Alissos Weather in December

December in Alissos brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 7°C (45°F). Rainfall is on the higher side this month, averaging around 137 mm (5.4 in), so keep a rain jacket handy.

Rainfall in Alissos in December

You can expect rain on around 14 days based on historical patterns, with 137 mm (5.4 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Alissos in December

December in Alissos brings typical temperatures with highs around 15°C (59°F) and lows of 7°C (45°F). The winter season takes place during December. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Alissos in December

The area enjoys a moderate level of sunlight, with around 108 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Alissos in December

December has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

Average water temperature in December

The water temperature is 18°C (64°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

For Alissos itself, May, June, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Greece, check out our Alissos's climate page.

Alissos Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 15°C (59°F)  

Water Temperature 18°C (64°F) *  

Chance of Rain 45%  

Precipitation 137 mm (5.4 in)  

Rainy days 14 days  

Humidity 71% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 108 hours *  

Percentage Sunshine *  

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

What to Wear in Alissos in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 18°C (64°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Alissos in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Greece, check out our Alissos's climate page.

More climate data for Alissos

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Alissos climate overview or explore weather in Greece.