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Monthly climate in Tateyama, Chiba, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tateyama features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 27 °C (80 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1870 mm (73.6 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Tateyama enjoys an average of 2925 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 27 minutes per day.

Monthly average temperatures in Tateyama, Chiba, Japan §

The warmest months in Tateyama are July, August and September, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Tateyama experiences 62 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tateyama, Chiba, 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 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 21°C
(71°F)		 23°C
(73°F)		 25°C
(77°F)		 28°C
(83°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(81°F)		 23°C
(73°F)		 22°C
(71°F)
Mean maximum 17°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 22°C
(72°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(79°F)		 22°C
(72°F)		 20°C
(68°F)
Average high 12°C
(53°F)		 12°C
(54°F)		 15°C
(58°F)		 17°C
(62°F)		 20°C
(68°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(81°F)		 26°C
(79°F)		 22°C
(72°F)		 19°C
(66°F)		 14°C
(58°F)
Daily mean 10°C
(50°F)		 10°C
(50°F)		 13°C
(55°F)		 15°C
(59°F)		 19°C
(66°F)		 22°C
(71°F)		 25°C
(77°F)		 27°C
(80°F)		 25°C
(77°F)		 21°C
(70°F)		 17°C
(63°F)		 12°C
(54°F)
Average low 8°C
(46°F)		 8°C
(47°F)		 11°C
(51°F)		 13°C
(57°F)		 18°C
(64°F)		 21°C
(70°F)		 24°C
(76°F)		 26°C
(79°F)		 24°C
(75°F)		 20°C
(68°F)		 15°C
(60°F)		 11°C
(51°F)
Mean minimum 5°C
(41°F)		 4°C
(40°F)		 6°C
(44°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 22°C
(71°F)		 23°C
(74°F)		 21°C
(69°F)		 16°C
(61°F)		 10°C
(51°F)		 6°C
(44°F)
Minimum 2°C
(36°F)		 3°C
(38°F)		 5°C
(42°F)		 7°C
(45°F)		 13°C
(55°F)		 17°C
(63°F)		 20°C
(69°F)		 22°C
(72°F)		 20°C
(68°F)		 15°C
(59°F)		 8°C
(47°F)		 4°C
(40°F)

Compare climate in Tateyama with other places

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

Monthly average precipitation in Tateyama, Chiba, Japan §

Tateyama usually has the most precipitation in June, July and October, with an average of 14 rainy days and 247 mm (9.7 inches) of precipitation per month.The driest months in Tateyama are January, February and December. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tateyama, Chiba, 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) 75 (3.0) 63 (2.5) 174 (6.8) 132 (5.2) 155 (6.1) 206 (8.1) 227 (8.9) 119 (4.7) 197 (7.8) 308 (12.1) 134 (5.3) 80 (3.1)
Average precipitation days (≥ 1 mm) 7 9 14 10 10 13 14 10 17 16 13 10

Monthly sunshine hours in Tateyama, Chiba, Japan §

The sunniest months in Tateyama are April, May and August, when the sun shines an average of 9 hours 15 minutes a day.Least sunny months in Tateyama: January, February and October receive an average of 6 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tateyama, Chiba, 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 187 224 254 269 286 262 248 297 239 204 226 225
Mean daily daylight hours 10h 4m 10h 54m 11h 58m 13h 4m 13h 59m 14h 27m 14h 13m 13h 24m 12h 22m 11h 16m 10h 19m 9h 50m

Solar UV radiation in Tateyama, Chiba, Japan §

Tateyama 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, 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 Tateyama UV Index data.

Average daily maximum UV levels by month for Tateyama, Chiba, 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 11 11 10 7 5 4