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Monthly climate in Ikoma, Nara, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ikoma features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (42 °F) and 29 °C (85 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1489 mm (58.6 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Ikoma enjoys an average of 3015 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Ikoma, Nara, Japan §

The warmest months in Ikoma are July, August and September, with daily mean temperatures ranging from 25 to 29 °C (78 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (42 - 46 °F) throughout the day. On average each year, Ikoma experiences 121 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ikoma, Nara, 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 18°C
(64°F)		 20°C
(69°F)		 23°C
(73°F)		 27°C
(81°F)		 32°C
(89°F)		 33°C
(91°F)		 37°C
(99°F)		 38°C
(101°F)		 38°C
(100°F)		 34°C
(94°F)		 26°C
(79°F)		 23°C
(74°F)
Mean maximum 15°C
(58°F)		 16°C
(62°F)		 21°C
(71°F)		 25°C
(77°F)		 30°C
(86°F)		 31°C
(89°F)		 35°C
(96°F)		 38°C
(100°F)		 34°C
(94°F)		 30°C
(87°F)		 23°C
(74°F)		 18°C
(65°F)
Average high 9°C
(49°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(67°F)		 25°C
(77°F)		 28°C
(82°F)		 31°C
(88°F)		 33°C
(92°F)		 29°C
(85°F)		 23°C
(74°F)		 18°C
(64°F)		 12°C
(54°F)
Daily mean 5°C
(42°F)		 6°C
(43°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 25°C
(78°F)		 19°C
(67°F)		 13°C
(56°F)		 8°C
(46°F)
Average low 2°C
(35°F)		 2°C
(36°F)		 6°C
(42°F)		 10°C
(50°F)		 15°C
(60°F)		 20°C
(67°F)		 24°C
(76°F)		 26°C
(79°F)		 22°C
(71°F)		 16°C
(60°F)		 9°C
(48°F)		 4°C
(39°F)
Mean minimum -2°C
(28°F)		 -2°C
(29°F)		 -0°C
(32°F)		 4°C
(39°F)		 9°C
(49°F)		 14°C
(58°F)		 21°C
(71°F)		 22°C
(71°F)		 16°C
(61°F)		 9°C
(48°F)		 3°C
(37°F)		 -1°C
(31°F)
Minimum -5°C
(23°F)		 -4°C
(24°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(45°F)		 13°C
(55°F)		 20°C
(69°F)		 19°C
(66°F)		 15°C
(59°F)		 7°C
(45°F)		 1°C
(33°F)		 -2°C
(28°F)

Compare climate in Ikoma with other places

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

Monthly average precipitation in Ikoma, Nara, Japan §

Ikoma usually has the most precipitation in July, August and October, with an average of 13 rainy days and 207 mm (8.2 inches) of precipitation per month.The driest months in Ikoma are January, November and December. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ikoma, Nara, 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) 48 (1.9) 60 (2.4) 110 (4.3) 129 (5.1) 144 (5.7) 140 (5.5) 245 (9.7) 150 (5.9) 142 (5.6) 226 (8.9) 40 (1.6) 55 (2.2)
Average precipitation days (≥ 1 mm) 6 7 11 10 10 11 17 10 13 12 6 6

Monthly sunshine hours in Ikoma, Nara, Japan §

The sunniest months in Ikoma are April, May and August, when the sun shines an average of 9 hours 30 minutes a day.Least sunny months in Ikoma: January, February and December receive an average of 6 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ikoma, Nara, 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 184 228 264 278 291 268 257 305 241 237 236 220
Mean daily daylight hours 10h 5m 10h 54m 11h 58m 13h 3m 13h 58m 14h 26m 14h 12m 13h 24m 12h 21m 11h 16m 10h 20m 9h 50m

Solar UV radiation in Ikoma, Nara, Japan §

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

Average daily maximum UV levels by month for Ikoma, Nara, 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 8 11 11 11 12 11 10 7 5 3