This report describes the typical weather at the Brookings State Airport (Brookings, Oregon, United States) weather station over the course of an average August. It is based on the historical records from 2005 to 2012. Earlier records are either unavailable or unreliable.
Brookings, Oregon has a mediterranean climate with dry warm summers and mild winters. The area within 25 mi of this station is covered by forests (52%) and oceans and seas (48%).
The month of August is characterized by gradually rising daily high temperatures, with daily highs ranging from 65°F to 69°F over the course of the month, exceeding 81°F or dropping below 54°F only one day in ten.
Over the course of August, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 1:15 hours, implying an average day-over-day decrease of 2.4 minutes.
The shortest day of the month is August 31 with 13:09 hours of daylight; the longest day is August 1 with 14:24 hours of daylight.
The earliest sunrise is at 6:11am on August 1; the latest sunset is at 8:35pm on August 1; the latest sunrise is at 6:42am on August 31; the earliest sunset is at 7:51pm on August 31.
Daylight saving time is observed in 2012 but it neither starts nor ends in August, so the entire month is in daylight time.
The median cloud cover ranges from 43% (partly cloudy) to 52% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 8% from the start to the end of the month.
On August 16, a representative day, the sky is clear or mostly clear 47% of the time, partly cloudy 2% of the time, and mostly cloudy or overcast 47% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around August 31, occurring in 17% of days. Precipitation is least likely around August 2, occurring in 11% of days.
Throughout August, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 74% of those days with precipitation. It is most likely around August 31, when it is observed during 12% of all days.
Moderate rain is the most severe precipitation observed during 19% of those days with precipitation. It is most likely around August 31, when it is observed during 4% of all days.
Either snow is exceptionally unlikely to fall at this location in August or this station does not reliably report precipitation types.
The relative humidity typically ranges from 58% (mildly humid) to 95% (very humid) over the course of a typical August, rarely dropping below 32% (comfortable) and reaching as high as 100% (very humid).
The air is driest around August 31, at which time the relative humidity drops below 72% (humid) three days out of four; it is most humid around August 2, rising above 92% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical August, the dew point typically varies from 45°F (dry) to 54°F (very comfortable) and is rarely below 37°F (dry) or above 58°F (comfortable).
The time of the month between August 1 and August 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of August typical wind speeds vary from 0 mph to 9 mph (calm to gentle breeze), rarely exceeding 14 mph (moderate breeze).
The highest average wind speed of 4 mph (light breeze) occurs around August 27, at which time the average daily maximum wind speed is 9 mph (gentle breeze).
The lowest average wind speed of 3 mph (light air) occurs around August 1, at which time the average daily maximum wind speed is 8 mph (gentle breeze).