August weather forecastTillamook, OR
August
Weather in August
Amid the sultry summer season, August offers slightly milder conditions in Tillamook. From 66.7°F (19.3°C) in July, the temperature shifts to a breath-taking maximum of 68.4°F (20.2°C). However, the month shares similarities with its predecessor when it comes to daylight and sunshine hours. As September approaches, the noticeably cooler and shorter days signal the onset of autumn. On the whole, August represents the tale end of summers in Tillamook.Temperature
Tillamook's temperature records reveal August as the warmest month, marked by average highs of 68.4°F (20.2°C) and lows of 53.8°F (12.1°C).Humidity
The average relative humidity in August in Tillamook is 81%.Rainfall
In Tillamook, in August, during 4.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Tillamook, during the entire year, the rain falls for 137.4 days and collects up to 15" (381mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Tillamook, Oregon, the average length of the day in August is 14h and 3min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:54 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.5h of sunshine.UV index
In Tillamook, 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 the average person.Note: A daily high UV index of 4 in August leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tillamook, OR
- Average high temperature in August: 68.4°F
The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in August: 53.8°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in August
Tillamook, OR
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in August
Tillamook, OR
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Tillamook, OR
- Average humidity in August: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall in August
Tillamook, OR
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Tillamook, OR
- Average rainfall days in August: 4.3 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in August
Tillamook, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Tillamook, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Tillamook, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Tillamook, OR
- Average sunshine days in August: 24.3 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).
Average UV index in August
Tillamook, OR
- 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
Tillamook, OR
- Average cloud cover in August: 28
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Tillamook, OR
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
