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 advent of August presents an average high-temperature of a still hot 89.4°F (31.9°C), maintaining a close correlation with the preceding month. Despite high daytime temperatures, the average temperature in Jamieson lowers to a comfortable 63.5°F (17.5°C) during August nights.Humidity
The months with the lowest humidity in Jamieson are July and August, with an average relative humidity of 28%.Rainfall
July and August are months with the least rain when the rain falls for 2.3 days and typically aggregates up to 0.08" (2mm) of rain.Snowfall
In Jamieson, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 58min.On the first day of the month, sunrise is at 6:38 am and sunset at 9:13 pm. On the last day of August, sunrise is at 7:12 am and sunset at 8:26 pm MDT.
Sunshine
The average sunshine in August is 11.2h.UV index
The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What are the least humid months?
What is the average humidity in August?
What is the driest month in Jamieson?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Jamieson have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Jamieson have in August?
What is the UV index intensity in August?
Average temperature in August
Jamieson, OR
- Average high temperature in August: 89.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in August: 63.5°F
The month with the highest average low temperature is August (63.5°F).
The coldest months (with the lowest average low temperature) are January and December (22.1°F).
Average pressure in August
Jamieson, OR
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in August
Jamieson, OR
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in August
Jamieson, OR
- Average humidity in August: 28%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in August
Jamieson, OR
- Average rainfall in August: 0.08"
The wettest months (with the highest rainfall) are March and May (0.39").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in August
Jamieson, OR
- Average rainfall days in August: 2.3 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in August
Jamieson, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Jamieson, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (6.1 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
Jamieson, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in August
Jamieson, OR
- Average sunshine days in August: 25.9 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (20.1 days).
Average UV index in August
Jamieson, 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
Jamieson, OR
- Average cloud cover in August: 8
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 8).
Average visibility in August
Jamieson, OR
- 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, February and December (5mi).
Jamieson, Oregon, USA
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