August weather forecastBay City, OR
August
Weather in August
The last month of the summer, August, is another refreshing month in Bay City, Oregon, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 55°F (12.8°C).Temperature
August is the month that records the highest temperatures, with averages ranging from a high of 66.2°F (19°C) to a low of 55°F (12.8°C).Humidity
August is the most humid month, with an average relative humidity of 83%.Rainfall
August is the month with the least rainfall. Rain falls for 4.4 days and accumulates 0.2" (5mm) of precipitation.Snowfall
In Bay City, snow does not fall in March through December.Ocean temperature
In Bay City, the average seawater temperature in August is 56.8°F (13.8°C).Note: Swimming in 56.8°F (13.8°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.
Daylight
The average length of the day in August is 14h and 3min.On the first day of August, sunrise is at 6:00 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:54 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.4h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 4 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Bay City, OR
- Average high temperature in August: 66.2°F
The warmest month (with the highest average high temperature) is August (66.2°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in August
Bay City, OR
- Average pressure in August: 30.03"Hg
The months with the highest atmospheric pressure are January and April (30.08"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in August
Bay City, OR
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Bay City, OR
- Average humidity in August: 83%
The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is May (80%).
Average rainfall in August
Bay City, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (2.13").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in August
Bay City, OR
- Average rainfall days in August: 4.4 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in August
Bay City, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Bay City, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in August
Bay City, OR
- Average sea temperature in August: 56.8°F
The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).
Average daylight in August /
Average sunshine in August
Bay City, OR
- Average daylight in August: 14h and 6min
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 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in August
Bay City, OR
- Average sunshine days in August: 25.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (12.4 days).
Average UV index in August
Bay City, 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 February, November and December (UV index 2).
Average cloud cover in August
Bay City, OR
- Average cloud cover in August: 28
The months with the most cloud cover are January and March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Bay City, 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).





