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Onahama Climate & Temperature

  • Onahama, Japan is at 3657'N, 14054'E, 5 m (17 ft). See map.
  • Onahama has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Kppen-Geiger classification: Cfa).
  • According to the Holdridge life zones system of bioclimatic classification Onahama is situated in or near the cool temperate wet forest biome.
  • The mean temperature is 12.9 degrees Celsius (55.2 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 20.8 °C (37.4°F). This indicates that the continentality type is oceanic, subtype semicontinental. Onahama Climate Graph
  • In the winter time records indicate temperatures by day reach 9°C (48.1°F) on average falling to -0.6°C (30.9°F) overnight.
  • In spring time temperatures climb reaching 14.8°C (58.6°F) generally in the afternoon with overnight lows of 6.4°C (43.5°F).
  • During summer average high temperatures are 24.5°C (76°F) and average low temperatures are 18.5°C (65.4°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 19.9°C (67.9°F) during the day and lows of 11.6°C (52.9°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1356.8 mm (53.4 inches) which is equivalent to 1356.8 Litres/m (33.28 Gallons/ft).
  • Were you to burrow down through the centre of the Earth from Onahama you would pop up nearest to the climate station at Torres, Brazil where you would find a Humid subtropical climate (Subtropical moist forest biome).

Onahama Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 8 (47) 8 (46) 10 (51) 15 (59) 19 (66) 22 (71) 25 (76) 27 (81) 25 (76) 20 (68) 15 (60) 11 (51) 17 (63)
 
Average Temperature °C ( °F) 3 (38) 3 (38) 6 (42) 11 (51) 15 (59) 18 (65) 22 (71) 24 (75) 21 (70) 16 (60) 11 (51) 6 (42) 13 (55)
 
Average Min Temperature °C ( °F) -2 (29) -1 (30) 1 (35) 6 (44) 11 (52) 15 (60) 19 (66) 21 (70) 18 (64) 11 (53) 6 (42) 1 (33) 9 (48)
 
Average Precipitation mm (in) 45 (2) 62 (2) 103 (4) 128 (5) 146 (6) 157 (6) 113 (4) 138 (5) 175 (7) 162 (6) 88 (3) 40 (2) 1357 (53)
Average Daylight Hours/ Day 9h 55' 10h 46' 11h 54' 13h 06' 14h 07' 14h 38' 14h 25' 13h 32' 12h 22' 11h 10' 10h 09' 9h 40' 12h 00'
Sun altitude at solar noon on the 21st day (). 33.1 42.3 53.2 64.9 73.2 76.5 73.5 65.2 53.8 42.3 33.1 29.6 53.3

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