Climate and monthly weather forecastPalermo, Italy
Climate and monthly weather forecast
The climate of Palermo
Noted for its Mediterranean climate with hot summers, the weather in Palermo, Italy, is classified under the Köppen climate classification as Csa. Geographically, situated in the southern part of Italy, the city is on the island of Sicily's northwest coast.Throughout the year, climatological patterns in Palermo show a well-defined shift from cooler to warmer temperatures, accompanied by variable humidity levels and inconsistent rain patterns. An examination of the monthly averages reveals the temperature reaching a peak of 29.8°C (85.6°F) in August and lowering to 6.8°C (44.2°F) in February. The coastal city sees humidity levels drop to 59% in July while rising to 79% in January.
Monthly rainfall displays an irregular pattern, rising from 5mm (0.2") in July to 57mm (2.24") in September and October - the months with the highest humidity levels. Interestingly, December witnesses an unusual anomaly in the otherwise dry winter season with a snowfall of 1mm (0.04"), albeit a rarity in a Mediterranean climatic zone like Palermo. In general, there is a trend of decreasing cloudiness from 40% in January, reaching a minimum in July and August at 7%, before ascending again.
The best time to visit Palermo
Based on weather parameters, the optimal time to consider for a visit to Palermo would be from April through June. During this period, visitors can expect average temperatures ranging from 14.8°C (58.6°F) to 20.9°C (69.6°F), making it a pleasantly warm climate for leisure activities and sightseeing. These months also see sunlight reaching its highest levels for the year, with daylight extending from 12 hours in March to a high of 14.2 hours in May. Furthermore, relative humidity during this period is considerably lower than the rest of the year, which enhances the overall comfort for tourists.The worst time to visit Palermo
The months from November through February prove to be less ideal for visiting Palermo due to the relatively lower temperatures and higher rainfall. Average temperatures during this time range from 12.5°C (54.5°F) to 7.3°C (45.1°F), and the city experiences its peak rainfall of 45mm (1.77") in February. The shorter days, increased cloud cover, and the relative increase in wind speed, peaking at 13.9km/h (8.6mph) in February, might make sightseeing and outdoor activities less enjoyable.Spring weather in Palermo
Spring in Palermo unfolds from March through May. Temperatures during these months steadily rise from an average of 7.8°C (46°F) to 12.8°C (55°F). A noticeable decrease in rainfall accompanies warmer temperatures, dropping from 35mm (1.38") in March to a mere 21mm (0.83") by May. In the meantime, the relative humidity also follows a declining trend from 77% to 72%.Summer weather in Palermo
Typical of a Mediterranean climate, summers in Palermo are quite warm. With temperatures soaring to a peak average of 29.8°C (85.6°F) in August, this season extends from June to September. Rainfall is at its lowest during these months, dropping to a minimal 5mm (0.2") in July. Despite searing summer temperatures, the coastal city provides relief with relatively less humidity that varies marginally from 64% to 68%.Autumn weather in Palermo
Autumn arrives in Palermo in October and lasts until December. During this season, the city experiences a drop in average temperatures from 21.8°C (71.2°F) to 13.9°C (57°F). Rainfall marks a significant rise during this period, from 57mm (2.24") in October to a sizable 39mm (1.54") in November. In contrast, relative humidity also witnesses an increase, peaking at 77% in November.Winter weather in Palermo
Winter in Palermo, spanning from January to February, exhibits relatively cool temperatures, with averages ranging from 7.3°C (45.1°F) to 6.8°C (44.2°F). Although the presence of snow is almost negligible during this season, the city sees its peak rainfall of 45mm (1.77") in February. These months are also marked by the highest average relative humidity of 79% and 78% respectively, possibly leading to a slightly damp atmosphere.Weather in January
As the calendar turns to January, Palermo, Italy welcomes mild winter weather conditions. The daytime sees high temperatures dipping modestly to 12.6°C (54.7°F), while night times can be moderately cooler at 7.3°C (45.1°F). Weather in January »Weather in February
Compared to January, February has subtle shifts in Palermo's weather patterns. The lowest temperatures marginally decrease to 6.8°C (44.2°F), while sea temperature touches 14.3°C (57.7°F), urging residents to keep their swimwear at bay. Weather in February »Weather in March
The weather in March marks the onset of spring in Palermo. As expected during such transitional periods, the weather sees gradual shifts from the winter chills. Sea temperature begins to warm up, reaching 14.7°C (58.5°F), hinting at the promising beach season approaching. Weather in March »Weather in April
April's weather in Palermo indicates the deepening of spring, with palpable changes from March. The city starts to warm up, with high temperatures increasing to 17.6°C (63.7°F) on average. Sunshine hours jump to 10.2, affirming the progressive increase in day length towards the summer solstice. Weather in April »Weather in May
May brings significant alterations to Palermo's weather, manifesting in conspicuous signs of early summer. Daylight stretches to 14.2 hours with high temperatures soaring to 20.9°C (69.6°F), making outdoor activities delightful. The drop in relative humidity to 72% offers a more comfortable environment, alleged by decreasing cloud cover to 20%. Weather in May »Weather in June
June sets a distinct summer vibe within the weather landscape of Palermo, building upon the alterations initiated in May. A substantial rise in high temperatures to 25.7°C (78.3°F), accompanied by minimal rainfall of 8mm (0.31") and longest daylight hours of 14.8, fortifies the summer spirit. Weather in June »Weather in July
July records the zenith of summer weather in Palermo. There is a significant leap in the average high temperatures, peaking at 29.2°C (84.6°F), coupled with an escalation of sea temperature to 25.8°C (78.4°F) - the perfect settings for sunbathing and swimming. Weather in July »Weather in August
