The hottest months are usually July and August, with an average temperature of 27°C, while the coldest months are January and December, with an average of -2°C. Between January and March, the daytime average is 15°C and the night-time average is -10°C. Between April and June, temperatures average 32°C during the day and 11°C at night. Between July and September, the temperature averages 35°C during the day and 17°C at night. Between October and December, the average temperature is 20°C during the day and -8°C at night.