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Monthly climate in Gromiljak, Federation of B&H, Bosnia and Herzegovina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gromiljak features a oceanic climate (Cfb).Temperatures typically range between -1 °C (31 °F) and 21 °C (70 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 1020 mm (40.2 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually.Gromiljak enjoys an average of 3670 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Gromiljak, Federation of B&H, Bosnia and Herzegovina §

The warmest months in Gromiljak are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 3 °C (31 - 38 °F) throughout the day. On average each year, Gromiljak experiences 54 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gromiljak, Federation of B&H, Bosnia and Herzegovina.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 14°C
(57°F)		 20°C
(69°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 34°C
(93°F)		 35°C
(95°F)		 38°C
(100°F)		 32°C
(89°F)		 27°C
(80°F)		 20°C
(69°F)		 14°C
(58°F)
Mean maximum 10°C
(50°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(75°F)		 25°C
(78°F)		 30°C
(86°F)		 33°C
(91°F)		 34°C
(93°F)		 30°C
(86°F)		 25°C
(77°F)		 18°C
(65°F)		 12°C
(54°F)
Average high 3°C
(38°F)		 8°C
(46°F)		 10°C
(51°F)		 15°C
(60°F)		 19°C
(67°F)		 24°C
(75°F)		 26°C
(78°F)		 27°C
(81°F)		 22°C
(72°F)		 17°C
(64°F)		 11°C
(53°F)		 6°C
(43°F)
Daily mean -1°C
(31°F)		 3°C
(38°F)		 5°C
(42°F)		 10°C
(49°F)		 14°C
(57°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(70°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(45°F)		 2°C
(37°F)
Average low -4°C
(25°F)		 -1°C
(31°F)		 0°C
(33°F)		 4°C
(40°F)		 9°C
(48°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)		 3°C
(38°F)		 -1°C
(31°F)
Mean minimum -14°C
(7°F)		 -9°C
(16°F)		 -8°C
(18°F)		 -3°C
(26°F)		 4°C
(39°F)		 8°C
(47°F)		 10°C
(51°F)		 10°C
(51°F)		 4°C
(40°F)		 2°C
(35°F)		 -3°C
(27°F)		 -8°C
(18°F)
Minimum -29°C
(-20°F)		 -12°C
(10°F)		 -12°C
(10°F)		 -12°C
(10°F)		 1°C
(35°F)		 6°C
(44°F)		 9°C
(48°F)		 8°C
(47°F)		 2°C
(35°F)		 -0°C
(32°F)		 -10°C
(14°F)		 -12°C
(11°F)

Compare climate in Gromiljak with other places

Compare temperature, precipitation, sunshine, UV index in Gromiljak, Federation of B&H, Bosnia and Herzegovina with other places around the world.

Monthly average precipitation in Gromiljak, Federation of B&H, Bosnia and Herzegovina §

Gromiljak usually has the most precipitation in March, May and December, with an average of 15 rainy days and 111 mm (4.4 inches) of precipitation per month.The driest months in Gromiljak are January, August and September. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gromiljak, Federation of B&H, Bosnia and Herzegovina.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) 74 (2.9) 88 (3.5) 92 (3.6) 89 (3.5) 98 (3.9) 88 (3.5) 88 (3.4) 47 (1.9) 44 (1.7) 83 (3.3) 87 (3.4) 142 (5.6)
Average precipitation days (≥ 1 mm) 12 12 14 13 17 14 13 9 8 9 11 16

Monthly sunshine hours in Gromiljak, Federation of B&H, Bosnia and Herzegovina §

The sunniest months in Gromiljak are June, July and August, when the sun shines an average of 13 hours 8 minutes a day.Least sunny months in Gromiljak: January, November and December receive an average of 6 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gromiljak, Federation of B&H, Bosnia and Herzegovina.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 172 227 301 334 373 393 425 389 336 294 218 203
Mean daily daylight hours 9h 17m 10h 27m 11h 56m 13h 28m 14h 45m 15h 25m 15h 4m 13h 55m 12h 27m 10h 57m 9h 37m 8h 55m

Solar UV radiation in Gromiljak, Federation of B&H, Bosnia and Herzegovina §

Gromiljak experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November 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 Gromiljak UV Index data.

Average daily maximum UV levels by month for Gromiljak, Federation of B&H, Bosnia and Herzegovina.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 4 6 7 9 10 10 9 7 5 3 2