CPalermo’s weather in August mirrors that of July, maintaining the typical summer climate. Even if temperatures slightly increase to 29.8°C (85.6°F), sea temperature also sees a minor hike to 26.3°C (79.3°F), ensuring the continuity of beach activities. Weather in August »Weather in September
The arrival of September indicates the commencement of shoulder season in Palermo's weather dynamics. While still pretty warm with high temperatures averaging 25.5°C (77.9°F), rainfall increases markedly to 57mm (2.24"), signalling autumn's advent. Weather in September »Weather in October
October furthers the change towards autumn weather conditions. Daylight hours reduce further to 11.2, hinting at the shortening of days towards the winter solstice. Rainfall records an increase to 57mm (2.24") while the high temperatures decline to 21.8°, offering a cooler yet comfortable environment. Weather in October »Weather in November
November in Palermo brings deeper changes with early winter effects noticeable in the weather. A clear drop in high temperatures to 17.6°C (63.7°F) along with a decrease in sea temperature to 19.9°C (67.8°F) suggest a tighter embrace of fall. Weather in November »Weather in December
By the time December rolls in, Palermo's weather has transitioned to a full-fledged winter pattern. The city experiences the lowest sea temperature of 16.7°C (62.1°F) for the year and possible traces of snowfall, indicative of the winter onset. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the most humid month in Palermo, with an average relative humidity of 79%.
Throughout the year, in Palermo, Italy, there are 121.2 rainfall days, and 381mm (15") of precipitation is accumulated.
January and December are months with snowfall.
The month with the most snowfall in Palermo, Italy, is January, when snow falls for 0.1 days and typically aggregates up to 2mm (0.08") of snow.
In Palermo, during the entire year, snow falls for 0.2 days and aggregates up to 3mm (0.12") of snow.
The month with the least sunshine in Palermo, Italy, is January, with an average of 5.7h of sunshine.
The months with the lowest UV index in Palermo are January, February and December, with an average maximum UV index of 3.
Palermo's coldest month, February, registers temperatures that range from a high of 12.5°C (54.5°F) to a low of 6.8°C (44.2°F).
In Palermo, snow does not fall in February through November.
February is the month with the coldest seawater in Palermo, with an average sea temperature of 14.3°C (57.7°F).
With an average of 14h and 48min of daylight, June has the longest days of the year in Palermo.
June and July, with an average of 12.1h of sunshine, are months with the most sunshine.
With an average relative humidity of 59%, July is the least humid month in Palermo.
The month with the least rainfall in Palermo is July, when the rain falls for 3.3 days and typically collects 5mm (0.2") of precipitation.
The months with the highest UV index are July and August, with an average maximum UV index of 7.
Palermo, Italy, experiences its average highest temperatures in August, reaching a peak of 29.8°C (85.6°F) and a minimum of 22°C (71.6°F).
The month with the warmest seawater is August, with an average sea temperature of 26.3°C (79.3°F).
The wettest months in Palermo are September and October, with an average 57mm (2.24") of rainfall.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Palermo, Italy, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Palermo, Italy
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is February (12.5°C).
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure
Palermo, Italy
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.1mbar - Average pressure in March:
1015mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1014.8mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1014.5mbar - Average pressure in September:
1015.6mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1015.3mbar - Average pressure in December:
1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed
Palermo, Italy
- Average wind speed in January:
13.7km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
12.8km/h - Average wind speed in April:
10.6km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
8.9km/h
- Average wind speed in July:
8.5km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
8.9km/h - Average wind speed in October:
9.7km/h - Average wind speed in November:
11.7km/h - Average wind speed in December:
13.3km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity
Palermo, Italy
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (59%).
Average rainfall
Palermo, Italy
The wettest months (with the highest rainfall) are September and October (57mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days
Palermo, Italy
- Average rainfall days in January:
13.6 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
7.6 days - Average rainfall days in June:
4.9 days
- Average rainfall days in July:
3.3 days - Average rainfall days in August:
4.9 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is January (13.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall
Palermo, Italy
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Palermo, Italy
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Palermo, Italy
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).
Average daylight / Average sunshine
Palermo, Italy
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
5h and 48min - Average sunshine in March:
8h and 6min - Average sunshine in April:
10h and 12min - Average sunshine in May:
11h and 12min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 54min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 12min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days
Palermo, Italy
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
21.6 days - Average sunshine days in June:
23 days
- Average sunshine days in July:
26.6 days - Average sunshine days in August:
25 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index
Palermo, Italy
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Palermo, Italy
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility
Palermo, Italy
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
