Catania is warmest in July, averaging 36° by day and 21° at night. The wettest month is November with 75 mm, and the year brings about 397 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 14° | 5° | 31 mm | 15° | 9.7 h | Mild |
| February | 16° | 5° | 31 mm | 15° | 10.6 h | Mild |
| March | 17° | 7° | 43 mm | 15° | 11.7 h | Sightseeing |
| April | 20° | 9° | 18 mm | 16° | 13.0 h | Sightseeing |
| May | 26° | 12° | 43 mm | 19° | 14.0 h | Beach weather |
| June | 32° | 17° | 6 mm | 23° | 14.6 h | Beach weather |
| July | 36° | 21° | 3 mm | 26° | 14.3 h | Very hot |
| August | 35° | 21° | 12 mm | 27° | 13.4 h | Beach weather |
| September | 30° | 18° | 39 mm | 26° | 12.2 h | Beach weather |
| October | 25° | 15° | 59 mm | 23° | 11.0 h | Beach weather |
| November | 20° | 11° | 75 mm | 20° | 9.9 h | Sightseeing |
| December | 16° | 7° | 37 mm | 17° | 9.4 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: May, June, August, September and October — highs around 30°, nights no colder than 12°, and at most 59 mm of rain in a month. The sea sits at 19–27° then.
Walking the city: March, April and November — highs of 17–20° and no more than 75 mm of rain a month.
Serious heat: In July the average high reaches 36°.