Örebro, where it's located

The climate of Örebro is Baltic, that is, moderately continental, with cold winters, during which the average temperature is a few degrees below freezing, and mild to pleasantly warm summers.
The city is located in southern Sweden, about 160 km (100 mi) west of Stockholm.
The average temperature of the coldest month (January) is of -2.5 °C (28 °F), that of the warmest month (July) is of 18 °C (64 °F). However, during polar cold spells, the temperature can drop to -25 °C (-13 °F) or below, while in summer, it can reach 28/30 °C (82/86 °F), although rarely. Here are the average temperatures.
Örebro - Average temperatures
Min (°C)-5-5-316101211830-3
Max (°C)0161218212422171052
Min (°F)232327344350545246373227
Max (°F)323443546470757263504136

Precipitation amounts to 685 millimeters (27 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (March) to 85 mm (3.3 in) in the wettest (August). Here is the average precipitation.
Örebro - Average precipitation


Best Time

The best time to visit Örebro is the summer, from June to August, since it is the mildest season. However, you must take into account some rainy days and a bit of cold at night.