AI-generatedCastel Gandolfo at a glance
- Best time
- Apr – Jul, Sep – Oct
- Warmest month
- Aug · 30°
- Sunshine a year
- 2,720 h
- Rain a year
- 1,187 mm
- Climate
- Mediterranean
- Time zone
- UTC+1 / UTC+2
- Elevation
- 426 m
Climate in Castel Gandolfo
Castel Gandolfo has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 30 °C, while January is the coolest at 10 °C. With around 2,720 hours of sunshine a year, Castel Gandolfo is sunny; July is the sunniest month with 10.9 hours a day.
Holiday weather through the year
Best time to visit Castel Gandolfo
The best time to visit Castel Gandolfo is from April to July and from September to October. For sightseeing, day trips and hiking, conditions are most comfortable in June and from September to October. The wettest month is November with 162 mm of precipitation.
Castel Gandolfo through the seasons
How the weather changes over the seasons, with averages for each.
Castel Gandolfo in spring
Mar – May
Good
- 14–22 °C by day
- 7.6 h of sun a day
- 39 rainy days in all
Castel Gandolfo in summer
Jun – Aug
Excellent
- 26–30 °C by day
- 10.4 h of sun a day
- 23 rainy days in all
Castel Gandolfo in autumn
Sep – Nov
Good
- 15–25 °C by day
- 6.5 h of sun a day
- 36 rainy days in all
Castel Gandolfo in winter
Dec – Feb
Poor
- 10–11 °C by day
- 5.3 h of sun a day
- 31 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Nov
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Castel Gandolfo for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: April – July, September – October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 20°
- Evening, 20:00: about 16°
- Night, 23:00: about 14°
07:2018:30
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:03–07:58 · evening 17:52–18:47
- Blue hour
- Morning 06:52–07:03 · evening 18:47–18:58
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Castel Gandolfo compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 23° at the start of the month to 18° at the end. The days get 1.3 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 23° | 18° |
| Night-time low | 12° | 9° |
| Daylight | 11.8 h | 10.5 h |
What is the weather like in Castel Gandolfo in October?
In October, Castel Gandolfo is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 11 rainy days and 122 mm in total. All in all, October is a good month for a holiday in Castel Gandolfo.
More details for October
- Daylight
- 11 h 10 min07:20 – 18:30
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 30 %50 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Castel Gandolfo
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Castel Gandolfo: score 89 against 77. In June, days are 6 °C warmer than in October. June has 2 fewer rainy days. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 77 | 89better |
| Daytime high | 20° | 26° |
| Night-time low | 11° | 15° |
| Sunshine | 6.5 h | 10.0 hbetter |
| Rainy days | 11 | 9better |
| Rainfall | 122 mm | 66 mmbetter |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Castel Gandolfo month by month
The typical weather for every month at a glance.
36January10° · 5.0 h
In January, Castel Gandolfo is cool: daytime highs average 10 °C, and nights cool down to about 2 °C. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 97 mm in total. All in all, January is not an ideal month for a holiday in Castel Gandolfo.
Castel Gandolfo in January45February11° · 6.1 h
In February, Castel Gandolfo is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 97 mm in total. All in all, February is a so-so month for a holiday in Castel Gandolfo.
Castel Gandolfo in February58March14° · 6.6 h
In March, Castel Gandolfo is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. The sun shines for around 6.6 hours a day. Rain is frequent, with about 12 rainy days and 110 mm in total. All in all, March is a so-so month for a holiday in Castel Gandolfo.
Castel Gandolfo in March74April17° · 7.4 h
In April, Castel Gandolfo is mild: daytime highs average 17 °C, and nights cool down to about 7 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 14 rainy days and 114 mm in total. All in all, April is a good month for a holiday in Castel Gandolfo.
Castel Gandolfo in April81May22° · 8.9 h
In May, Castel Gandolfo is warm: daytime highs average 22 °C, and nights cool down to about 11 °C. The sun shines for around 8.9 hours a day. Rain is frequent, with about 13 rainy days and 105 mm in total. All in all, May is an excellent month for a holiday in Castel Gandolfo.
Castel Gandolfo in May89June26° · 10.0 h
In June, Castel Gandolfo is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. With around 10.0 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 66 mm in total. On about 5 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Castel Gandolfo.
Castel Gandolfo in June79July29° · 10.9 h
In July, Castel Gandolfo is hot: daytime highs average 29 °C, and nights cool down to about 18 °C. With around 10.9 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 40 mm. On about 13 days the thermometer climbs to 30 °C or more. All in all, July is a good month for a holiday in Castel Gandolfo.
Castel Gandolfo in July71August30° · 10.3 h
In August, Castel Gandolfo is hot: daytime highs average 30 °C, and nights cool down to about 18 °C. With around 10.3 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 45 mm. On about 15 days the thermometer climbs to 30 °C or more. All in all, August is a good month for a holiday in Castel Gandolfo.
Castel Gandolfo in August80September25° · 7.9 h
In September, Castel Gandolfo is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sun shines for around 7.9 hours a day. Rain is frequent, with about 11 rainy days and 103 mm in total. All in all, September is an excellent month for a holiday in Castel Gandolfo.
Castel Gandolfo in September77October20° · 6.5 h
In October, Castel Gandolfo is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 11 rainy days and 122 mm in total. All in all, October is a good month for a holiday in Castel Gandolfo.
