| Record high, °C | 34 | 35 | 35 | 34 | 35 | 36 | 37 | 37 | 36 | 35 | 36 | 34 | 37 | 
                                            
                    | Average high, °C | 30 | 29 | 30 | 30 | 31 | 32 | 32 | 32 | 31 | 30 | 30 | 30 | 31 | 
                                            
                    | Average temperature, °C | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 
                                            
                    | Average low, °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 
                                            
                    | Record low, °C | 20 | 20 | 20 | 18 | 17 | 18 | 20 | 18 | 20 | 20 | 21 | 20 | 17 | 
            
                                            
                    | Rain, days | 18 | 22 | 20 | 14 | 6 | 2 | 2 | 7 | 18 | 19 | 18 | 19 | 165 | 
            
                                                        
                    | Fog, days | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 12 | 
            
                                            
                    | Thunderstorms, days | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 
                                                                    
                    | Average precipitation, mm. | 180 | 260 | 220 | 130 | 30 | 10 | 10 | 80 | 200 | 190 | 180 | 190 | 1680 | 
                                                                                
                        | Relative humidity, % | 89 | 90 | 90 | 88 | 86 | 85 | 84 | 85 | 88 | 89 | 89 | 122 | 90 | 
                                                                                    
                        | Relative humidity morning, % | 87 | 88 | 85 | 83 | 81 | 79 | 79 | 81 | 85 | 87 | 86 | 86 | 84 | 
                                                                                    
                        | Relative humidity evening, % | 84 | 85 | 82 | 80 | 77 | 75 | 73 | 74 | 80 | 84 | 83 | 84 | 80 | 
                                                                        
                    | Wind speed, km/h | 4 | 4 | 8 | 6 | 12 | 12 | 9 | 6 | 4 | 6 | 4 | 4 | 7 | 
                                                        
                    | Monthly sunshine, часов | 113 | 114 | 127 | 171 | 212 | 204 | 211 | 180 | 128 | 97 | 111 | 112 | 1779 | 
                                                        
                    | Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 
                                                        
                    | Dew point, °C | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 267 | 
                                                        
                    | Growing degree-day, °C | 508 | 517 | 508 | 534 | 543 | 510 | 568 | 558 | 551 | 517 | 543 | 534 | 6391 | 
                                                                    
                    | Solar radiation, global, Mj/m2 | 17 | 16 | 14 | 16 | 19 | 21 | 22 | 21 | 17 | 16 | 15 | 16 | 18 |