Sitka, Alaska, United States Climate

Weather: 8.94°C/48.09°F, Wind SW at 1.54 km/h, 66% Humidity, 0% Chance of rain

United States
(Photo by Rod Long on Unsplash)

Sitka Climate Summary

Located at an elevation of 8.35 meters (27.4 feet) above sea level, Sitka has a Subartic, severe winter, no dry season, cool summer climate (Classification: Dfc). The district’s yearly temperature is 6.35ºC (43.43ºF) and it is -6.29% lower than United States’s averages. Sitka typically receives about 97.59 millimeters (3.84 inches) of precipitation and has 66.57 rainy days (18.24% of the time) annually.

CountryUnited States
CityAlaska
Longitude-135.33
Latitude57.0530556
Attitude/Elevation8.35m (27.4ft)
Local timeThursday 22:06
Annual high temperature7.7ºC (45.86ºF)
Annual low temperature3.49ºC (38.28ºF)
Average annual precip.97.59mm (3.84in)
Warmest monthJuly (15.63ºC / 60.13ºF)
Coldest MonthFebruary (-4.16ºC / 24.51ºF)
Wettest MonthDecember (193.08mm / 7.6in)
Driest MonthJuly (49.98mm / 1.97in)
Number of days with rainfall (≥ 1.0 mm)66.57 days (18.24%)
Days with no rain298.43 days (81.76%)
Humidity82.14%

Climate Sitka: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)7.0(44.6)4.0(39.2)12.0(53.6)13.0(55.4)20.0(68.0)21.0(69.8)24.0(75.2)20.0(68.0)18.0(64.4)14.0(57.2)9.0(48.2)8.0(46.4)24.0(75.2)
Average high °C (°F)-0.84(30.49)-0.02(31.96)3.41(38.14)6.11(43.0)11.05(51.89)12.99(55.38)15.63(60.13)15.26(59.47)14.04(57.27)8.33(46.99)3.71(38.68)2.72(36.9)7.7(45.86)
Daily mean °C (°F)-1.78(28.8)-1.36(29.55)1.56(34.81)4.42(39.96)9.57(49.23)11.76(53.17)14.28(57.7)14.01(57.22)12.17(53.91)6.95(44.51)2.83(37.09)1.75(35.15)6.35(43.43)
Average low °C (°F)-3.76(25.23)-4.16(24.51)-1.22(29.8)1.29(34.32)5.65(42.17)8.69(47.64)10.45(50.81)10.95(51.71)9.04(48.27)4.62(40.32)0.7(33.26)-0.4(31.28)3.49(38.28)
Record low °C (°F)-21.0(-5.8)-15.0(5.0)-11.0(12.2)-8.0(17.6)1.0(33.8)4.0(39.2)6.0(42.8)6.0(42.8)4.0(39.2)-6.0(21.2)-10.0(14.0)-8.0(17.6)-21.0(-5.8)
Average precipitation mm (inches)111.89(4.41)98.93(3.89)73.12(2.88)98.45(3.88)52.59(2.07)50.79(2.0)49.98(1.97)77.88(3.07)75.33(2.97)126.33(4.97)162.73(6.41)193.08(7.6)97.59(3.84)
Average precipitation days (≥ 1.0 mm)6.554.824.555.554.735.644.275.554.276.557.07.095.55
Average relative humidity (%)84.2879.2878.9981.4680.3783.7384.7884.9577.8980.3984.2685.2782.14
Mean monthly sunshine hours3.196.749.0110.6214.2314.9915.2211.949.426.634.292.779.09

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Sitka in recent years.

