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Monthly climate in Herculian, Covasna, Romania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Herculian features a humid continental climate (Dfb).Temperatures typically range between -5 °C (24 °F) and 18 °C (65 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 773 mm (30.4 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Herculian enjoys an average of 3570 hours of sunshine throughout the year, and daylight varies from 8 hours 39 minutes to 15 hours 42 minutes per day.

Monthly average temperatures in Herculian, Covasna, Romania §

The warmest months in Herculian are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (62 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (24 - 31 °F) throughout the day. On average each year, Herculian experiences 26 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Herculian, Covasna, Romania.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 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 26°C
(79°F)		 29°C
(85°F)		 30°C
(86°F)		 32°C
(90°F)		 30°C
(86°F)		 25°C
(77°F)		 21°C
(71°F)		 11°C
(52°F)
Mean maximum 7°C
(44°F)		 10°C
(51°F)		 16°C
(61°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(80°F)		 28°C
(83°F)		 29°C
(85°F)		 27°C
(80°F)		 22°C
(72°F)		 16°C
(61°F)		 8°C
(46°F)
Average high -1°C
(30°F)		 2°C
(37°F)		 7°C
(44°F)		 12°C
(55°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(73°F)		 24°C
(76°F)		 19°C
(67°F)		 14°C
(57°F)		 7°C
(46°F)		 2°C
(35°F)
Daily mean -5°C
(24°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(54°F)		 16°C
(62°F)		 18°C
(64°F)		 18°C
(65°F)		 13°C
(56°F)		 8°C
(47°F)		 3°C
(38°F)		 -1°C
(31°F)
Average low -8°C
(18°F)		 -5°C
(23°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(55°F)		 8°C
(47°F)		 4°C
(39°F)		 0°C
(33°F)		 -3°C
(27°F)
Mean minimum -19°C
(-1°F)		 -16°C
(3°F)		 -11°C
(13°F)		 -4°C
(24°F)		 1°C
(34°F)		 7°C
(44°F)		 8°C
(47°F)		 8°C
(46°F)		 -1°C
(31°F)		 -2°C
(28°F)		 -6°C
(21°F)		 -11°C
(12°F)
Minimum -23°C
(-9°F)		 -22°C
(-8°F)		 -19°C
(-2°F)		 -8°C
(19°F)		 -1°C
(31°F)		 3°C
(37°F)		 7°C
(44°F)		 5°C
(41°F)		 -3°C
(26°F)		 -5°C
(23°F)		 -11°C
(12°F)		 -16°C
(4°F)

Compare climate in Herculian with other places

Compare temperature, precipitation, sunshine, UV index in Herculian, Covasna, Romania with other places around the world.

Monthly average precipitation in Herculian, Covasna, Romania §

Herculian usually has the most precipitation in May, June and July, with an average of 17 rainy days and 116 mm (4.6 inches) of precipitation per month.The driest months in Herculian are January, October and November. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Herculian, Covasna, Romania.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) 28 (1.1) 43 (1.7) 51 (2.0) 51 (2.0) 103 (4.1) 145 (5.7) 101 (4.0) 80 (3.2) 46 (1.8) 41 (1.6) 30 (1.2) 55 (2.2)
Average precipitation days (≥ 1 mm) 8 10 12 10 17 20 16 9 7 7 6 11

Monthly sunshine hours in Herculian, Covasna, Romania §

The sunniest months in Herculian are June, July and August, when the sun shines an average of 13 hours 4 minutes a day.Least sunny months in Herculian: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Herculian, Covasna, Romania.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 155 214 282 336 382 389 409 403 328 278 223 165
Mean daily daylight hours 9h 3m 10h 19m 11h 56m 13h 35m 14h 59m 15h 42m 15h 19m 14h 4m 12h 29m 10h 51m 9h 24m 8h 39m

Solar UV radiation in Herculian, Covasna, Romania §

Herculian experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Herculian UV Index data.

Average daily maximum UV levels by month for Herculian, Covasna, Romania.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) 2 3 6 7 8 9 9 8 7 5 3 2