Castel Gandolfo in October56November15° · 5.1 h
In November, Castel Gandolfo is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. Expect around 5.1 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 162 mm in total. All in all, November is a so-so month for a holiday in Castel Gandolfo.
Castel Gandolfo in November37December11° · 4.7 h
In December, Castel Gandolfo is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 126 mm in total. All in all, December is not an ideal month for a holiday in Castel Gandolfo.
Castel Gandolfo in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Castel Gandolfo
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.
The coolest nights are in February (2°), the warmest in August (18°). Nights are pleasant for sleeping (15 to 20 °C) from June to August. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 36 | 10° | 2° | 5.0 h | 10 | 97 |
| FebruaryFeb | 45 | 11° | 2° | 6.1 h | 10 | 97 |
| MarchMar | 58 | 14° | 4° | 6.6 h | 12 | 110 |
| AprilApr | 74 | 17° | 7° | 7.4 h | 14 | 114 |
| MayMay | 81 | 22° | 11° | 8.9 h | 13 | 105 |
| JuneJun | 89 | 26° | 15° | 10.0 h | 9 | 66 |
| JulyJul | 79 | 29° | 18° | 10.9 h | 6 | 40 |
| AugustAug | 71 | 30° | 18° | 10.3 h | 8 | 45 |
| SeptemberSep | 80 | 25° | 14° | 7.9 h | 11 | 103 |
| OctoberOct | 77 | 20° | 11° | 6.5 h | 11 | 122 |
| NovemberNov | 56 | 15° | 7° | 5.1 h | 14 | 162 |
| DecemberDec | 37 | 11° | 3° | 4.7 h | 11 | 126 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
41.75° N, 12.65° E · 426 m · Europe/Rome
Sunshine hours in Castel Gandolfo
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.5 of 11.2 hours of daylight in Castel Gandolfo, 58 % of the daylight hours.
Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Castel Gandolfo: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Castel Gandolfo has about 11 rainy days with 122 mm of rain in total.
UV index in Castel Gandolfo
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 35 min
- Fair skin
- about 45 min
- Light brown skin
- about 60 min
- Olive skin
- about 80 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Castel Gandolfo
How breezy and how cloudy Castel Gandolfo is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Castel Gandolfo typically peaks at 9 km/h during the day: Beaufort 2, light breeze or less.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 52 % of the sky over Castel Gandolfo: variable cloud, with about 6.5 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Castel Gandolfo
How often the day gets hot in Castel Gandolfo (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Castel Gandolfo has about 0 hot days, with an average daytime high of 20 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Castel Gandolfo
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Castel Gandolfo in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Castel Gandolfo has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 37).
- 69
Easter holidays
Mar – Apr
Good
- 16 °C by day
- 7.2 h of sun a day
- 13 rainy days a month
- 83
May half-term
May – Jun
ExcellentBest holidays
- 23 °C by day
- 9.1 h of sun a day
- 12 rainy days a month
- 74
Summer holidays
Jul – Aug
Good
- 30 °C by day
- 10.5 h of sun a day
- 7 rainy days a month
- 77
October half-term
Oct
Good
- 20 °C by day
- 6.5 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 37
Christmas holidays
Dec – Jan
Poor
- 11 °C by day
- 4.9 h of sun a day
- 11 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 15 min
- Distance
- 1,470 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Castel Gandolfo compared
Put Castel Gandolfo side by side with another destination.
Castel Gandolfo vs Rome
In October the holiday weather in Castel Gandolfo and Rome is about equally good (score 77 vs 78). During the day Rome is 3 °C warmer than Castel Gandolfo.
| in October | Castel Gandolfo | Rome |
|---|---|---|
| Holiday weather score | 77 | 78 |
| Daytime high | 20° | 23° |
| Sunshine | 7 h | 7 h |
| Rainy days | 11 | 11 |
| Best time | Apr – Jul, Sep – Oct | Apr – Jun, Sep – Oct |
Through the year
Italy in October: the best places
In October, Castel Gandolfo ranks 5 among the 31 nearest destinations in this country.
- Ponza22°81
- 2Grosseto23°79
- 3Ascoli Piceno20°78
- 4Naples24°22°78
- 5Castel GandolfoThis page20°77
- 6Rome23°77
- 7Viterbo21°77
- 8Assisi19°77
Near Castel Gandolfo
Other destinations close by.
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Destinations whose weather through the year is closest to Castel Gandolfo's – good alternatives.
Frequently asked questions about Castel Gandolfo
When is the best time to visit Castel Gandolfo?
The best time to visit Castel Gandolfo is from April to July and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Castel Gandolfo?
August is the warmest month, with average highs of 30 °C and nights around 18 °C. January is the coolest month at 10 °C.
When does it rain most in Castel Gandolfo?
The wettest month is November with 162 mm of precipitation. The driest month is July with 40 mm.
How many hours of sunshine does Castel Gandolfo get?
Castel Gandolfo gets around 2,720 hours of sunshine a year. The sunniest month is July with 10.9 hours a day; in December there are 4.7 hours a day.
What time zone is Castel Gandolfo in?
Castel Gandolfo is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Castel Gandolfo?
A nonstop flight from London to Castel Gandolfo takes about 2 h 15 min, for a straight-line distance of about 1,470 km.
Which school holidays are best for Castel Gandolfo?
Castel Gandolfo has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 37). Holiday ratings (0–100): Easter holidays 69, May half-term 83, summer holidays 74, October half-term 77, Christmas holidays 37.