Annual temperature

January: 9°C (high); -11°C (low)
February: 11°C (high); -8°C (low)
March: 16°C (high); -6°C (low)
April: 21°C (high); -2°C (low)
May: 25°C (high); 2°C (low)
June: 28°C (high); 6°C (low)
July: 29°C (high); 8°C (low)
August: 29°C (high); 7°C (low)
September: 24°C (high); 4°C (low)
October: 20°C (high); 0°C (low)
November: 16°C (high); -4°C (low)
December: 11°C (high); -9°C (low)