The biggest temperature swing occurs between May and June, as typical highs shift from 22.8°C / 73°F to 27.2°C / 81°F (about 4.4°C / 8°F).
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | 8.9°C | 14.2°C | COOL |
| February | 8.6°C | 14.3°C | COOL |
| March | 9.9°C | 16.3°C | MILD |
| April | 11.9°C | 18.8°C | MILD |
| May | 15.5°C | 22.8°C | WARM |
| June | 19.7°C | 27.2°C | WARM |
| July | 22.6°C | 30.2°C | HOT |
| August | 23.2°C | 30.6°C | HOT |
| September | 20.5°C | 26.8°C | WARM |
| October | 17.4°C | 23.3°C | WARM |
| November | 13.8°C | 19.1°C | MILD |
| December | 10.6°C | 15.5°C | MILD |
August has the warmest typical feels-like highs (34.1°C / 93.4°F), while January is coolest (12°C / 53.6°F).
| Month | Low Feels Like | High Feels Like | Category |
|---|---|---|---|
| January | 6.9°C | 12°C | COOL |
| February | 6.4°C | 12.1°C | COOL |
| March | 8°C | 15.1°C | MILD |
| April | 10.7°C | 18.7°C | MILD |
| May | 15.6°C | 24.3°C | WARM |
| June | 21.3°C | 30.1°C | HOT |
| July | 25.1°C | 33.7°C | HOT |
| August | 26.2°C | 34.1°C | HOT |
| September | 22.5°C | 29°C | WARM |
| October | 18.3°C | 24.2°C | WARM |
| November | 13.1°C | 18.3°C | MILD |
| December | 8.9°C | 13.8°C | COOL |
October is wettest at 85.1 mm / 3.35 inches, while July is driest at 6.7 mm / 0.26 inches.
| Month | Baseline | Rainfall | Category |
|---|---|---|---|
| January | -24.7 mm | 74.6 mm | MODERATE |
| February | -24.7 mm | 72.4 mm | MODERATE |
| March | -24.7 mm | 71.4 mm | MODERATE |
| April | -24.7 mm | 57.4 mm | LIGHT |
| May | -24.7 mm | 40.9 mm | LIGHT |
| June | -24.7 mm | 16.9 mm | DRY |
| July | -24.7 mm | 6.7 mm | DRY |
| August | -24.7 mm | 21.1 mm | LIGHT |
| September | -24.7 mm | 63 mm | MODERATE |
| October | -24.7 mm | 85.1 mm | MODERATE |
| November | -24.7 mm | 75.7 mm | MODERATE |
| December | -24.7 mm | 76.7 mm | MODERATE |
July has the strongest peak UV (around index 8.5).
| Month | Baseline | UV Index | Category |
|---|---|---|---|
| January | 0 | 3.7 | MODERATE |
| February | 0 | 5.2 | MODERATE |
| March | 0 | 6.8 | HIGH |
| April | 0 | 7.8 | HIGH |
| May | 0 | 8.2 | VERY HIGH |
| June | 0 | 8.5 | VERY HIGH |
| July | 0 | 8.5 | VERY HIGH |
| August | 0 | 8.2 | VERY HIGH |
| September | 0 | 7.2 | HIGH |
| October | 0 | 5.9 | MODERATE |
| November | 0 | 4.3 | MODERATE |
| December | 0 | 3.2 | MODERATE |
Daylight ranges from 9.6h in December to 14.8h in June.
| Month | Baseline | Daylight Hours | Category |
|---|---|---|---|
| January | 0h | 9.9h | SHORT |
| February | 0h | 10.8h | BALANCED |
| March | 0h | 12h | BALANCED |
| April | 0h | 13.2h | LONG |
| May | 0h | 14.2h | LONG |
| June | 0h | 14.8h | LONG |
| July | 0h | 14.5h | LONG |
| August | 0h | 13.6h | LONG |
| September | 0h | 12.4h | BALANCED |
| October | 0h | 11.2h | BALANCED |
| November | 0h | 10.1h | BALANCED |
| December | 0h | 9.6h | SHORT |
January is most humid (79.1%), while July is driest (64.5%).
| Month | Baseline | Humidity (avg) | Category |
|---|---|---|---|
| January | 59.3% | 79.1% | MUGGY |
| February | 59.3% | 77.1% | MUGGY |
| March | 59.3% | 75.9% | MUGGY |
| April | 59.3% | 73.9% | HUMID |
| May | 59.3% | 72.2% | HUMID |
| June | 59.3% | 67.8% | HUMID |
| July | 59.3% | 64.5% | COMFORTABLE |
| August | 59.3% | 66.2% | HUMID |
| September | 59.3% | 72.7% | HUMID |
| October | 59.3% | 77.3% | MUGGY |
| November | 59.3% | 78.1% | MUGGY |
| December | 59.3% | 78.6% | MUGGY |
February has the strongest typical average wind (10.2 km/h / 6.3 mph), while August is calmest (7.0 km/h / 4.4 mph).
| Month | Baseline | Wind (avg) | Category |
|---|---|---|---|
| January | 5.8 km/h | 10.1 km/h | CALM |
| February | 5.8 km/h | 10.2 km/h | CALM |
| March | 5.8 km/h | 10 km/h | CALM |
| April | 5.8 km/h | 9.1 km/h | CALM |
| May | 5.8 km/h | 7.8 km/h | CALM |
| June | 5.8 km/h | 7.3 km/h | CALM |
| July | 5.8 km/h | 7.3 km/h | CALM |
| August | 5.8 km/h | 7 km/h | CALM |
| September | 5.8 km/h | 7.7 km/h | CALM |
| October | 5.8 km/h | 7.6 km/h | CALM |
| November | 5.8 km/h | 9.5 km/h | CALM |
| December | 5.8 km/h | 10.2 km/h | CALM |
January is windiest by P95 gust signal (70.6 km/h / 43.9 mph).
