| Record high, °C | 23 | 17 | 10 | 8 | 7 | 11 | 12 | 21 | 27 | 32 | 30 | 31 | 32 | 
                                            
                    | Average high, °C | 13 | 8 | 2 | -1 | -3 | -2 | 1 | 7 | 15 | 19 | 20 | 19 | 8 | 
                                            
                    | Average temperature, °C | 10 | 5 | 0 | -3 | -5 | -5 | -2 | 3 | 9 | 14 | 16 | 15 | 5 | 
                                            
                    | Average low, °C | 6 | 2 | -1 | -6 | -8 | -8 | -5 | -1 | 4 | 9 | 12 | 10 | 1 | 
                                            
                    | Record low, °C | -6 | -10 | -21 | -33 | -35 | -32 | -23 | -15 | -5 | -1 | 3 | 1 | -35 | 
            
                                            
                    | Rain, days | 15 | 15 | 17 | 12 | 8 | 6 | 7 | 10 | 10 | 10 | 12 | 13 | 135 | 
            
                                            
                    | Snow, days | 3 | 4 | 1 | 1 | 4 | 4 | 7 | 6 | 6 | 5 | 3 | 2 | 46 | 
                                                        
                    | Fog, days | 19 | 19 | 17 | 16 | 19 | 18 | 21 | 16 | 17 | 15 | 20 | 21 | 218 | 
            
                                            
                    | Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 3 | 12 | 
                                                                    
                    | Average precipitation, mm. | 70 | 72 | 77 | 69 | 61 | 46 | 43 | 41 | 40 | 47 | 66 | 81 | 713 | 
                                                                                
                        | Relative humidity, % | 85 | 85 | 90 | 90 | 90 | 90 | 90 | 90 | 85 | 85 | 85 | 85 | 88 | 
                                                                                    
                        | Relative humidity morning, % | 93 | 91 | 91 | 90 | 89 | 90 | 90 | 88 | 84 | 84 | 90 | 92 | 89 | 
                                                                                    
                        | Relative humidity evening, % | 71 | 79 | 88 | 89 | 88 | 83 | 72 | 58 | 51 | 52 | 58 | 62 | 71 | 
                                                                        
                    | Wind speed, km/h | 9 | 12 | 14 | 12 | 14 | 12 | 12 | 12 | 12 | 9 | 9 | 9 | 11 | 
                                                                    
                    | Day Length, часов | 14 | 11 | 8 | 7 | 8 | 10 | 13 | 16 | 19 | 21 | 19 | 17 | 13 | 
                                                        
                    | Dew point, °C | 7 | 3 | 0 | -5 | -7 | -7 | -5 | -1 | 2 | 7 | 11 | 10 | 15 | 
                                                        
                    | Growing degree-day, °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 172 | 155 | 444 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 9 | 4 | 2 | 1 | 1 | 4 | 9 | 14 | 20 | 20 | 19 | 15 | 10 |