average temperature in ketchikan, alaska
The drier season lasts 4.9 months, from April 6 to September 4. Rain falls throughout the year in Ketchikan. The average hourly wind speed in Ketchikan experiences significant seasonal variation over the course of the year.
Based on the tourism score, the best time of year to visit Ketchikan for warm-weather activities is from mid July to mid August.
high : Average high in ºF - Av.low : Average low in ºF - Av.
The percentage of time spent in various temperature bands. The ‘shoulder’ season of May & September brings cooler weather and it is typically about 5-10 degrees colder.
The cloudier part of the year begins around September 23 and lasts for 7.0 months, ending around April 22.
Check average temperature, sunshine & rainfall plus more to Ketchikan, Alaska
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Over the course of the year, the temperature typically varies from 31Â°F to 65Â°F and is rarely below 19Â°F or above 72Â°F. As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The windiest day of the year is January 2, with an average hourly wind speed of 9.0 miles per hour. On average, the warmest month is July and the coolest month is January. The shaded overlays indicate night and civil twilight. The amount of rain in July is high with an average of 109mm (4.3in).
Ketchikan experiences some seasonal variation in monthly liquid-equivalent snowfall. The snowy period of the year lasts for 4.7 months, from November 4 to March 25, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches.
The area within 2 miles of Ketchikan is covered by trees (61%) and water (29%), within 10 miles by trees (55%) and water (37%), and within 50 miles by trees (48%) and water (41%).
The thin dotted line is the corresponding average liquid-equivalent snowfall. Ketchikan, Alaska - Travel and vacation weather averages, current conditions and forecasts. A climate graph showing rainfall, temperatures and normals. Monthly temperature, precipitation and hours of sunshine. The least rain falls around June 25, with an average total accumulation of 4.4 inches. In this report, we use a base of 50Â°F and a cap of 86Â°F.
Most precipitation falls in October, with an average of 566 mm | 22.3 inch.
Ketchikan Weather averages for holidays in 2020/2021.
On December 9, the cloudiest day of the year, the sky is overcast or mostly cloudy 79% of the time, and clear, mostly clear, or partly cloudy 22% of the time. The growing season in Ketchikan typically lasts for 6.3 months (191 days), from around April 18 to around October 26, rarely starting before March 19 or after May 14, and rarely ending before October 2 or after November 20.
The clearer part of the year in Ketchikan begins around April 22 and lasts for 5.0 months, ending around September 23.
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). In January, the average temperature is 0.4 °C | 32.7 °F.
The darkest day of the year is December 19, with an average of 0.3 kWh. July is the driest month of the year. The closest Ocean of Ketchikan is Hecate Strait with roughly 4.35km (2.70 in miles), The closest Airports of Ketchikan are: Ketchikan International Airport (KTN) 4.21km,Wrangell Airport (WRG) 134.61km,Petersburg James A. Johnson Airport (PSG) 181.28km, You can reach Ketchikan from this Cities by Plane: Seattle (SEA), Ketchikan (KTN), Juneau (JNU), Sitka (SIT), Petersburg (PSG), Wrangell (WRG), © Climate-Data.org / AM OP / OpenStreetMap contributors, Ketchikan Weather by month // weather averages, Ketchikan Climate graph // Weather by Month. Within 10 miles contains large variations in elevation (3,297 feet). The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Ketchikan weather averages and climate Ketchikan, Alaska.
AskÃ¸y, Norway (4,103 miles away) is the far-away foreign place with temperatures most similar to Ketchikan (view comparison). The average Ketchikan Highs & Lows in °F & °C The average summer temperature is 55 degrees °F. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The figure below presents a compact representation of key lunar data for 2020. Ketchikan Weather by month // weather averages
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. At an average temperature of 14.5 °C | 58.1 °F, August is the hottest month of the year. Average precipitation in : Av.
On average, the coolest month is January. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine, Monthly averages KetchikanLongitude: -131.646, Latitude: 55.3422Average weather Ketchikan, AK - 99901, Monthly: 1981-2010 normalsHistory: 2007-2019. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The solar day over the course of the year 2020. The average temperatures vary during the year by 14.1 °C | 57.4 °F. The darker period of the year lasts for 4.2 months, from October 15 to February 20, with an average daily incident shortwave energy per square meter below 1.3 kWh. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
The time of year with warmer water lasts for 2.4 months, from July 1 to September 14, with an average temperature above 54Â°F. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose.
Annual Weather Averages in Ketchikan.
It is the lowest average temperature of the whole year. In January, the average temperature is 0.4 °C | 32.7 °F. The lowest water temperatures are seen around the year around March 10 at 5.90°C | 42.62°F. precip. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Within 50 miles also contains extreme variations in elevation (4,977 feet). The water temperature in Ketchikan (Hecate Strait) is on an annual average at about 9.30°C | 48.74°F. For the purposes of this report, the geographical coordinates of Ketchikan are 55.342 deg latitude, -131.648 deg longitude, and 49 ft elevation. Based on weather reports collected during 1985–2015.
Show the average temperatures in Ketchikan in Fahrenheit * Data from nearest weather station: Annette Island, United States of America (34 KM). The wind is most often from the east for 5.1 months, from November 2 to April 5, with a peak percentage of 52% on January 1.
Over the course of the year, the temperature typically varies from 31°F to 65°F and is rarely below 19°F or above 72°F. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands.
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis .
The estimated value at Ketchikan is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Ketchikan and a given station. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents.
Forecast as PDF. The wetter season lasts 7.1 months, from September 4 to April 6, with a greater than 56% chance of a given day being a wet day. For each station, the records are corrected for the elevation difference between that station and Ketchikan according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
: Average precipitation in inch - Days precip. The average water temperature experiences some seasonal variation over the course of the year. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon.
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