Serbia offers a blend of natural beauty and cultural events, making it an ideal destination year-round, but timing your visit can make all the difference. For mild weather and fewer crowds, consider visiting in spring (March to May) or fall (September to October) when temperatures are comfortably cool, perfect for exploring the picturesque countryside or hiking in the Dinaric Alps. April marks the beginning of warmer days, with highs reaching 65°F, while summer months can see temperatures soar into the high 80s F and up, great for mountain biking and trekking, though always be prepared for sudden summer storms. Rainfall is highest in May and June, so plan accordingly if you prefer dry conditions. Serbia's vibrant festival scene adds to its appeal, with highlights like the Dragacevo Trumpet Festival in August, EXIT Music Festival in July, the Belgrade Dance Festival in March, and the Bitef International Theater Festival in October, aligning perfectly with the wine harvest.