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Monthly climate in Helie, Jiangsu, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Helie features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 29 °C (85 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 40 °C (103 °F).The average annual precipitation amounts to about 1343 mm (52.9 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually.Helie enjoys an average of 2928 hours of sunshine throughout the year, and daylight varies from 10 hours 6 minutes to 14 hours 9 minutes per day.

Monthly average temperatures in Helie, Jiangsu, China §

The warmest months in Helie are June, July and August, 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 7 °C (41 - 45 °F) throughout the day. On average each year, Helie experiences 122 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Helie, Jiangsu, China.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 16°C
(62°F)		 22°C
(71°F)		 26°C
(80°F)		 30°C
(86°F)		 35°C
(96°F)		 36°C
(97°F)		 40°C
(103°F)		 37°C
(99°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(78°F)		 18°C
(64°F)
Mean maximum 13°C
(56°F)		 17°C
(63°F)		 24°C
(75°F)		 27°C
(81°F)		 32°C
(90°F)		 32°C
(90°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(90°F)		 29°C
(84°F)		 23°C
(73°F)		 15°C
(59°F)
Average high 8°C
(46°F)		 10°C
(49°F)		 15°C
(60°F)		 20°C
(69°F)		 25°C
(78°F)		 28°C
(83°F)		 31°C
(89°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 17°C
(63°F)		 10°C
(50°F)
Daily mean 5°C
(41°F)		 6°C
(44°F)		 12°C
(54°F)		 17°C
(62°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(84°F)		 29°C
(85°F)		 25°C
(77°F)		 19°C
(67°F)		 14°C
(57°F)		 7°C
(45°F)
Average low 3°C
(37°F)		 4°C
(39°F)		 9°C
(48°F)		 13°C
(56°F)		 19°C
(66°F)		 22°C
(73°F)		 26°C
(80°F)		 27°C
(81°F)		 23°C
(73°F)		 16°C
(62°F)		 11°C
(52°F)		 4°C
(40°F)
Mean minimum -4°C
(25°F)		 -1°C
(30°F)		 3°C
(38°F)		 7°C
(45°F)		 14°C
(57°F)		 19°C
(67°F)		 23°C
(74°F)		 24°C
(75°F)		 18°C
(65°F)		 11°C
(52°F)		 5°C
(41°F)		 -2°C
(28°F)
Minimum -7°C
(19°F)		 -4°C
(25°F)		 1°C
(33°F)		 5°C
(42°F)		 12°C
(54°F)		 18°C
(65°F)		 20°C
(69°F)		 22°C
(72°F)		 17°C
(63°F)		 10°C
(50°F)		 3°C
(38°F)		 -6°C
(22°F)

Compare climate in Helie with other places

Compare temperature, precipitation, sunshine, UV index in Helie, Jiangsu, China with other places around the world.

Monthly average precipitation in Helie, Jiangsu, China §

Helie usually has the most precipitation in June, July and August, with an average of 14 rainy days and 210 mm (8.2 inches) of precipitation per month.The driest months in Helie are October, November and December. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Helie, Jiangsu, China.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) 69 (2.7) 72 (2.8) 90 (3.6) 81 (3.2) 125 (4.9) 187 (7.4) 283 (11.2) 158 (6.2) 121 (4.8) 55 (2.2) 50 (2.0) 50 (2.0)
Average precipitation days (≥ 1 mm) 8 10 12 10 10 13 15 14 12 7 8 7

Monthly sunshine hours in Helie, Jiangsu, China §

The sunniest months in Helie are May, July and August, when the sun shines an average of 9 hours 20 minutes a day.Least sunny months in Helie: January, February and December receive an average of 6 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Helie, Jiangsu, China.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 157 207 235 251 282 272 280 305 259 239 221 214
Mean daily daylight hours 10h 19m 11h 2m 11h 59m 12h 56m 13h 45m 14h 9m 13h 57m 13h 15m 12h 19m 11h 22m 10h 32m 10h 6m

Solar UV radiation in Helie, Jiangsu, China §

Helie experiences the highest level of ultraviolet (UV) radiation in June, 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 / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Helie UV Index data.

Average daily maximum UV levels by month for Helie, Jiangsu, China.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) 5 6 8 10 10 11 11 11 10 7 6 4