Sitka

Sitka Temperature by Month

July
14.28°C | 57.7°F
August
14.01°C | 57.22°F
September
12.17°C | 53.91°F
June
11.76°C | 53.17°F
May
9.57°C | 49.23°F
October
6.95°C | 44.51°F
April
4.42°C | 39.96°F
November
2.83°C | 37.09°F
December
1.75°C | 35.15°F
March
1.56°C | 34.81°F
February
-1.36°C | 29.55°F
January
-1.78°C | 28.8°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature6.0°C (42.8°F)1.58°C (34.84°F)-7.0°C (19.4°F)
Avg Temperature4.0°C (39.2°F)-0.58°C (30.96°F)-9.0°C (15.8°F)
Min Temperature1.0°C (33.8°F)-3.87°C (25.03°F)-11.0°C (12.2°F)
Dew PointMaxAverageMin
Dew Point2.0°C (35.6°F)-4.45°C (23.99°F)-15.0°C (5.0°F)
PrecipitationMaxAverageMinSum
Precipitation93.0mm | 3.66in12.23mm | 0.48in0.0mm | 0in379.2mm | 14.93in
Snowdepth22.6mm | 0.89in5.78mm | 0.23in0.0mm | 0in179.09999999999997mm | 7.05in
WindMaxAverageMin
Wind21.0kmh | 13.05mph10.03kmh | 6.23mph4.0kmh | 2.49mph
Gust Wind41.0kmh | 25.48mph18.0kmh | 11.18mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure93.0mb12.23mb0.0mb
Sitka

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-03-01-1 | 30.2-2 | 28.49220 | 12.4329.85 | 101142.5 | 1.67
2020-03-02-1 | 30.2-2 | 28.49316 | 9.9429.68 | 100518.5 | 0.73
2020-03-03-2 | 28.4-3 | 26.68921 | 13.0529.47 | 99830.7 | 1.21
2020-03-04-1 | 30.2-4 | 24.88413 | 8.0829.62 | 100311.2 | 0.44
2020-03-05-4 | 24.8-7 | 19.48118 | 11.1829.38 | 9958.6 | 0.34
2020-03-06-6 | 21.2-10 | 14.08112 | 7.4629.94 | 10140.4 | 0.02
2020-03-07-3 | 26.6-8 | 17.6747 | 4.3530.0 | 10160.3 | 0.01
2020-03-08-0 | 32.0-2 | 28.4919 | 5.5930.0 | 101617.8 | 0.7
2020-03-091 | 33.8-0 | 32.09812 | 7.4629.62 | 100393.0 | 3.66
2020-03-10-1 | 30.2-2 | 28.49214 | 8.729.44 | 99744.4 | 1.75
2020-03-11-3 | 26.6-4 | 24.8908 | 4.9730.12 | 102020.8 | 0.82
2020-03-12-4 | 24.8-8 | 17.6818 | 4.9730.47 | 10320.7 | 0.03
2020-03-13-3 | 26.6-12 | 10.45611 | 6.8430.68 | 10390.0 | 0.0
2020-03-141 | 33.8-7 | 19.4594 | 2.4930.47 | 10320.0 | 0.0
2020-03-151 | 33.8-5 | 23.0714 | 2.4930.36 | 10280.0 | 0.0
2020-03-162 | 35.6-1 | 30.2895 | 3.1130.33 | 10270.6 | 0.02
2020-03-171 | 33.8-3 | 26.6826 | 3.7330.18 | 10220.1 | 0.0
2020-03-182 | 35.6-1 | 30.2885 | 3.1129.94 | 10148.7 | 0.34
2020-03-193 | 37.4-3 | 26.6745 | 3.1130.15 | 10210.1 | 0.0
2020-03-204 | 39.2-0 | 32.0815 | 3.1130.39 | 10290.0 | 0.0
2020-03-212 | 35.6-0 | 32.0876 | 3.7330.33 | 10272.9 | 0.11
2020-03-222 | 35.6-1 | 30.28211 | 6.8429.88 | 101216.5 | 0.65
2020-03-232 | 35.6-7 | 19.45716 | 9.9430.06 | 10180.0 | 0.0
2020-03-243 | 37.4-6 | 21.2576 | 3.7330.21 | 10230.0 | 0.0
2020-03-252 | 35.6-3 | 26.6757 | 4.3529.91 | 101310.0 | 0.39
2020-03-264 | 39.22 | 35.6945 | 3.1129.62 | 10032.7 | 0.11
2020-03-272 | 35.6-0 | 32.0915 | 3.1129.62 | 10034.1 | 0.16
2020-03-28-1 | 30.2-3 | 26.6929 | 5.5929.38 | 99524.4 | 0.96
2020-03-29-5 | 23.0-7 | 19.48517 | 10.5629.41 | 99620.1 | 0.79
2020-03-30-9 | 15.8-15 | 5.06317 | 10.5629.8 | 10090.1 | 0.0
2020-03-31-6 | 21.2-14 | 6.8599 | 5.5930.21 | 10230.0 | 0.0

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