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 is the month that records the highest temperatures, with averages ranging from a high of 80.4°F (26.9°C) to a low of 53.4°F (11.9°C).Humidity
August is the least humid month, with an average relative humidity of 64%.Rainfall
In Gresham, Oregon, in August, during 4.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 165.6 rainfall days, and 34.65" (880mm) of precipitation is accumulated.Snowfall
In Gresham, snow does not fall in April through October.Daylight
In August, the average length of the day is 14h and 3min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:48 pm PDT.
Sunshine
July and August, with an average of 10.9h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in August interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What is the usual temperature for Gresham in August?
What is the least humid month in Gresham?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
What are the months with the most sunshine in Gresham?
How many hours of sunshine does Gresham have in August?
What is the UV index intensity in August in Gresham?
Average temperature in August
Gresham, OR
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in August: 53.4°F
The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in August
Gresham, OR
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Gresham, OR
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in August
Gresham, OR
- Average humidity in August: 64%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in August
Gresham, OR
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Gresham, OR
- Average rainfall days in August: 4.4 days
The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in August
Gresham, OR
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Gresham, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Gresham, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in August
Gresham, OR
- Average sunshine days in August: 24.6 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in August
Gresham, OR
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Gresham, OR
- Average cloud cover in August: 24
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Gresham, OR
- Average visibility in August: 6mi
The months with the highest visibility are August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (5mi).
Gresham, Oregon, USA
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