Common information
CountryIsrael
Population220 492
Weather, climate, temperature by months in Rishon LeZiyyon
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 42 | 40 | 36 | 31 | 30 | 30 | 35 | 41 | 44 | 42 | 39 | 37 | 44 |
| Average high, °C | 30 | 28 | 24 | 20 | 18 | 18 | 20 | 25 | 27 | 29 | 31 | 31 | 25 |
| Average temperature, °C | 24 | 22 | 18 | 13 | 12 | 12 | 14 | 18 | 21 | 23 | 25 | 26 | 19 |
| Average low, °C | 19 | 16 | 12 | 9 | 7 | 7 | 9 | 12 | 15 | 18 | 21 | 21 | 14 |
| Record low, °C | 11 | 7 | 3 | -0 | -1 | -2 | -0 | 3 | 7 | 12 | 14 | 15 | -2 |
| Rain, days | 0 | 3 | 7 | 11 | 13 | 11 | 9 | 3 | 1 | 0 | 0 | 0 | 59 |
| Fog, days | 19 | 17 | 13 | 15 | 14 | 15 | 21 | 22 | 25 | 25 | 28 | 27 | 241 |
| Thunderstorms, days | 0 | 1 | 3 | 3 | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 19 |
| Average precipitation, mm. | 0 | 20 | 76 | 130 | 141 | 97 | 66 | 18 | 2 | 0 | 0 | 0 | 551 |
| Relative humidity, % | 70 | 65 | 65 | 70 | 75 | 75 | 70 | 65 | 65 | 65 | 70 | 70 | 69 |
| Relative humidity morning, % | 67 | 68 | 72 | 80 | 82 | 80 | 74 | 66 | 64 | 65 | 68 | 70 | 71 |
| Relative humidity evening, % | 52 | 50 | 49 | 54 | 56 | 54 | 53 | 47 | 49 | 52 | 54 | 55 | 52 |
| Wind speed, km/h | 6 | 6 | 8 | 16 | 9 | 8 | 17 | 16 | 16 | 16 | 16 | 16 | 13 |
| Day Length, часов | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 13 |
| Dew point, °C | 18 | 15 | 10 | 8 | 6 | 7 | 8 | 10 | 13 | 16 | 19 | 20 | 150 |
| Growing degree-day, °C | 447 | 376 | 238 | 129 | 78 | 74 | 138 | 240 | 335 | 407 | 487 | 503 | 3451 |
| Solar radiation, global, Mj/m2 | 21 | 16 | 11 | 9 | 10 | 12 | 17 | 22 | 26 | 28 | 27 | 25 | 19 |