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Gromiljak, Bosnia and Herzegovina

Full City Profile

6,457 Population 50/sq mi density
1,578 ft Elevation 481 meters
49°F Avg Temperature 9°C
Gromiljak experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 31°F in January while summers reach 66°F in July. The area gets 264 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 9.4 inches of snow annually.

Temperature

31°F Jan (-0°C) 66°F Jul (19°C)
Annual Average49.0°F
9% below US avg
January Average31°F (-0°C)
July Average66°F (19°C)
Sunny Days264 days/yr

Geography

Elevation1,578 ft (481 m)
Area128.7 sq mi (333.3 km²)
Population Density50/sq mi
Coordinates43.9667°N, 18.0550°W
TimezoneEurope/Sarajevo

Precipitation & Snow

Annual Rainfall 40.0"
5% above US avg
Snowfall 9.4"
Wettest Month (Nov) 4.57"
Driest Month (Feb) 2.76"

Air Quality

Earthquake History

1,033 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M0.0 on Jun 1, 2025.

Sep 5, 1996 9 km ESE of Podgora, Croatia M6.0 130 km
Apr 22, 2022 15 km NNE of Ljubinje, Bosnia and Herzegovina M5.7 100 km
Nov 27, 1990 10 km N of Hrvace, Croatia M5.6 115 km
Sep 17, 1996 2 km NW of Podgora, Croatia M5.5 124 km
Mar 14, 2024 22 km ENE of Bileća, Bosnia and Herzegovina M5.4 124 km
Sep 9, 1996 8 km SSE of Podgora, Croatia M5.3 133 km
Sep 28, 1995 0 km WSW of ?iba?a, Croatia M5.2 149 km
Apr 3, 1990 5 km NNW of Grude, Bosnia and Herzegovina M5.1 81 km
Nov 27, 1990 14 km N of Hrvace, Croatia M5.1 114 km
May 23, 2004 3 km WNW of Ko?erin, Bosnia and Herzegovina M5.0 79 km
Sep 5, 1996 2 km SSE of Podgora, Croatia M4.9 128 km
Jul 31, 1990 12 km SE of Tasov?i?i, Bosnia and Herzegovina M4.9 107 km
Feb 20, 1996 11 km W of Kneževo, Bosnia and Herzegovina M4.9 89 km
Nov 18, 2013 10 km ESE of Otok, Croatia M4.9 102 km
Apr 24, 2022 12 km NNE of Ljubinje, Bosnia and Herzegovina M4.8 102 km
Apr 29, 1991 6 km SSW of Mili?i, Bosnia and Herzegovina M4.8 83 km
Aug 30, 2019 6 km NNW of Mramor, Bosnia and Herzegovina M4.8 84 km
Aug 2, 2003 5 km SE of Metkovi?, Croatia M4.7 110 km
May 22, 1994 14 km NNW of Orebi?, Croatia M4.7 124 km
Jun 7, 1992 11 km S of Sokolac, Bosnia and Herzegovina M4.7 63 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 0.0 m (0 ft).

Year Location Cause Max Wave Deaths Distance
1962 DALMATIAN COASTS Earthquake 0.0 m 1 107 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-0°C) 2.8 in Coldest
February 34°F (1°C) 2.8 in Driest
March 41°F (5°C) 2.8 in
April 48°F (9°C) 3.3 in
May 57°F (14°C) 3.4 in
June 63°F (17°C) 3.6 in
July 66°F (19°C) 3.0 in Warmest
August 65°F (19°C) 2.9 in
September 59°F (15°C) 3.3 in
October 51°F (10°C) 3.8 in
November 40°F (5°C) 4.6 in Wettest
December 33°F (0°C) 3.9 in

Gromiljak has a seasonal temperature swing of 35°F / from 31°F in January to 66°F in July. Total annual precipitation is 40.0 inches, with November being the wettest month (4.6") and February the driest (2.8").

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