This report describes the typical weather at the Seldovia Airport (Seldovia, Alaska, United States) weather station over the course of an average year. It is based on the historical records from 1998 to 2012. Earlier records are either unavailable or unreliable.
Seldovia, Alaska has a continental climate with short dry cool summers. The area within 25 mi of this station is covered by oceans and seas (56%), shrublands (36%), tundra (5%), and forests (2%).
Over the course of a year, the temperature typically varies from 20Â°F to 61Â°F and is rarely below 6Â°F or above 67Â°F.
The warm season lasts from June 9 to September 12 with an average daily high temperature above 55Â°F. The hottest day of the year is August 7, with an average high of 61Â°F and low of 49Â°F.
The cold season lasts from November 10 to March 27 with an average daily high temperature below 35Â°F. The coldest day of the year is January 26, with an average low of 20Â°F and high of 29Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 6:03 hours of daylight; the longest day is June 20 with 18:40 hours of daylight.
The earliest sunrise is at 4:48am on June 15 and the latest sunset is at 11:29pm on June 25. The latest sunrise is at 10:06am on December 28 and the earliest sunset is at 4:04pm on December 13.
Daylight saving time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.
The median cloud cover ranges from 67% (partly cloudy) to 95% (overcast). The sky is cloudiest on January 6 and clearest on July 15. The clearer part of the year begins around April 13. The cloudier part of the year begins around September 9.
On July 15, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 44% of the time, and overcast or mostly cloudy 55% of the time.
On January 6, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 68% of the time, and clear or mostly clear 25% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around November 17, occurring in 71% of days. Precipitation is least likely around June 16, occurring in 41% of days.
Over the entire year, the most common forms of precipitation are light rain, light snow, and moderate rain.
Light rain is the most severe precipitation observed during 43% of those days with precipitation. It is most likely around September 9, when it is observed during 41% of all days.
Light snow is the most severe precipitation observed during 32% of those days with precipitation. It is most likely around January 8, when it is observed during 38% of all days.
Moderate rain is the most severe precipitation observed during 15% of those days with precipitation. It is most likely around September 30, when it is observed during 16% of all days.
During the warm season, which lasts from June 9 to September 12, there is a 47% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (78% of days with precipitation have at worst light rain) and moderate rain (20%).
During the cold season, which lasts from November 10 to March 27, there is a 64% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light snow (54% of days with precipitation have at worst light snow), light rain (17%), moderate snow (15%), and moderate rain (11%).
The likelihood of snow falling is highest around January 9, occurring in 52% of days. The season in which it is relatively likely for snow to fall spans from October 13 to April 27.
Either snow rarely accumulates at this location or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 55% (mildly humid) to 97% (very humid) over the course of the year, rarely dropping below 37% (comfortable) and reaching as high as 100% (very humid).
The air is driest around May 3, at which time the relative humidity drops below 63% (mildly humid) three days out of four; it is most humid around August 29, exceeding 96% (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 year, the dew point typically varies from 15Â°F (dry) to 52Â°F (very comfortable) and is rarely below -1Â°F (dry) or above 56Â°F (comfortable).
The time of the year between July 4 and September 2 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of the year typical wind speeds vary from 0 mph to 11 mph (calm to gentle breeze), rarely exceeding 18 mph (fresh breeze).
The highest average wind speed of 4 mph (light breeze) occurs around July 7, at which time the average daily maximum wind speed is 10 mph (gentle breeze).
The lowest average wind speed of 3 mph (light air) occurs around August 30, at which time the average daily maximum wind speed is 8 mph (gentle breeze).