| Record high, °C | 32 | 26 | 18 | 12 | 10 | 15 | 20 | 29 | 32 | 33 | 35 | 38 | 38 | 
                                            
                    | Average high, °C | 18 | 11 | 3 | -1 | -2 | -1 | 4 | 13 | 20 | 22 | 24 | 24 | 11 | 
                                            
                    | Average temperature, °C | 12 | 6 | 1 | -4 | -7 | -6 | -2 | 6 | 13 | 17 | 18 | 17 | 6 | 
                                            
                    | Average low, °C | 7 | 3 | -2 | -6 | -7 | -8 | -4 | 2 | 7 | 11 | 13 | 11 | 2 | 
                                            
                    | Record low, °C | -5 | -12 | -24 | -31 | -37 | -36 | -27 | -8 | -4 | -1 | 2 | 1 | -37 | 
            
                                            
                    | Rain, days | 14 | 13 | 13 | 10 | 7 | 6 | 9 | 12 | 14 | 15 | 15 | 12 | 140 | 
            
                                            
                    | Snow, days | 0 | 2 | 10 | 18 | 18 | 17 | 12 | 3 | 0 | 0 | 0 | 0 | 80 | 
                                                        
                    | Fog, days | 19 | 24 | 24 | 23 | 22 | 20 | 22 | 17 | 15 | 16 | 18 | 20 | 240 | 
            
                                            
                    | Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 4 | 3 | 16 | 
                                                                    
                    | Average precipitation, mm. | 55 | 48 | 48 | 41 | 35 | 28 | 33 | 45 | 53 | 80 | 88 | 77 | 631 | 
                                                                                
                        | Relative humidity, % | 80 | 83 | 88 | 89 | 86 | 86 | 79 | 72 | 67 | 71 | 74 | 75 | 79 | 
                                                                                    
                        | Relative humidity morning, % | 92 | 91 | 91 | 90 | 87 | 87 | 88 | 88 | 88 | 91 | 93 | 92 | 90 | 
                                                                                    
                        | Relative humidity evening, % | 63 | 71 | 83 | 87 | 82 | 78 | 71 | 56 | 52 | 59 | 59 | 55 | 68 | 
                                                                        
                    | Wind speed, km/h | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 11 | 11 | 10 | 10 | 12 | 
                                                        
                    | Monthly sunshine, часов | 160 | 100 | 37 | 29 | 49 | 69 | 125 | 171 | 251 | 260 | 264 | 244 | 1759 | 
                                                        
                    | Day Length, часов | 13 | 11 | 9 | 8 | 9 | 11 | 13 | 15 | 17 | 18 | 17 | 15 | 13 | 
                                                        
                    | Dew point, °C | 8 | 3 | -1 | -4 | -7 | -7 | -3 | 1 | 6 | 10 | 12 | 11 | 29 | 
                                                        
                    | Growing degree-day, °C | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 104 | 193 | 262 | 231 | 857 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 10 | 6 | 3 | 2 | 3 | 6 | 10 | 14 | 18 | 18 | 18 | 15 | 10 |