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Follo climate by month
What the weather is like
Follo has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 30° and nights 18°. January is the coolest month, with highs of 12° and lows of 4°. The difference between the warmest and the coolest month is about 16°.
About 990 mm of precipitation falls in an average year. November is the wettest month (137 mm, 13 wet days) and July the driest (30 mm, 7 wet days). Cloud cover ranges from 15% in July to 42% in December.
The sea reaches about 25° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Rome, the capital, Follo is 3° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · August
- Coldest nights
- 4° · January
- Wettest month
- November
- Driest month
- July
- Clearest skies
- July · 15% cloud
- Warmest sea
- 25° · August
- Longest day
- 15 h 29 min
- Shortest day
- 8 h 54 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 12° | 12° | 15° | 19° | 23° | 26° | 29° | 30° | 25° | 21° | 16° | 12° |
| Average low | 4° | 4° | 6° | 9° | 13° | 16° | 18° | 18° | 15° | 12° | 9° | 5° |
| Precipitation | 78 mm | 64 mm | 67 mm | 89 mm | 65 mm | 56 mm | 30 mm | 42 mm | 104 mm | 142 mm | 137 mm | 116 mm |
| Wet days (≥1 mm) | 8.9 | 9.2 | 9.9 | 10.4 | 10.8 | 8.7 | 7.4 | 7.8 | 8.8 | 11.3 | 12.7 | 10.5 |
| Cloud cover | 41% | 37% | 36% | 37% | 32% | 25% | 15% | 18% | 25% | 35% | 40% | 42% |
| Sea temperature | 14° | 13° | 14° | 15° | 18° | 22° | 24° | 25° | 23° | 20° | 18° | 16° |
| Daylight | 9h 14 | 10h 28 | 11h 52 | 13h 26 | 14h 45 | 15h 29 | 15h 11 | 14h 03 | 12h 33 | 11h 03 | 9h 39 | 8h 54 |
| Month score | 40 | 46 | 59 | 73 | 74 | 74 | 65 | 63 | 78 | 71 | 55 | 40 |