Monthly climate in Castel Gandolfo, Lazio, Italy

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Castel Gandolfo features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 7 °C (44 °F) and 26 °C (79 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1101 mm (43.3 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Castel Gandolfo enjoys an average of 3929 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 8 minutes per day.

Monthly average temperatures in Castel Gandolfo, Lazio, Italy §

The warmest months in Castel Gandolfo are June, July and August, with daily mean temperatures ranging from 22 to 26 °C (72 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 48 °F) throughout the day. On average each year, Castel Gandolfo experiences 96 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Castel Gandolfo, Lazio, Italy.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(64°F)
20°C
(68°F)
22°C
(72°F)
27°C
(80°F)
33°C
(92°F)
34°C
(94°F)
36°C
(96°F)
37°C
(99°F)
32°C
(90°F)
28°C
(83°F)
23°C
(73°F)
18°C
(64°F)
Mean maximum 15°C
(60°F)
17°C
(64°F)
21°C
(69°F)
23°C
(73°F)
28°C
(82°F)
31°C
(88°F)
34°C
(94°F)
36°C
(96°F)
30°C
(87°F)
25°C
(78°F)
21°C
(70°F)
17°C
(62°F)
Average high 11°C
(52°F)
13°C
(56°F)
15°C
(59°F)
18°C
(65°F)
22°C
(72°F)
27°C
(81°F)
30°C
(87°F)
31°C
(88°F)
26°C
(79°F)
21°C
(70°F)
16°C
(62°F)
13°C
(55°F)
Daily mean 7°C
(44°F)
9°C
(48°F)
10°C
(51°F)
13°C
(56°F)
18°C
(64°F)
22°C
(72°F)
25°C
(78°F)
26°C
(79°F)
21°C
(70°F)
16°C
(62°F)
13°C
(55°F)
8°C
(47°F)
Average low 3°C
(37°F)
5°C
(41°F)
6°C
(42°F)
9°C
(48°F)
13°C
(55°F)
17°C
(63°F)
20°C
(68°F)
21°C
(69°F)
17°C
(62°F)
12°C
(54°F)
9°C
(49°F)
5°C
(41°F)
Mean minimum -2°C
(29°F)
-2°C
(28°F)
-1°C
(30°F)
3°C
(37°F)
8°C
(46°F)
13°C
(56°F)
17°C
(63°F)
16°C
(62°F)
11°C
(52°F)
8°C
(46°F)
3°C
(38°F)
-0°C
(32°F)
Minimum -6°C
(21°F)
-12°C
(11°F)
-11°C
(12°F)
0°C
(33°F)
4°C
(40°F)
10°C
(50°F)
16°C
(61°F)
15°C
(59°F)
8°C
(47°F)
6°C
(44°F)
-1°C
(31°F)
-3°C
(28°F)

Compare climate in Castel Gandolfo with other places

Compare temperature, precipitation, sunshine, UV index in Castel Gandolfo, Lazio, Italy with other places around the world.

Monthly average precipitation in Castel Gandolfo, Lazio, Italy §

Castel Gandolfo usually has the most precipitation in October, November and December, with an average of 13 rainy days and 156 mm (6.1 inches) of precipitation per month.The driest months in Castel Gandolfo are June, July and August. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castel Gandolfo, Lazio, Italy.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 73 (2.9) 92 (3.6) 94 (3.7) 75 (2.9) 89 (3.5) 47 (1.9) 31 (1.2) 28 (1.1) 106 (4.2) 106 (4.2) 191 (7.5) 170 (6.7)
Average precipitation days (≥ 1 mm) 9 9 10 11 12 7 4 7 10 10 16 13

Monthly sunshine hours in Castel Gandolfo, Lazio, Italy §

The sunniest months in Castel Gandolfo are May, June and July, when the sun shines an average of 13 hours 32 minutes a day.Least sunny months in Castel Gandolfo: January, November and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castel Gandolfo, Lazio, Italy.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 201 260 327 355 399 415 429 398 337 314 245 244
Mean daily daylight hours 9h 31m 10h 35m 11h 57m 13h 21m 14h 32m 15h 8m 14h 49m 13h 46m 12h 26m 11h 2m 9h 49m 9h 11m

Solar UV radiation in Castel Gandolfo, Lazio, Italy §

Castel Gandolfo experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Castel Gandolfo UV Index data.

Average daily maximum UV levels by month for Castel Gandolfo, Lazio, Italy.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 5 7 9 10 10 9 8 6 4 2