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Monthly climate in Kumagaya, Saitama, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kumagaya features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (39 °F) and 27 °C (82 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1669 mm (65.7 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually.Kumagaya enjoys an average of 2899 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 34 minutes per day.

Monthly average temperatures in Kumagaya, Saitama, Japan §

The warmest months in Kumagaya 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 4 to 6 °C (39 - 43 °F) throughout the day. On average each year, Kumagaya experiences 97 days above 25 °C (77.0 °F) and 37 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kumagaya, Saitama, 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
(63°F)		 21°C
(70°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(92°F)		 33°C
(92°F)		 37°C
(98°F)		 37°C
(98°F)		 35°C
(95°F)		 31°C
(88°F)		 24°C
(75°F)		 19°C
(66°F)
Mean maximum 15°C
(59°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(79°F)		 31°C
(88°F)		 30°C
(85°F)		 34°C
(94°F)		 35°C
(96°F)		 33°C
(91°F)		 28°C
(84°F)		 22°C
(72°F)		 17°C
(63°F)
Average high 9°C
(48°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(66°F)		 24°C
(75°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(89°F)		 26°C
(80°F)		 21°C
(70°F)		 17°C
(62°F)		 11°C
(52°F)
Daily mean 4°C
(39°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(57°F)		 19°C
(66°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(82°F)		 23°C
(74°F)		 18°C
(64°F)		 12°C
(53°F)		 6°C
(43°F)
Average low -0°C
(32°F)		 1°C
(33°F)		 4°C
(40°F)		 9°C
(48°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(73°F)		 24°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 7°C
(45°F)		 2°C
(36°F)
Mean minimum -4°C
(25°F)		 -3°C
(27°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(44°F)		 14°C
(58°F)		 19°C
(66°F)		 19°C
(67°F)		 15°C
(59°F)		 8°C
(46°F)		 1°C
(34°F)		 -2°C
(28°F)
Minimum -9°C
(16°F)		 -5°C
(23°F)		 -4°C
(26°F)		 -1°C
(31°F)		 5°C
(41°F)		 12°C
(54°F)		 17°C
(63°F)		 16°C
(61°F)		 13°C
(55°F)		 5°C
(41°F)		 -2°C
(29°F)		 -3°C
(27°F)

Compare climate in Kumagaya with other places

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

Monthly average precipitation in Kumagaya, Saitama, Japan §

Kumagaya usually has the most precipitation in July, September and October, with an average of 19 rainy days and 251 mm (9.9 inches) of precipitation per month.The driest months in Kumagaya are January, February and December. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kumagaya, Saitama, 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) 40 (1.6) 42 (1.7) 129 (5.1) 127 (5.0) 137 (5.4) 175 (6.9) 274 (10.8) 163 (6.4) 213 (8.4) 267 (10.5) 57 (2.3) 45 (1.8)
Average precipitation days (≥ 1 mm) 5 6 10 12 13 17 21 17 21 16 7 6

Monthly sunshine hours in Kumagaya, Saitama, Japan §

The sunniest months in Kumagaya are April, May and August, when the sun shines an average of 8 hours 57 minutes a day.Least sunny months in Kumagaya: January, September and October receive an average of 6 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kumagaya, Saitama, 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 190 238 263 276 278 261 227 269 224 206 231 231
Mean daily daylight hours 9h 58m 10h 50m 11h 57m 13h 7m 14h 5m 14h 34m 14h 20m 13h 29m 12h 22m 11h 14m 10h 14m 9h 43m

Solar UV radiation in Kumagaya, Saitama, Japan §

Kumagaya experiences the highest level of ultraviolet (UV) radiation in June, 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 5. For more detailed information, check out our hourly Kumagaya UV Index data.

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