Osijek, where it's located

The climate of Osijek is continental, with cold winters and warm summers.
The city is located in eastern Croatia, in Slavonia, near the border with Serbia.
The average temperature of the coldest month (January) is of -0.8 °C (31 °F), that of the warmest month (July) is of 21.5 °C (71 °F). Here are the average temperatures.
Osijek - Average temperatures
Min (°C)-4-316101415141162-2
Max (°C)361217222628282417104
Min (°F)252734435057595752433628
Max (°F)374354637279828275635039

Precipitation amounts to 690 millimeters (27.2 inches) per year: so, it is at an intermediate level. It ranges from 40 mm (1.6 in) in the driest month (February) to 80 mm (3.1 in) in the wettest (June). Here is the average precipitation.
Osijek - Average precipitation

On average, there are around 1,890 sunshine hours per year. Here are the average sunshine hours per day.
Osijek - Sunshine


Best Time

The best times to visit Osijek are spring and autumn, and in particular, the months of May, June and September: daytime temperatures are pleasant, although it's better to bring a sweater and a jacket for the evening. In July and August, the temperature is usually not too hot, however, there is the risk of some very hot days, which can happen, though more rarely, also in the second half of June and in the first half of September.