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Monthly climate in Narita, Chiba, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Narita features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (42 °F) and 28 °C (82 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1577 mm (62.1 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Narita enjoys an average of 2970 hours of sunshine throughout the year, and daylight varies from 9 hours 46 minutes to 14 hours 31 minutes per day.

Monthly average temperatures in Narita, Chiba, Japan §

The warmest months in Narita are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °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, Narita experiences 94 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Narita, 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 17°C
(64°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(81°F)		 32°C
(90°F)		 33°C
(91°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(94°F)		 31°C
(88°F)		 23°C
(75°F)		 21°C
(71°F)
Mean maximum 15°C
(60°F)		 17°C
(62°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(85°F)		 29°C
(85°F)		 33°C
(92°F)		 35°C
(96°F)		 33°C
(91°F)		 29°C
(84°F)		 22°C
(72°F)		 18°C
(65°F)
Average high 9°C
(49°F)		 10°C
(51°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(78°F)		 29°C
(85°F)		 31°C
(89°F)		 27°C
(81°F)		 22°C
(71°F)		 17°C
(63°F)		 12°C
(53°F)
Daily mean 5°C
(42°F)		 6°C
(44°F)		 10°C
(51°F)		 14°C
(58°F)		 19°C
(67°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 24°C
(75°F)		 19°C
(66°F)		 14°C
(57°F)		 8°C
(46°F)
Average low 2°C
(35°F)		 2°C
(37°F)		 6°C
(44°F)		 10°C
(51°F)		 16°C
(61°F)		 19°C
(67°F)		 23°C
(74°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(61°F)		 10°C
(51°F)		 4°C
(40°F)
Mean minimum -3°C
(27°F)		 -2°C
(29°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(50°F)		 16°C
(62°F)		 20°C
(68°F)		 21°C
(69°F)		 17°C
(63°F)		 11°C
(52°F)		 5°C
(41°F)		 -1°C
(31°F)
Minimum -6°C
(21°F)		 -3°C
(28°F)		 -1°C
(31°F)		 2°C
(36°F)		 8°C
(47°F)		 15°C
(60°F)		 18°C
(65°F)		 18°C
(64°F)		 14°C
(58°F)		 9°C
(48°F)		 3°C
(37°F)		 -3°C
(27°F)

Compare climate in Narita with other places

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

Monthly average precipitation in Narita, Chiba, Japan §

Narita usually has the most precipitation in July, September and October, with an average of 16 rainy days and 221 mm (8.7 inches) of precipitation per month.The driest months in Narita are January, February and December. On average, 57 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Narita, 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) 52 (2.1) 46 (1.8) 136 (5.4) 116 (4.6) 128 (5.0) 161 (6.3) 223 (8.8) 102 (4.0) 186 (7.3) 254 (10.0) 101 (4.0) 71 (2.8)
Average precipitation days (≥ 1 mm) 6 8 13 11 12 13 17 14 17 14 10 8

Monthly sunshine hours in Narita, Chiba, Japan §

The sunniest months in Narita are April, May and August, when the sun shines an average of 9 hours 25 minutes a day.Least sunny months in Narita: January, October and December receive an average of 6 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Narita, 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 186 228 255 276 288 268 263 302 244 211 223 221
Mean daily daylight hours 10h 1m 10h 52m 11h 57m 13h 5m 14h 2m 14h 31m 14h 17m 13h 27m 12h 22m 11h 15m 10h 16m 9h 46m

Solar UV radiation in Narita, Chiba, Japan §

Narita 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 Narita UV Index data.

Average daily maximum UV levels by month for Narita, 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) 3 5 8 9 11 11 11 11 9 7 5 4