| Month | Baseline | Wind (gusts) | Category |
|---|---|---|---|
| January | 0 km/h | 70.6 km/h | VERY WINDY |
| February | 0 km/h | 70.2 km/h | VERY WINDY |
| March | 0 km/h | 69.1 km/h | VERY WINDY |
| April | 0 km/h | 63.7 km/h | VERY WINDY |
| May | 0 km/h | 56.5 km/h | VERY WINDY |
| June | 0 km/h | 47.5 km/h | WINDY |
| July | 0 km/h | 46.4 km/h | WINDY |
| August | 0 km/h | 45.7 km/h | WINDY |
| September | 0 km/h | 52.9 km/h | VERY WINDY |
| October | 0 km/h | 55.4 km/h | VERY WINDY |
| November | 0 km/h | 65.9 km/h | VERY WINDY |
| December | 0 km/h | 67.7 km/h | VERY WINDY |
December has the most rain days (~14.5), while July has the fewest (~3). Rain days count the average number of days in a month with measurable rain (about 0.1 mm or more).
| Month | Baseline | Rain Days | Category |
|---|---|---|---|
| January | -1.6 days | 14.3 days | FREQUENT |
| February | -1.6 days | 12.7 days | FREQUENT |
| March | -1.6 days | 13.3 days | FREQUENT |
| April | -1.6 days | 12.1 days | FREQUENT |
| May | -1.6 days | 8.7 days | SOME |
| June | -1.6 days | 5.4 days | SOME |
| July | -1.6 days | 3 days | RARE |
| August | -1.6 days | 5.2 days | SOME |
| September | -1.6 days | 11.4 days | FREQUENT |
| October | -1.6 days | 12.1 days | FREQUENT |
| November | -1.6 days | 13.7 days | FREQUENT |
| December | -1.6 days | 14.5 days | FREQUENT |
January has the most heavy rain/washout risk days (~5). Heavy rain days are the average number of days likely to bring stronger downpours that can disrupt outdoor plans.
| Month | Baseline | Heavy Rain Days | Category |
|---|---|---|---|
| January | 0 days | 5 days | FREQUENT |
| February | 0 days | 5 days | FREQUENT |
| March | 0 days | 5 days | FREQUENT |
| April | 0 days | 4 days | FREQUENT |
| May | 0 days | 2 days | OCCASIONAL |
| June | 0 days | 1 days | OCCASIONAL |
| July | 0 days | 0 days | RARE |
| August | 0 days | 1 days | OCCASIONAL |
| September | 0 days | 4 days | FREQUENT |
| October | 0 days | 4 days | FREQUENT |
| November | 0 days | 5 days | FREQUENT |
| December | 0 days | 5 days | FREQUENT |
August has the highest heat-risk day count (~7 days). Heat days are the average number of days that exceed our location-specific heat-risk threshold.
| Month | Baseline | Heat Days | Category |
|---|---|---|---|
| January | 0 days | 0 days | LOW |
| February | 0 days | 0 days | LOW |
| March | 0 days | 0 days | LOW |
| April | 0 days | 0 days | LOW |
| May | 0 days | 0 days | LOW |
| June | 0 days | 2 days | ELEVATED |
| July | 0 days | 6 days | HIGH |
| August | 0 days | 7 days | HIGH |
| September | 0 days | 2 days | ELEVATED |
| October | 0 days | 0 days | LOW |
| November | 0 days | 0 days | LOW |
| December | 0 days | 0 days | LOW |
Daylight varies from 9.6 hours in December (winter) to 14.8 hours in June (summer), which is a difference of 5.2 hours.
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
| Ranking Goal | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Lowest rain risk | Jul 0 risk days | Jun 1 risk days | Aug 1 risk days | May 2 risk days |
| Lowest heatwave risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest cold risk | May 0 risk days | Jun 0 risk days | Jul 0 risk days | Aug 0 risk days |
| Lowest wind disruption risk | Aug 46 km/h | Jul 46 km/h | Jun 48 km/h | Sep 53 km/h |
| Most comfortable evenings | Oct 83 / 100 | May 83 / 100 | Jun 80 / 100 | Sep 67 / 100 |
| Best outdoor reliability | Jun 80 / 100 | May 73 / 100 | Jul 70 / 100 | Aug 57 / 100 |
Click any month for detailed weather information and packing advice.
Get personalized month rankings based on weather comfort, outdoor activity suitability, and seasonal conditions.
View Best Time to VisitThe best months to visit Palermo depend on your preferences. For warm weather, August is typically the warmest month. For dry conditions, July, June, August tend to have the least rainfall. Consider your priorities, and whether you prefer warmer temperatures, drier weather, or longer daylight hours.
August is typically the warmest month in Palermo, with average high temperatures reaching around 31°C (88°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
February is usually the coldest month, with average low temperatures dropping to around 9°C (48°F). Pack warm layers if visiting during this time, especially for evening activities.
October typically sees the most rainfall in Palermo, averaging around 85mm (3.3 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
July is typically the driest month, with average rainfall of just 7mm (0.3 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
Temperatures in Palermo range from average lows of 15°C (59°F) to highs of 22°C (71°F). This variation means you'll want to pack differently depending on when you visit, as layers are key for adapting to the seasonal changes.
Yes, sun protection is important in Palermo. UV levels can reach 9 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.