Weather & Climate in Trn, Bosnia and Herzegovina

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Trn experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 33°F in January while summers reach 69°F in July. Annual precipitation totals 38.5 inches. The area receives 5.6 inches of snow annually. The city sits at an elevation of 443 feet.

Temperature

33°F Jan (0°C) 69°F Jul (21°C)
Annual Average51.8°F
4% below US avg
January Average33°F (0°C)
July Average69°F (21°C)

Geography

Elevation443 ft (135 m)
Area142.4 sq mi (368.8 km²)
Population Density40/sq mi
Coordinates44.8583°N, 17.2358°E
TimezoneEurope/Sarajevo

Precipitation & Snow

Annual Rainfall 38.5"
1% above US avg
Snowfall 5.6"
Wettest Month (Jun) 4.09"
Driest Month (Feb) 2.28"

Air Quality

Earthquake History

442 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.

Nov 27, 1990 10 km N of Hrvace, Croatia M5.6 122 km 24 km
Nov 27, 1990 14 km N of Hrvace, Croatia M5.1 117 km 10 km
Nov 18, 2013 10 km ESE of Otok, Croatia M4.9 136 km 20 km
Aug 25, 1995 5 km NW of Požega, Croatia M4.9 65 km 24 km
Feb 20, 1996 11 km W of Kneževo, Bosnia and Herzegovina M4.9 39 km 10 km
Aug 30, 2019 6 km NNW of Mramor, Bosnia and Herzegovina M4.8 105 km 7 km
Apr 6, 2021 16 km NNW of Dvor, Croatia M4.7 85 km 10 km
Jan 6, 2021 3 km W of Petrinja, Croatia M4.7 101 km 10 km
Jun 3, 1990 8 km NNE of Maslovare, Bosnia and Herzegovina M4.6 37 km 10 km
Dec 13, 1995 9 km W of Živinice, Bosnia and Herzegovina M4.6 36 km 10 km
Feb 11, 2025 5 km NE of Starigrad, Croatia M4.6 150 km 10 km
Feb 26, 1998 6 km W of ?e?ava, Bosnia and Herzegovina M4.6 40 km 23 km
Aug 16, 2021 6 km NW of Petrinja, Croatia M4.6 104 km 10 km
Jun 17, 2011 14 km WNW of Hrvace, Croatia M4.6 134 km 10 km
May 19, 2023 5 km E of Srebrenik, Bosnia and Herzegovina M4.5 106 km 10 km
May 10, 2003 9 km NNW of Livno, Bosnia and Herzegovina M4.5 107 km 10 km
Jul 27, 2012 4 km SSW of Zenica, Bosnia and Herzegovina M4.5 92 km 10 km
May 19, 1992 7 km ESE of Otok, Croatia M4.5 136 km 10 km
May 20, 2013 10 km E of Livno, Bosnia and Herzegovina M4.4 115 km 10 km
Oct 8, 2012 19 km ENE of Glamo?, Bosnia and Herzegovina M4.4 85 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (0°C) 2.4 in Coldest
February 36°F (2°C) 2.3 in Driest
March 44°F (7°C) 2.8 in
April 52°F (11°C) 3.4 in
May 60°F (16°C) 3.4 in
June 66°F (19°C) 4.1 in Wettest
July 69°F (21°C) 3.7 in Warmest
August 69°F (20°C) 3.4 in
September 62°F (17°C) 3.2 in
October 53°F (12°C) 3.3 in
November 43°F (6°C) 3.5 in
December 35°F (2°C) 3.2 in

Trn has a seasonal temperature swing of 37°F / from 33°F in January to 69°F in July. Total annual precipitation is 38.6 inches, with June being the wettest month (4.1") and February the driest (2.3").

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