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San Clemente Climate by Month

The temperature in San Clemente can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to San Clemente can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C in July to a chilly 10°C in February. Nighttime temperatures can drop, with averages reaching 4°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, San Clemente experiences moderate precipitation patterns, averaging 863 mm yearly. The seasons in San Clemente, bring significant changes in precipitation. The wettest month, November, receives moderate rainfall, with an average of 98 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, July, experiences much less rainfall, totaling 39 mm over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In San Clemente, summer days are longer and more sunny, with daily sunshine hours peaking at 9.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 2.2 hours.

Monthly hours of sunshine

Data from: Rimini, Italy (9 KM, 5 Miles).

Daily hours of sunshine

Data from: Rimini, Italy (9 KM, 5 Miles).

Average water temperature

The mean water temperature over the year in San Clemente ranges from 12°C in February to 24°C in August.

Water temperature over the year

Data from: Rimini, Italy (9 KM, 5 Miles).

The best time of year to visit San Clemente in Italy

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in San Clemente?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in San Clemente?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in San Clemente?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in San Clemente?
    November tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in San Clemente?
    July is the driest month with 39 mm of precipitation.
  • Which is the sunniest month in San Clemente?
    July is the sunniest month with an average of 298 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for San Clemente

    Thu   Nov 21
    15°C | 1°C
    S 18 km/h
    1.8 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Fri   Nov 22
    16°C | 4°C
    NW 22 km/h
    1.7 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sat   Nov 23
    10°C | 3°C
    W 11 km/h
    clear and no rain

    clear and no rain