Climate in Ponza (Lazio)

The climate of Ponza is Mediterranean, with mild, rainy winters and warm, sunny summers.
Ponza is the largest of the Pontine Islands, an archipelago south of the Lazio region, also formed by the islands of Palmarola, Zannone, Gavi, Ventotene, and Santo Stefano.
The interior of the island is occupied by low hills, which reach 280 meters (920 feet). The weather station is located in Campo Inglese, 185 meters (600 ft) above sea leve. Here, the average temperature of the coldest month (February) is of 10.5 °C (51 °F), that of the warmest month (August) is of 26 °C (79 °F). As you can see, the minimum temperatures are high, as is typical of small islands, where the influence of the sea is greater.

Precipitation amounts to 665 millimeters (26.2 inches) per year.



Winter, from December to February, is mild, and is characterized by sunny periods alternating with rainy periods.
It rarely gets very cold, although there can sometimes be cold, windy, and rainy days, with highs around 6/7 °C (43/45 °F).
Occasionally, it may even snow. Short snowfalls, especially in the upper part of the island, are not so rare, while it is more difficult to see the snow whiten the beaches. In recent decades, snow with accumulation has occurred in January 1993, in January 1999, when the snow reached 20 cm (8 inches), and in late February 2018.
The temperature very rarely drops below freezing, and it does so only after cold waves with moderate or strong north wind, because as soon as the wind stops, the mild influence of the sea returns. The temperature dropped to -0.6 °C (30.9 °F) in February 1956, to -2 °C (28.5 °F) in January 1962, to -2.6 °C (27.3 °F) in March 1971 (record), to -0.5 °C (31 °F) in March 1987, and to -1 °C (30 °F) in February 2018.

Summer, from June to August, is hot and sunny, with very rare rains.
Generally, the temperatures are not too high and the breeze blows, however, there can be hot and muggy periods. The torrid heat of African origin, on the other hand, rarely arrives, however, in the hottest periods, which are gradually becoming more frequent, the temperature generally reaches 34/35 °C (93/95 °F). The highest record is 37 °C (98.6 °F) and was set in July 1983.

The sea temperature ranges between 14 °C (57 °F) and 26 °C (79 °F). The sea is warm enough for swimming from July to September.

Best Time

The best time to visit Ponza for a beach holiday is the summer, from June to August. The sea temperature is comfortable enough from July to September, although in September, which in any case is still a good month (especially in the first half), the first periods of bad weather can occur.

Ponza - Climate data

In Ponza, the average temperature of the coldest month (February) is of 10.6 °C (51 °F), that of the warmest month (August) is of 25.8 °C (78.4 °F). Here are the average temperatures.
Precipitation amounts to 665 millimeters (26.2 inches) per year: so, it is at an intermediate level. It ranges from 5 mm (0.2 in) in the driest month (July) to 120 mm (4.7 in) in the wettest one (November). Here is the average precipitation.
The sea temperature ranges from 14.5 °C (58 °F) in February, March to
There are on average around 2605 sunshine hours per year. Here are the average hours of sunshine per day.

Ponza - Weather by month

Based on the period 1991-2020

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January is generally a mild month. The average temperature is of 10.9 °C (52 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 12.4 °C (54.3 °F).
On the coldest nights of the month, the temperature usually drops to around 5 °C (41 °F). However, it dropped to 0 °C (32 °F) in January 1993.
On the warmest days of the month, the temperature usually reaches around 15 °C (59.5 °F). However, it reached 17.4 °C (63.3 °F) in January 2001.
Precipitation amounts to 80 mm (3.1 in), distributed over 8 days.
The day lasts on average 9 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 20 kph (12 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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February, the coldest month of the year, is generally a mild month. The average temperature is of 10.6 °C (51 °F), with a minimum of 8.8 °C (47.8 °F) and a maximum of 12.3 °C (54.2 °F).
On the coldest nights of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to -1 °C (30.2 °F) in February 2018.
On the warmest days of the month, the temperature usually reaches around 16 °C (60.5 °F). However, it reached 17.5 °C (63.5 °F) in February 2016.
Precipitation amounts to 70 mm (2.8 in), distributed over 7 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).
The average sea temperature is of 14.5 °C (57.5 °F). Therefore, the sea is very cold for swimming.

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March is generally a mild month. The average temperature is of 12.1 °C (54 °F), with a minimum of 10.1 °C (50.1 °F) and a maximum of 14 °C (57.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 5.5 °C (41.5 °F). However, it dropped to 2 °C (35.6 °F) in March 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 17 °C (63 °F). However, it reached 21.4 °C (70.5 °F) in March 1994.
Precipitation amounts to 40 mm (1.6 in), distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 14.5 °C (58 °F). Therefore, the sea is very cold for swimming.

