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Monthly climate in Tokamachi, Niigata, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tokamachi features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 26 °C (80 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 2291 mm (90.2 inches) and receives 224 rainy days on the 1 mm (0.04 inches) threshold annually.Tokamachi enjoys an average of 2939 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Tokamachi, Niigata, Japan §

The warmest months in Tokamachi are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (71 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Tokamachi experiences 90 days above 25 °C (77.0 °F) and 79 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tokamachi, Niigata, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 13°C
(56°F)		 17°C
(63°F)		 22°C
(72°F)		 28°C
(82°F)		 33°C
(91°F)		 34°C
(93°F)		 37°C
(99°F)		 38°C
(100°F)		 36°C
(98°F)		 32°C
(90°F)		 25°C
(78°F)		 21°C
(69°F)
Mean maximum 9°C
(49°F)		 12°C
(54°F)		 20°C
(68°F)		 25°C
(78°F)		 30°C
(87°F)		 30°C
(86°F)		 34°C
(94°F)		 36°C
(98°F)		 33°C
(91°F)		 29°C
(84°F)		 22°C
(72°F)		 15°C
(59°F)
Average high 4°C
(39°F)		 5°C
(41°F)		 11°C
(52°F)		 16°C
(62°F)		 23°C
(73°F)		 25°C
(78°F)		 29°C
(85°F)		 31°C
(88°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(58°F)		 7°C
(45°F)
Daily mean 1°C
(34°F)		 1°C
(35°F)		 6°C
(43°F)		 11°C
(52°F)		 17°C
(63°F)		 21°C
(69°F)		 25°C
(77°F)		 26°C
(80°F)		 22°C
(71°F)		 16°C
(61°F)		 9°C
(49°F)		 3°C
(38°F)
Average low -2°C
(28°F)		 -2°C
(28°F)		 1°C
(34°F)		 6°C
(42°F)		 12°C
(53°F)		 16°C
(61°F)		 21°C
(71°F)		 22°C
(73°F)		 18°C
(64°F)		 12°C
(54°F)		 5°C
(41°F)		 -0°C
(31°F)
Mean minimum -8°C
(17°F)		 -8°C
(19°F)		 -5°C
(24°F)		 -1°C
(30°F)		 5°C
(41°F)		 11°C
(53°F)		 18°C
(66°F)		 18°C
(64°F)		 11°C
(53°F)		 6°C
(43°F)		 -3°C
(28°F)		 -7°C
(19°F)
Minimum -12°C
(11°F)		 -10°C
(13°F)		 -8°C
(18°F)		 -3°C
(26°F)		 4°C
(39°F)		 9°C
(48°F)		 17°C
(63°F)		 14°C
(57°F)		 9°C
(48°F)		 5°C
(41°F)		 -5°C
(23°F)		 -9°C
(16°F)

Compare climate in Tokamachi with other places

Compare temperature, precipitation, sunshine, UV index in Tokamachi, Niigata, Japan with other places around the world.

Monthly average precipitation in Tokamachi, Niigata, Japan §

Tokamachi usually has the most precipitation in July, October and December, with an average of 20 rainy days and 265 mm (10.4 inches) of precipitation per month.The driest months in Tokamachi are April, May and November. On average, 148 mm (5.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tokamachi, Niigata, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 200 (7.9) 182 (7.2) 159 (6.2) 146 (5.8) 147 (5.8) 156 (6.1) 360 (14.2) 178 (7.0) 179 (7.0) 205 (8.1) 150 (5.9) 229 (9.0)
Average precipitation days (≥ 1 mm) 21 22 19 16 16 15 22 20 18 15 17 23

Monthly sunshine hours in Tokamachi, Niigata, Japan §

The sunniest months in Tokamachi are May, June and August, when the sun shines an average of 9 hours 33 minutes a day.Least sunny months in Tokamachi: January, February and December receive an average of 6 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tokamachi, Niigata, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 162 211 254 278 301 284 271 293 249 217 215 199
Mean daily daylight hours 9h 53m 10h 47m 11h 57m 13h 9m 14h 9m 14h 40m 14h 25m 13h 32m 12h 23m 11h 12m 10h 10m 9h 37m

Solar UV radiation in Tokamachi, Niigata, Japan §

Tokamachi experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Tokamachi UV Index data.

Average daily maximum UV levels by month for Tokamachi, Niigata, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 5 8 9 10 11 11 11 9 7 5 3