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The average temperature in San Felice Circeo over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 8°C. The rainy (wet) season in San Felice Circeo runs from November to March, peaking in February with a 31% chance of rain on a given day. The dry season is April to October; July is the driest month, at 3%. Winds in San Felice Circeo are highest in February, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the S. The clearest skies in San Felice Circeo come in July, when the sky is typically 25% covered; November is the cloudiest month, at 57%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 12°C | 8°C | 9°C | 25% | 54% | 3.4 m/s | 9 | 0 | 68 |
| February | 14°C | 9°C | 11°C | 31% | 52% | 3.5 m/s | 15 | 0 | 76 |
| March | 14°C | 9°C | 11°C | 18% | 52% | 3.4 m/s | 25 | 0 | 79 |
| April | 18°C | 11°C | 15°C | 10% | 50% | 3.1 m/s | 59 | 4 | 83 |
| May | 22°C | 15°C | 20°C | 15% | 51% | 2.9 m/s | 86 | 17 | 69 |
| June | 27°C | 19°C | 27°C | 8% | 36% | 2.8 m/s | 54 | 66 | 19 |
| July | 30°C | 22°C | 32°C | 3% | 25% | 2.7 m/s | 14 | 65 | 3 |
| August | 30°C | 22°C | 32°C | 10% | 27% | 2.7 m/s | 12 | 62 | 2 |
| September | 26°C | 19°C | 27°C | 17% | 43% | 2.7 m/s | 50 | 64 | 21 |
| October | 22°C | 15°C | 21°C | 13% | 43% | 2.9 m/s | 85 | 21 | 63 |
| November | 17°C | 12°C | 15°C | 24% | 57% | 3.3 m/s | 56 | 1 | 83 |
| December | 13°C | 8°C | 10°C | 26% | 50% | 3.4 m/s | 16 | 0 | 74 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, San Felice Circeo has days of about 12°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 8°C to 22°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around February and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in San Felice Circeo has typical daily highs of about 13°C and lows of about 8°C, with a 27% chance of rain on a given day.
Spring in San Felice Circeo has typical daily highs of about 18°C and lows of about 11°C, with a 14% chance of rain on a given day.
Summer in San Felice Circeo has typical daily highs of about 29°C and lows of about 21°C, with a 7% chance of rain on a given day.
Autumn in San Felice Circeo has typical daily highs of about 21°C and lows of about 15°C, with a 18% chance of rain on a given day.
The rainy (wet) season in San Felice Circeo runs from November to March, peaking in February with a 31% chance of rain on a given day. The dry season is April to October; July is the driest month, at 3%.
Winds in San Felice Circeo are highest in February, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.7 m/s (10 km/h). The prevailing wind is from the S.
The average temperature in San Felice Circeo over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 8°C.