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Monthly climate in Sawara, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sawara features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1597 mm (62.9 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Sawara enjoys an average of 2997 hours of sunshine throughout the year, and daylight varies from 9 hours 45 minutes to 14 hours 32 minutes per day.

Monthly average temperatures in Sawara, Japan

The warmest months in Sawara are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (75 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (43 - 48 °F) throughout the day. On average each year, Sawara experiences 69 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 Sawara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		18°C
(65°F)		21°C
(70°F)		24°C
(75°F)		28°C
(83°F)		30°C
(86°F)		32°C
(90°F)		33°C
(92°F)		33°C
(91°F)		30°C
(85°F)		22°C
(73°F)		21°C
(70°F)
Mean maximum14°C
(58°F)		16°C
(61°F)		19°C
(67°F)		22°C
(72°F)		26°C
(80°F)		27°C
(81°F)		31°C
(88°F)		33°C
(91°F)		31°C
(88°F)		27°C
(80°F)		21°C
(71°F)		18°C
(64°F)
Average high9°C
(49°F)		10°C
(51°F)		14°C
(57°F)		17°C
(63°F)		21°C
(71°F)		24°C
(75°F)		27°C
(81°F)		29°C
(85°F)		26°C
(79°F)		21°C
(70°F)		17°C
(63°F)		12°C
(53°F)
Daily mean6°C
(43°F)		7°C
(45°F)		11°C
(51°F)		14°C
(57°F)		19°C
(66°F)		21°C
(71°F)		25°C
(77°F)		27°C
(81°F)		24°C
(75°F)		19°C
(67°F)		14°C
(58°F)		9°C
(48°F)
Average low4°C
(39°F)		4°C
(40°F)		7°C
(46°F)		11°C
(52°F)		16°C
(61°F)		19°C
(67°F)		23°C
(74°F)		25°C
(77°F)		22°C
(72°F)		17°C
(63°F)		12°C
(54°F)		6°C
(44°F)
Mean minimum-0°C
(32°F)		0°C
(33°F)		3°C
(37°F)		6°C
(43°F)		11°C
(52°F)		17°C
(63°F)		20°C
(68°F)		21°C
(71°F)		18°C
(65°F)		12°C
(54°F)		7°C
(44°F)		2°C
(35°F)
Minimum-3°C
(27°F)		-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		10°C
(50°F)		16°C
(61°F)		19°C
(66°F)		20°C
(68°F)		16°C
(61°F)		10°C
(51°F)		5°C
(41°F)		-0°C
(32°F)

Compare climate in Sawara with other places

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

Monthly average precipitation in Sawara, Japan

Sawara usually has the most precipitation in July, September and October, with an average of 16 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Sawara are January, February and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sawara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.2)52 (2.0)145 (5.7)123 (4.8)138 (5.4)158 (6.2)207 (8.2)100 (3.9)176 (6.9)258 (10.1)110 (4.3)76 (3.0)
Average precipitation days (≥ 1 mm)691211121417121715109

Monthly sunshine hours in Sawara, Japan

The sunniest months in Sawara are April, May and August, when the sun shines an average of 9 hours 24 minutes a day. Least sunny months in Sawara: January, October and December 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 Sawara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours188235260279289271258295245216230225
Mean daily daylight hours10h 0m10h 51m11h 57m13h 5m14h 3m14h 32m14h 17m13h 27m12h 22m11h 14m10h 15m9h 45m

Solar UV radiation in Sawara, Japan

Sawara 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 Sawara UV Index data.

Average daily maximum UV levels by month for Sawara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101111109753