesses a marked temperature drop at night, averaging a low of 64°F (17.8°C).Humidity
July and August, with an average relative humidity of 36%, are the least humid months in Hermiston.Rainfall
In August, in Hermiston, the rain falls for 3.3 days. Throughout August, 0.28" (7mm) of precipitation is accumulated. In Hermiston, during the entire year, the rain falls for 109.3 days and collects up to 8.11" (206mm) of precipitation.Snowfall
In Hermiston, Oregon, snow does not fall in April through August and October.Daylight
In August, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:36 pm PDT.
Sunshine
With an average of 12.1h of sunshine, August has the most sunshine of the year in Hermiston, Oregon.UV index
In Hermiston, Oregon, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot does it get in Hermiston in August?
What is the least humid month in Hermiston?
What is the average humidity in August in Hermiston?
How much does it rain in Hermiston in August?
When it does not snow in Hermiston?
Does it snow in Hermiston in August?
How many hours of daylight does Hermiston have in August?
When is the sunrise / sunset in August in Hermiston?
What month has the most sunshine in Hermiston?
How long on average sun shines in August in Hermiston?
How high is the UV index in August in Hermiston?
Average temperature in August
Hermiston, OR
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in August
Hermiston, OR
- 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
Hermiston, OR
- Average wind speed in August: 7.3mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).
Average humidity in August
Hermiston, OR
- Average humidity in August: 36%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in August
Hermiston, OR
- Average rainfall in August: 0.28"
The wettest months (with the highest rainfall) are March and December (1.06").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Hermiston, OR
- Average rainfall days in August: 3.3 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in August
Hermiston, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in August
Hermiston, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (3.7 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Hermiston, OR
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 12h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Hermiston, OR
- Average sunshine days in August: 25.2 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in August
Hermiston, OR
- 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
Hermiston, OR
- Average cloud cover in August: 9
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in August
Hermiston, OR
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hermiston, Oregon, USA
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