ClimateForecastDecemberJanuary >>

Alissos Climate by Month

The climate in Alissos is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to mild in the cooler months. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

In Alissos, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 32°C in August. In January, the coolest month of the year, temperatures drop to a moderate 13°C. At night, expect cooler temperatures, averaging 5°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Alissos receives a reasonable amount of rainfall, with an annual precipitation of 946 mm. Alissos can be quite wet during November, receiving approximately 139 mm of precipitation over 12 rainy days.

In contrast July, experiences much drier conditions, with 12 mm of rainfall, spread across 2 rainy days.

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

Sunshine over the year

Alissos can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Patras, Greece (17 KM, 10 Miles).

Daily hours of sunshine

Data from: Patras, Greece (17 KM, 10 Miles).

Average water temperature

The mean water temperature over the year in Alissos ranges from 15°C in February to 26°C in August.

Water temperature over the year

Data from: Patras, Greece (17 KM, 10 Miles).

The best time of year to visit Alissos in Greece

During the months of May and October 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:
  • Does Alissos have a dry season?
    Yes, the months of July and August are very dry.
  • Which is the warmest month in Alissos?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Alissos?
    The coldest month is January with an average maximum temperature of 13°C.
  • Which is the wettest month in Alissos?
    November tops the wettest month list with 139 mm of rainfall.
  • Which is the driest month in Alissos?
    July is the driest month with 12 mm of precipitation.
  • Which is the sunniest month in Alissos?
    July is the sunniest month with an average of 358 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 Alissos

    Thu   Dec 12
    17°C | 5°C
    NW 4 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Dec 13
    17°C | 3°C
    NW 4 km/h
    clear and no rain

    clear and no rain

    Sat   Dec 14
    16°C | 2°C
    SE 11 km/h
    21 mm
    overcast and rain

    overcast and rain