| Record high, °C | 35 | 33 | 33 | 33 | 31 | 31 | 32 | 33 | 32 | 35 | 38 | 37 | 38 | 
                                            
                    | Average high, °C | 31 | 30 | 29 | 27 | 27 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 29 | 
                                            
                    | Average temperature, °C | 28 | 28 | 27 | 26 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 
                                            
                    | Average low, °C | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 26 | 25 | 
                                            
                    | Record low, °C | 18 | 22 | 21 | 20 | 20 | 18 | 18 | 21 | 21 | 22 | 22 | 22 | 18 | 
            
                                            
                    | Rain, days | 13 | 13 | 14 | 8 | 8 | 6 | 6 | 6 | 6 | 9 | 11 | 13 | 113 | 
            
                        
                                            
                    | Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 
                                                                    
                    | Average precipitation, mm. | 130 | 140 | 120 | 90 | 60 | 70 | 70 | 70 | 120 | 80 | 110 | 100 | 1160 | 
                                                                                
                        | Relative humidity, % | 80 | 80 | 80 | 80 | 80 | 75 | 75 | 75 | 80 | 80 | 80 | 80 | 79 | 
                                                                                    
                        | Relative humidity morning, % | 86 | 87 | 86 | 82 | 82 | 81 | 81 | 82 | 84 | 84 | 84 | 85 | 84 | 
                                                                                    
                        | Relative humidity evening, % | 74 | 76 | 77 | 74 | 71 | 70 | 70 | 71 | 74 | 73 | 73 | 74 | 73 | 
                                                                        
                    | Wind speed, km/h | 9 | 8 | 9 | 9 | 12 | 12 | 9 | 9 | 9 | 9 | 12 | 9 | 10 | 
                                                                    
                    | Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 13 | 13 | 
                                                        
                    | Dew point, °C | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 23 | 23 | 23 | 261 | 
                                                        
                    | Growing degree-day, °C | 558 | 560 | 517 | 499 | 482 | 439 | 491 | 492 | 543 | 550 | 568 | 577 | 6276 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 23 | 21 | 18 | 18 | 19 | 21 | 24 | 26 | 25 | 25 | 25 | 25 | 22 |