| Record high, °C | 32 | 32 | 31 | 30 | 30 | 31 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 
                                            
                    | Average high, °C | 31 | 31 | 28 | 27 | 27 | 26 | 29 | 30 | 30 | 31 | 31 | 31 | 29 | 
                                            
                    | Average temperature, °C | 28 | 28 | 27 | 26 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 
                                            
                    | Average low, °C | 24 | 24 | 23 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 
                                            
                    | Record low, °C | 21 | 18 | 20 | 17 | 17 | 17 | 17 | 17 | 21 | 22 | 21 | 22 | 17 | 
            
                                            
                    | Rain, days | 15 | 15 | 17 | 17 | 17 | 13 | 13 | 11 | 13 | 13 | 15 | 16 | 175 | 
            
                        
                                            
                    | Thunderstorms, days | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 16 | 
                                                                    
                    | Average precipitation, mm. | 141 | 124 | 132 | 90 | 92 | 49 | 56 | 60 | 88 | 86 | 113 | 132 | 1163 | 
                                                                                
                        | 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, % | 78 | 79 | 79 | 77 | 75 | 72 | 72 | 73 | 76 | 76 | 76 | 77 | 76 | 
                                                                        
                    | Wind speed, km/h | 20 | 19 | 22 | 22 | 25 | 25 | 22 | 20 | 20 | 22 | 25 | 22 | 22 | 
                                                                    
                    | 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 | 533 | 551 | 500 | 482 | 465 | 424 | 482 | 467 | 517 | 533 | 551 | 551 | 6057 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 23 | 21 | 18 | 18 | 19 | 21 | 24 | 26 | 25 | 25 | 25 | 25 | 22 |