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Monthly climate in Nagato, Yamaguchi, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Nagato features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (45 °F) and 28 °C (83 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1693 mm (66.6 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Nagato enjoys an average of 3019 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Nagato, Yamaguchi, Japan §

The warmest months in Nagato are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (76 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 48 °F) throughout the day. On average each year, Nagato experiences 99 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nagato, Yamaguchi, 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 17°C
(62°F)		 21°C
(69°F)		 21°C
(69°F)		 26°C
(78°F)		 30°C
(86°F)		 31°C
(87°F)		 37°C
(99°F)		 36°C
(98°F)		 35°C
(95°F)		 31°C
(88°F)		 26°C
(79°F)		 21°C
(70°F)
Mean maximum 14°C
(58°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(84°F)		 33°C
(92°F)		 36°C
(97°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(73°F)		 17°C
(63°F)
Average high 9°C
(49°F)		 10°C
(51°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(73°F)		 26°C
(78°F)		 29°C
(85°F)		 32°C
(89°F)		 27°C
(81°F)		 23°C
(73°F)		 18°C
(64°F)		 12°C
(53°F)
Daily mean 7°C
(45°F)		 7°C
(46°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 23°C
(73°F)		 26°C
(80°F)		 28°C
(83°F)		 24°C
(76°F)		 19°C
(67°F)		 14°C
(58°F)		 9°C
(48°F)
Average low 4°C
(40°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(53°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(79°F)		 22°C
(72°F)		 17°C
(62°F)		 11°C
(52°F)		 6°C
(44°F)
Mean minimum 0°C
(33°F)		 0°C
(33°F)		 3°C
(38°F)		 6°C
(42°F)		 11°C
(51°F)		 16°C
(61°F)		 21°C
(70°F)		 22°C
(72°F)		 17°C
(64°F)		 11°C
(53°F)		 5°C
(42°F)		 1°C
(35°F)
Minimum -3°C
(27°F)		 -2°C
(30°F)		 2°C
(37°F)		 4°C
(40°F)		 9°C
(49°F)		 14°C
(58°F)		 19°C
(66°F)		 20°C
(69°F)		 17°C
(62°F)		 10°C
(51°F)		 3°C
(38°F)		 0°C
(33°F)

Compare climate in Nagato with other places

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

Monthly average precipitation in Nagato, Yamaguchi, Japan §

Nagato usually has the most precipitation in July, August and September, with an average of 14 rainy days and 260 mm (10.2 inches) of precipitation per month.The driest months in Nagato are January, November and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nagato, Yamaguchi, 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) 64 (2.5) 77 (3.0) 139 (5.5) 109 (4.3) 111 (4.4) 178 (7.0) 298 (11.7) 248 (9.8) 233 (9.2) 117 (4.6) 45 (1.8) 74 (2.9)
Average precipitation days (≥ 1 mm) 10 10 12 9 10 12 17 14 13 9 6 8

Monthly sunshine hours in Nagato, Yamaguchi, Japan §

The sunniest months in Nagato are May, June and August, when the sun shines an average of 9 hours 36 minutes a day.Least sunny months in Nagato: January, February and December receive an average of 6 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nagato, Yamaguchi, 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 166 225 260 276 297 287 274 298 251 252 228 199
Mean daily daylight hours 10h 7m 10h 55m 11h 58m 13h 2m 13h 56m 14h 23m 14h 10m 13h 23m 12h 21m 11h 17m 10h 21m 9h 53m

Solar UV radiation in Nagato, Yamaguchi, Japan §

Nagato experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 12, 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 Nagato UV Index data.

Average daily maximum UV levels by month for Nagato, Yamaguchi, 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 10 11 11 12 12 10 7 5 3