| Record high, °C | 33 | 33 | 32 | 32 | 31 | 32 | 31 | 32 | 33 | 33 | 37 | 38 | 38 | 
                                            
                    | Average high, °C | 32 | 31 | 31 | 30 | 29 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 30 | 
                                            
                    | Average temperature, °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 28 | 28 | 26 | 
                                            
                    | Average low, °C | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 22 | 23 | 24 | 24 | 24 | 22 | 
                                            
                    | Record low, °C | 18 | 20 | 17 | 15 | 15 | 16 | 15 | 16 | 17 | 20 | 20 | 20 | 15 | 
            
            
                                                        
                    | Fog, days | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 11 | 
            
                                            
                    | Thunderstorms, days | 7 | 6 | 3 | 1 | 0 | 0 | 0 | 1 | 3 | 3 | 3 | 5 | 32 | 
                                                                    
                    | Average precipitation, mm. | 236 | 228 | 220 | 137 | 84 | 64 | 73 | 123 | 148 | 118 | 150 | 198 | 1779 | 
                                                                                
                        | Relative humidity, % | 80 | 80 | 80 | 80 | 80 | 80 | 75 | 80 | 80 | 80 | 80 | 80 | 80 | 
                                                                                    
                        | Relative humidity morning, % | 94 | 95 | 95 | 94 | 92 | 91 | 90 | 90 | 90 | 90 | 91 | 93 | 92 | 
                                                                                    
                        | Relative humidity evening, % | 74 | 75 | 77 | 73 | 70 | 67 | 65 | 67 | 70 | 69 | 69 | 70 | 71 | 
                                                                        
                    | Wind speed, km/h | 12 | 9 | 12 | 12 | 14 | 14 | 14 | 12 | 12 | 14 | 14 | 12 | 13 | 
                                                                    
                    | 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 | 22 | 22 | 23 | 259 | 
                                                        
                    | Growing degree-day, °C | 522 | 529 | 489 | 473 | 450 | 410 | 462 | 478 | 524 | 526 | 547 | 548 | 5955 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 23 | 21 | 18 | 18 | 19 | 21 | 24 | 25 | 25 | 25 | 25 | 24 | 22 |