| Record high, °C | 36 | 36 | 33 | 32 | 32 | 35 | 35 | 33 | 35 | 33 | 32 | 33 | 36 | 
                                            
                    | Average high, °C | 31 | 31 | 31 | 30 | 30 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 
                                            
                    | Average temperature, °C | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 
                                            
                    | Average low, °C | 23 | 23 | 23 | 22 | 21 | 21 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 
                                            
                    | Record low, °C | 20 | 20 | 18 | 17 | 16 | 17 | 17 | 17 | 20 | 20 | 20 | 21 | 16 | 
            
                                            
                    | Rain, days | 14 | 16 | 16 | 12 | 10 | 6 | 5 | 6 | 9 | 16 | 17 | 15 | 142 | 
            
                                                        
                    | Fog, days | 1 | 2 | 2 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 2 | 1 | 17 | 
            
                                            
                    | Thunderstorms, days | 7 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 5 | 6 | 32 | 
                                                                    
                    | Average precipitation, mm. | 230 | 210 | 170 | 120 | 80 | 20 | 20 | 40 | 100 | 220 | 270 | 280 | 1760 | 
                                                                                
                        | Relative humidity, % | 85 | 85 | 90 | 85 | 85 | 80 | 75 | 80 | 80 | 85 | 85 | 85 | 83 | 
                                                                                    
                        | Relative humidity morning, % | 95 | 95 | 96 | 95 | 94 | 93 | 91 | 91 | 93 | 94 | 95 | 96 | 94 | 
                                                                                    
                        | Relative humidity evening, % | 76 | 78 | 79 | 76 | 70 | 67 | 64 | 65 | 70 | 75 | 75 | 76 | 73 | 
                                                                        
                    | Wind speed, km/h | 12 | 12 | 12 | 12 | 14 | 16 | 16 | 16 | 14 | 14 | 14 | 12 | 14 | 
                                                                    
                    | Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 
                                                        
                    | Dew point, °C | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 267 | 
                                                        
                    | Growing degree-day, °C | 516 | 533 | 483 | 527 | 499 | 472 | 552 | 534 | 552 | 516 | 533 | 533 | 6250 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 22 | 21 | 19 | 19 | 20 | 23 | 25 | 25 | 24 | 21 | 23 | 23 | 22 |