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Niigata Climate & Temperature

  • Niigata, Japan is at 3754'N, 1393'E, 7 m (23 ft). See map.
  • Niigata 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 Niigata is situated in or near the cool temperate wet forest biome.
  • The annual average temperature is 13.2 degrees Celsius (55.8 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 24.1 °C (43.4°F). This indicates that the continentality type is continental, subtype subcontinental. Niigata Climate Graph
  • In the winter time records indicate temperatures by day reach 6°C (42.8°F) on average falling to 0.3°C (32.5°F) overnight.
  • In spring time temperatures climb reaching 14.9°C (58.9°F) generally in the afternoon with overnight lows of 6.8°C (44.2°F).
  • During summer average high temperatures are 27.4°C (81.3°F) and average low temperatures are 20.4°C (68.7°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 19.5°C (67.2°F) during the day and lows of 12.1°C (53.8°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1778.4 mm (70 inches) which is equivalent to 1778.4 Litres/m (43.62 Gallons/ft).
  • On average there are 1859 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 Niigata you would pop up nearest to the climate station at Sta. Vit. Palmar, Brazil where you would find a Humid subtropical climate (Warm temperate moist forest biome).

Niigata Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 5 (41) 5 (41) 9 (48) 16 (60) 21 (69) 24 (75) 28 (82) 30 (86) 25 (78) 20 (67) 14 (57) 8 (47) 17 (63)
 
Average Temperature °C ( °F) 2 (36) 2 (36) 5 (41) 11 (52) 16 (61) 20 (68) 24 (76) 26 (79) 22 (71) 16 (60) 10 (50) 5 (41) 13 (56)
 
Average Min Temperature °C ( °F) -1 (31) -1 (31) 2 (35) 7 (44) 12 (54) 17 (63) 21 (70) 23 (73) 18 (65) 12 (53) 6 (43) 2 (36) 10 (50)
 
Average Precipitation mm (in) 191 (8) 129 (5) 103 (4) 92 (4) 98 (4) 117 (5) 182 (7) 134 (5) 157 (6) 159 (6) 197 (8) 219 (9) 1778 (70)
Number of Wet Days (probability of rain on a day %) 22 (71) 19 (67) 17 (55) 12 (40) 10 (32) 11 (37) 13 (42) 11 (35) 13 (43) 14 (45) 18 (60) 24 (77) 184 (50)
Average Sunlight Hours/ Day 2h 15' 2h 54' 4h 30' 6h 42' 7h 05' 6h 44' 6h 40' 8h 11' 5h 38' 4h 40' 3h 40' 1h 54' 5h 05'
Average Daylight Hours/ Day 9h 51' 10h 43' 11h 53' 13h 08' 14h 12' 14h 44' 14h 30' 13h 35' 12h 23' 11h 08' 10h 05' 9h 34' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 23 (77) 27 (73) 38 (62) 52 (48) 51 (49) 46 (54) 47 (53) 61 (39) 46 (54) 43 (57) 37 (63) 20 (80) 42 (58)
Sun altitude at solar noon on the 21st day (). 32.1 41.4 52.2 63.9 72.2 75.5 72.5 64.3 52.8 41.3 32.1 28.7 52.4

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