| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.1° | — | 77.1mm | 11 | 43 |
| February | 9.3° | — | 77.1mm | 9.5 | 47 |
| March | 11.4° | 6.2° | 69.1mm | 10 | 52 |
| April | 15.3° | 8° | 40.6mm | 6.7 | 72 |
| May | 20.4° | 12.8° | 27mm | 5.8 | 88 |
| June | 26.4° | 18.2° | 24.8mm | 3.4 | 93 |
| July | 29.7° | 20.8° | 9.1mm | 1.3 | 87 |
| August | 29.6° | 21.2° | 19.4mm | 2.3 | 85 |
| September | 24.3° | 15.9° | 36mm | 5.2 | 90 |
| October | 19.9° | 12.1° | 58.1mm | 8.4 | 83 |
| November | 13.9° | 9.5° | 66.6mm | 10.2 | 60 |
| December | 10.4° | — | 52.4mm | 8.6 | 52 |
January in Caltanissetta averages a daily high of 9.1°C. Expect roughly 11 wet days totalling 77.1mm. Demanding conditions — pack for it and plan indoor options.
February in Caltanissetta averages a daily high of 9.3°C. Expect roughly 9.5 wet days totalling 77.1mm. Demanding conditions — pack for it and plan indoor options.
March in Caltanissetta averages a daily high of 11.4°C with nights around 6.2°C. Expect roughly 10 wet days totalling 69.1mm. Demanding conditions — pack for it and plan indoor options.
April in Caltanissetta averages a daily high of 15.3°C with nights around 8°C. Expect roughly 6.7 wet days totalling 40.6mm. Generally workable, with some weather to plan around.
May in Caltanissetta averages a daily high of 20.4°C with nights around 12.8°C. Expect roughly 5.8 wet days totalling 27mm. Comfortable conditions for being outdoors all day.
June in Caltanissetta averages a daily high of 26.4°C with nights around 18.2°C. Expect roughly 3.4 wet days totalling 24.8mm. Comfortable conditions for being outdoors all day.
July in Caltanissetta averages a daily high of 29.7°C with nights around 20.8°C. Rain is rare — about 1.3 wet days and 9.1mm across the month. Comfortable conditions for being outdoors all day.
August in Caltanissetta averages a daily high of 29.6°C with nights around 21.2°C. Rain is rare — about 2.3 wet days and 19.4mm across the month. Comfortable conditions for being outdoors all day.
September in Caltanissetta averages a daily high of 24.3°C with nights around 15.9°C. Expect roughly 5.2 wet days totalling 36mm. Comfortable conditions for being outdoors all day.
October in Caltanissetta averages a daily high of 19.9°C with nights around 12.1°C. Expect roughly 8.4 wet days totalling 58.1mm. Comfortable conditions for being outdoors all day.
November in Caltanissetta averages a daily high of 13.9°C with nights around 9.5°C. Expect roughly 10.2 wet days totalling 66.6mm. Generally workable, with some weather to plan around.
December in Caltanissetta averages a daily high of 10.4°C. Expect roughly 8.6 wet days totalling 52.4mm. Demanding conditions — pack for it and plan indoor options.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Caltanissetta peaks at 93.
Based on 30 years of records, May–September scores highest for comfort in Caltanissetta, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.7°C.
January is the wettest, averaging 77.1mm of rain across roughly 11 wet days.
January is the coolest month, with average daily highs around 9.1°C.