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Grytviken Climate & Temperature

  • Grytviken, South Georgia is at 54°16'S, 36°30'W, 3 m (10 ft). See map.
  • Grytviken has a polar tundra climate with no true summer (Köppen-Geiger classification: ET).
  • According to the Holdridge life zones system of bioclimatic classification Grytviken is situated in or near the boreal rain forest biome.
  • The mean annual temperature is 1.7 degrees Celsius (35 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 7 °C (12.6°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. Grytviken Climate Graph
  • Total annual Precipitation averages 1395 mm (54.9 inches) which is equivalent to 1395 Litres/m² (34.22 Gallons/ft²).
  • On average there are 1282 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Grytviken you would pop up nearest to the climate station at Nikolayevsk Na Amure, Russia where you would find a Humid continental climate (Boreal moist forest biome).

Grytviken Climate Table

  Climate Variable Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Annual
 
Average Max Temperature °C ( °F) 1 (34) 2 (36) 4 (39) 5 (41) 7 (45) 8 (46) 8 (46) 9 (48) 8 (46) 6 (43) 3 (37) 1 (34) 5 (41)
 
Average Temperature °C ( °F) -2 (28) -2 (28) 0 (32) 2 (36) 3 (37) 4 (39) 5 (41) 5 (41) 5 (41) 2 (36) 0 (32) -2 (28) 2 (35)
 
Average Min Temperature °C ( °F) -5 (23) -5 (23) -3 (27) -2 (28) -1 (30) 0 (32) 1 (34) 2 (36) 1 (34) -1 (30) -3 (27) -5 (23) -2 (29)
 
Average Precipitation mm (in) 142 (6) 135 (5) 94 (4) 82 (3) 93 (4) 87 (3) 97 (4) 114 (4) 137 (5) 137 (5) 144 (6) 133 (5) 1395 (55)
Number of Wet Days (probability of rain on a day %) 15 (48) 14 (45) 11 (37) 12 (39) 11 (37) 11 (35) 12 (39) 13 (46) 14 (45) 14 (47) 12 (39) 15 (50) 154 (42)
Average Sunlight Hours/ Day 0h 42' 2h 23' 4h 06' 5h 30' 5h 48' 5h 23' 4h 54' 5h 39' 4h 05' 2h 12' 1h 05' 0h 24' 3h 30'
Average Daylight Hours/ Day 7h 54' 9h 39' 11h 51' 14h 05' 16h 04' 17h 05' 16h 32' 14h 51' 12h 43' 10h 28' 8h 29' 7h 25' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 9 (91) 25 (75) 35 (65) 40 (60) 37 (63) 32 (68) 30 (70) 39 (61) 33 (67) 22 (78) 13 (87) 6 (94) 29 (71)
Sun altitude at solar noon on the 21st day (°). 15.4 23.8 35.2 46.4 55.6 59.2 55.5 46.1 35.4 23.8 15.5 12.4 35.4

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