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Monthly climate in Shirone, Niigata, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Shirone features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (38 °F) and 27 °C (82 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1879 mm (74.0 inches) and receives 210 rainy days on the 1 mm (0.04 inches) threshold annually.Shirone enjoys an average of 2892 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Shirone, Niigata, Japan §

The warmest months in Shirone are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (38 - 43 °F) throughout the day. On average each year, Shirone experiences 89 days above 25 °C (77.0 °F) and 21 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Shirone, 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 12°C
(55°F)		 17°C
(63°F)		 21°C
(71°F)		 26°C
(79°F)		 30°C
(87°F)		 32°C
(90°F)		 38°C
(101°F)		 38°C
(101°F)		 38°C
(100°F)		 31°C
(89°F)		 24°C
(76°F)		 20°C
(68°F)
Mean maximum 10°C
(50°F)		 13°C
(55°F)		 19°C
(67°F)		 23°C
(74°F)		 29°C
(84°F)		 28°C
(83°F)		 34°C
(93°F)		 37°C
(98°F)		 33°C
(92°F)		 28°C
(83°F)		 22°C
(72°F)		 15°C
(59°F)
Average high 6°C
(42°F)		 7°C
(44°F)		 11°C
(53°F)		 16°C
(61°F)		 22°C
(72°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(87°F)		 27°C
(80°F)		 21°C
(70°F)		 15°C
(59°F)		 9°C
(48°F)
Daily mean 3°C
(38°F)		 4°C
(39°F)		 7°C
(46°F)		 12°C
(53°F)		 18°C
(64°F)		 21°C
(70°F)		 26°C
(79°F)		 27°C
(82°F)		 23°C
(74°F)		 17°C
(64°F)		 11°C
(53°F)		 6°C
(43°F)
Average low 1°C
(34°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(46°F)		 13°C
(56°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 8°C
(47°F)		 3°C
(38°F)
Mean minimum -3°C
(27°F)		 -4°C
(26°F)		 -1°C
(30°F)		 2°C
(35°F)		 7°C
(46°F)		 14°C
(57°F)		 20°C
(69°F)		 20°C
(68°F)		 14°C
(57°F)		 9°C
(48°F)		 2°C
(36°F)		 -1°C
(31°F)
Minimum -7°C
(20°F)		 -6°C
(21°F)		 -4°C
(25°F)		 -0°C
(32°F)		 6°C
(44°F)		 11°C
(52°F)		 20°C
(68°F)		 18°C
(64°F)		 13°C
(56°F)		 8°C
(47°F)		 0°C
(33°F)		 -2°C
(29°F)

Compare climate in Shirone with other places

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

Monthly average precipitation in Shirone, Niigata, Japan §

Shirone usually has the most precipitation in July, August and December, with an average of 19 rainy days and 228 mm (9.0 inches) of precipitation per month.The driest months in Shirone are April, May and June. On average, 107 mm (4.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Shirone, 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) 165 (6.5) 132 (5.2) 123 (4.8) 113 (4.4) 107 (4.2) 102 (4.0) 261 (10.3) 213 (8.4) 145 (5.7) 155 (6.1) 153 (6.0) 210 (8.3)
Average precipitation days (≥ 1 mm) 22 22 18 14 14 13 16 17 16 14 18 26

Monthly sunshine hours in Shirone, Niigata, Japan §

The sunniest months in Shirone are May, June and August, when the sun shines an average of 9 hours 43 minutes a day.Least sunny months in Shirone: January, February and December receive an average of 5 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Shirone, 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 142 195 245 274 303 291 280 299 253 219 208 178
Mean daily daylight hours 9h 52m 10h 46m 11h 57m 13h 10m 14h 11m 14h 42m 14h 26m 13h 33m 12h 23m 11h 11m 10h 8m 9h 35m

Solar UV radiation in Shirone, Niigata, Japan §

Shirone experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 4. For more detailed information, check out our hourly Shirone UV Index data.

Average daily maximum UV levels by month for Shirone, 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) 3 4 7 9 10 10 11 11 9 6 4 3