"Bijeljina Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 4 September 2023. Retrieved 4 September 2023.
"Bijeljina"(PDF). osbih.ba. Federation of Bosnia and Herzegovina. Archived(PDF) from the original on 25 September 2022. Retrieved 25 September 2022.
"Bijeljina Climate Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 4 September 2023. Retrieved 4 September 2023.