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Monthly climate in Nakano, Nagano, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Nakano features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 24 °C (75 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 2073 mm (81.6 inches) and receives 228 rainy days on the 1 mm (0.04 inches) threshold annually.Nakano enjoys an average of 2960 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.

Monthly average temperatures in Nakano, Nagano, Japan §

The warmest months in Nakano are July, August and September, with daily mean temperatures ranging from 19 to 24 °C (67 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, Nakano experiences 57 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nakano, Nagano, 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 10°C
(51°F)		 16°C
(61°F)		 21°C
(70°F)		 27°C
(81°F)		 31°C
(88°F)		 30°C
(87°F)		 33°C
(91°F)		 35°C
(95°F)		 32°C
(89°F)		 28°C
(82°F)		 21°C
(70°F)		 19°C
(66°F)
Mean maximum 8°C
(47°F)		 11°C
(52°F)		 18°C
(64°F)		 23°C
(73°F)		 28°C
(83°F)		 27°C
(81°F)		 31°C
(88°F)		 33°C
(91°F)		 28°C
(83°F)		 26°C
(79°F)		 19°C
(66°F)		 13°C
(55°F)
Average high 2°C
(36°F)		 3°C
(38°F)		 9°C
(48°F)		 14°C
(58°F)		 21°C
(69°F)		 23°C
(74°F)		 26°C
(80°F)		 28°C
(83°F)		 24°C
(75°F)		 18°C
(64°F)		 12°C
(54°F)		 5°C
(42°F)
Daily mean -2°C
(29°F)		 -1°C
(30°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(73°F)		 24°C
(75°F)		 19°C
(67°F)		 13°C
(56°F)		 7°C
(44°F)		 1°C
(34°F)
Average low -5°C
(23°F)		 -5°C
(24°F)		 -1°C
(30°F)		 3°C
(38°F)		 10°C
(49°F)		 14°C
(57°F)		 19°C
(67°F)		 20°C
(69°F)		 16°C
(60°F)		 9°C
(49°F)		 2°C
(37°F)		 -3°C
(27°F)
Mean minimum -12°C
(11°F)		 -10°C
(13°F)		 -7°C
(20°F)		 -3°C
(26°F)		 2°C
(35°F)		 9°C
(49°F)		 16°C
(61°F)		 16°C
(60°F)		 10°C
(50°F)		 3°C
(38°F)		 -4°C
(25°F)		 -9°C
(16°F)
Minimum -15°C
(6°F)		 -14°C
(7°F)		 -9°C
(16°F)		 -5°C
(22°F)		 0°C
(33°F)		 5°C
(41°F)		 15°C
(60°F)		 11°C
(52°F)		 7°C
(44°F)		 2°C
(36°F)		 -8°C
(19°F)		 -10°C
(14°F)

Compare climate in Nakano with other places

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

Monthly average precipitation in Nakano, Nagano, Japan §

Nakano usually has the most precipitation in July, August and October, with an average of 22 rainy days and 252 mm (9.9 inches) of precipitation per month.The driest months in Nakano are February, March and November. On average, 119 mm (4.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nakano, Nagano, 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) 144 (5.7) 129 (5.1) 133 (5.2) 141 (5.5) 160 (6.3) 171 (6.7) 341 (13.4) 198 (7.8) 194 (7.6) 217 (8.5) 94 (3.7) 151 (6.0)
Average precipitation days (≥ 1 mm) 21 19 18 16 16 18 25 23 19 18 15 20

Monthly sunshine hours in Nakano, Nagano, Japan §

The sunniest months in Nakano are May, June and August, when the sun shines an average of 9 hours 26 minutes a day.Least sunny months in Nakano: January, October and December receive an average of 6 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nakano, Nagano, 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 174 224 261 278 299 279 261 289 242 216 223 208
Mean daily daylight hours 9h 56m 10h 49m 11h 57m 13h 8m 14h 7m 14h 37m 14h 22m 13h 30m 12h 23m 11h 13m 10h 11m 9h 40m

Solar UV radiation in Nakano, Nagano, Japan §

Nakano experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November 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 Nakano UV Index data.

Average daily maximum UV levels by month for Nakano, Nagano, 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 6 9 9 11 11 11 11 10 7 5 3