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April is generally a mild month. The average temperature is of 14.3 °C (58 °F), with a minimum of 12.1 °C (53.7 °F) and a maximum of 16.5 °C (61.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8 °C (46 °F). However, it dropped to 4 °C (39.2 °F) in April 2003.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 21 °C (69.5 °F). However, it reached 28 °C (82.4 °F) in April 2018.
Precipitation amounts to 40 mm (1.6 in), distributed over 5 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 15.5 °C (60 °F). Therefore, the sea is cold for swimming.

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May is generally a warm month. The average temperature is of 18.3 °C (65 °F), with a minimum of 15.7 °C (60.3 °F) and a maximum of 20.8 °C (69.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 9 °C (48.2 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 29 °C (84.2 °F) in May 2020.
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 18.5 °C (65.5 °F). Therefore, the sea is very cool for swimming.

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June is generally a warm month. The average temperature is of 22.4 °C (72 °F), with a minimum of 19.6 °C (67.3 °F) and a maximum of 25.1 °C (77.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 15.5 °C (59.5 °F). However, it dropped to 11.8 °C (53.2 °F) in June 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, it reached 33.5 °C (92.3 °F) in June 2019.
Precipitation amounts to 15 mm (0.6 in), distributed over 2 days.
The day lasts on average 15 hours and 5 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 10 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 22.5 °C (72 °F). Therefore, the sea can be considered barely acceptable for swimming.

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July is generally a warm to hot, muggy month. The average temperature is of 25 °C (77 °F), with a minimum of 22.3 °C (72.2 °F) and a maximum of 27.7 °C (81.9 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F). However, it dropped to 13.8 °C (56.8 °F) in July 2008.
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 34 °C (93.2 °F) in July 2019.
Precipitation amounts to only 5 mm (0.2 in), and all occurs in one day.
The day lasts on average 14 hours and 40 minutes. So the days are long.
There are on average 11 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 25.5 °C (77.5 °F). Therefore, the sea is warm enough for swimming.

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August, the hottest month of the year, is generally a warm to hot, muggy month. The average temperature is of 25.8 °C (78 °F), with a minimum of 23.1 °C (73.7 °F) and a maximum of 28.5 °C (83.2 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F). However, it dropped to 17 °C (62.6 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 35.6 °C (96.1 °F) in August 2000.
Precipitation amounts to 10 mm (0.4 in), and all occurs in one day.
The day lasts on average 13 hours and 40 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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September is generally a warm to hot, muggy month. The average temperature is of 22.7 °C (73 °F), with a minimum of 20.4 °C (68.6 °F) and a maximum of 25 °C (77 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 16.5 °C (62 °F). However, it dropped to 13.6 °C (56.5 °F) in September 1994.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 36.5 °C (97.7 °F) in September 2018.
Precipitation amounts to 65 mm (2.6 in), distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 24.5 °C (76 °F). Therefore, the sea is warm enough for swimming.

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October is generally a warm month. The average temperature is of 19.1 °C (66 °F), with a minimum of 17.1 °C (62.8 °F) and a maximum of 21.1 °C (70 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 12.5 °C (55 °F). However, it dropped to 7.8 °C (46 °F) in October 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 27.2 °C (81 °F) in October 1991.
Precipitation amounts to 100 mm (3.9 in), distributed over 6 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 22 °C (71 °F). Therefore, the sea is cool for swimming.

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November is generally a very mild month. The average temperature is of 15.3 °C (60 °F), with a minimum of 13.6 °C (56.5 °F) and a maximum of 17 °C (62.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 6.2 °C (43.2 °F) in November 2013.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 21.5 °C (70.5 °F). However, it reached 25 °C (77 °F) in November 2017.
Precipitation amounts to 120 mm (4.7 in), distributed over 9 days.
The day lasts on average 9 hours and 55 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.

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December is generally a mild month. The average temperature is of 12 °C (54 °F), with a minimum of 10.5 °C (50.9 °F) and a maximum of 13.6 °C (56.4 °F).
On the coldest nights of the month, the temperature usually drops to around 5.5 °C (42 °F). However, it dropped to 0 °C (32 °F) in December 1999.
On the warmest days of the month, the temperature usually reaches around 17 °C (62.5 °F). However, it reached 19.6 °C (67.3 °F) in December 2000.
Precipitation amounts to 100 mm (3.9 in), distributed over 9 days.
The day lasts on average 9 hours and 20 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 4 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 20 kph (13 mph).
The average sea temperature is of 16.5 °C (61.5 °F). Therefore, the sea is cold for swimming.