Palermo is at its most pleasant from late April to mid June, and again from mid September to early November. For sun, aim for late June to mid September; for walking, go from late January to May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from late June to mid September. It peaks in late July, at 71. The weakest stretch is from November to early May, when it drops to 0, mostly because it is too cool. The clearest skies come in July, when the sky is typically 24% covered at midday (mostly clear).
For being outside, go from late April to mid June, with a second spell from mid September to early November. It peaks in late May, at 86. Avoid mid January to mid February for this: it falls to 5, mostly because it is too cold.
The walking season here runs from late January to May, with a second spell from October to early January. It peaks in late April, at 85. The weakest stretch is from late July to mid August, when it drops to 8, mostly because it is too warm.
The year, measured
The average temperature in Palermo over the whole year is 17°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in Palermo runs from September to January, peaking in September with a 29% chance of rain on a given day. The dry season is February to August; July is the driest month, at 6%. Winds in Palermo are highest in January, averaging 4.3 m/s (15 km/h), and lightest in September, at 2.5 m/s (9 km/h). The prevailing wind is from the NW. The clearest skies in Palermo come in July, when the sky is typically 20% covered; January is the cloudiest month, at 53%.
Month by month Palermo climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 11°C | 9°C | 7°C | 21% | 53% | 4.3 m/s | 8 | 0 | 54 |
| February | 12°C | 9°C | 8°C | 17% | 49% | 4.1 m/s | 9 | 0 | 63 |
| March | 13°C | 10°C | 9°C | 17% | 48% | 4.1 m/s | 18 | 0 | 68 |
| April | 16°C | 12°C | 13°C | 12% | 43% | 3.6 m/s | 44 | 1 | 82 |
| May | 20°C | 16°C | 18°C | 12% | 40% | 3.2 m/s | 75 | 6 | 79 |
| June | 26°C | 21°C | 25°C | 10% | 31% | 3.1 m/s | 70 | 52 | 34 |
| July | 28°C | 23°C | 28°C | 6% | 20% | 3.3 m/s | 40 | 70 | 13 |
| August | 28°C | 23°C | 29°C | 9% | 26% | 3.0 m/s | 37 | 69 | 11 |
| September | 25°C | 20°C | 25°C | 29% | 41% | 2.5 m/s | 62 | 50 | 33 |
| October | 21°C | 17°C | 20°C | 18% | 43% | 3.5 m/s | 76 | 21 | 64 |
| November | 16°C | 13°C | 14°C | 26% | 52% | 4.1 m/s | 49 | 2 | 75 |
| December | 13°C | 10°C | 9°C | 19% | 51% | 4.3 m/s | 20 | 0 | 62 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Palermo weather by season
Year round, Palermo has days of about 11°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from 9°C to 23°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around September and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Palermo weather in winterDecember to February
Winter in Palermo has typical daily highs of about 12°C and lows of about 9°C, with a 19% chance of rain on a given day.
Palermo weather in springMarch to May
Spring in Palermo has typical daily highs of about 16°C and lows of about 12°C, with a 14% chance of rain on a given day.
Palermo weather in summerJune to August
Summer in Palermo has typical daily highs of about 27°C and lows of about 22°C, with a 8% chance of rain on a given day.
Palermo weather in autumnSeptember to November
Autumn in Palermo has typical daily highs of about 21°C and lows of about 17°C, with a 24% chance of rain on a given day.
When is the rainy season in Palermo?
The rainy (wet) season in Palermo runs from September to January, peaking in September with a 29% chance of rain on a given day. The dry season is February to August; July is the driest month, at 6%.
What time of year is Palermo windiest?
Winds in Palermo are highest in January, averaging 4.3 m/s (15 km/h), and lightest in September, at 2.5 m/s (9 km/h). The prevailing wind is from the NW.
What is the average temperature in Palermo year round?
The average temperature in Palermo over the whole year is 17°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 9°C.
Where to go instead in mid January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.