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Athens in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Athens in January will be like? Take a look at our weather guide for Athens, based on historical data.
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January

Weather in Athens in January 2025

Good Weather
Mild
🌧️
Rainy
🌊
Cold water
Planning a trip to Athens in January? You are in luck! The weather is generally good, with an average maximum temperature of +13°C and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 11 rainy days and 106 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Athens;

Average weather

☀️
+13°C
Avg. max. temperature
-3°C
Min.
+23°C
Max.
106 mm
Total precipitation
69%
Avg. humidity
3 m/s
Avg. wind
8 ☀️
Sunny Days
10 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Athens has good weather in January.

Average temperature in Athens in January

Here are the expected maximum, average and minimum temperatures in Athens for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +18°C during the day to a minimum of +6°C during the night, the temperature in January averages around +15°C.

The average maximum temperature goes down 58% by the end of the month, compared with the beginning of the month, from +17°C to +10°C.

Is Athens warm or cold in January?

Athens is typically mild in January.

Maximum temperatures go down compared to the previous month from +14°C to +13°C. The minimum temperature also goes down from +8°C to +6°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

January is the coldest month in Athens, here is the comparison with other months:

Water temperature in Athens in January

Water in Athens in January is Cold. It varies from +14°C to +17°C, with an average of +15°C. Note that the air temperature is lower than the water temperature, averaging around +13°C.

The water temperature in January is one of the coldest of the entire year:

The warmest water temperatures in Athens are reached in August, when the average sea temperature rises to +26°C. The coldest water temperatures are in February, with an average of +15°C.

Can you swim in Athens in January?

We would not recommend swimming in Athens in January, the water is very cold (+15°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Athens in January

Athens weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+14°C+13°C+13°C
Min. temperature
-2°C-3°C-5°C
Max. temperature
+22°C+23°C+23°C
Rainfall
114 mm106 mm64 mm
Wind
3 m/s3 m/s4 m/s
Avg. water temperature
+17°C+15°C+15°C
Humidity
70%69%67%
Air pressure
1017 HPa1017 HPa1016 HPa
Sunny days
787
Cloudy days
10109
Rainy days
111110
Snowy days
001

January often has better weather than December. It’s getting colder in January. From +14°C in the day, the average maximum temperature lowers to +13°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 114 mm to 106 mm. It feels drier, as humidity decreases from 70% to 69%. The average wind speed doesn’t change much during January, staying around 3 m/s. The good news is there are likely to be more sunny days in January, from 7 to 8.

Next month (February) brings a further decline in the weather.

Wind

Wind speed in Athens in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Athens is gradually increasing during January, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Athens based on historical data.
Last Year
Historical Data
Typically, there is a 68% chance of rain on an average day in January, with total rainfall of approximately 1956 mm. The maximum amount of rainfall per day is around 220 mm, which is considered heavy rain. January is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
January is one of the rainiest months in Athens, here is a comparison with other months, total mm:
Athens wettest month is December, where a typical day has a 35% chance of precipitation and 114 mm of rainfall per day. July, on the other hand, is the driest month with a mere 3% chance of precipitation and 6 mm of rainfall per day.

How was the weather last January in Athens?

This is the weather in Athens in January 2023:
1 January
☀️
+17°C
2 January
☀️
+17°C
3 January
☀️
+16°C
4 January
☀️
+17°C
5 January
☀️
+16°C
6 January
☀️
+17°C
7 January
☀️
+17°C
8 January
☀️
+16°C
9 January
☀️
+16°C
10 January
🌧️
+16°C
11 January
☀️
+14°C
12 January
☀️
+14°C
13 January
☀️
+14°C
14 January
☀️
+15°C
15 January
☀️
+13°C
16 January
☀️
+15°C
17 January
☁️
+18°C
18 January
🌧️
+18°C
19 January
☀️
+18°C
20 January
🌧️
+16°C
21 January
🌧️
+17°C
22 January
🌧️
+17°C
23 January
🌧️
+17°C
24 January
🌧️
+17°C
25 January
🌧️
+11°C
26 January
🌧️
+12°C
27 January
🌧️
+14°C
28 January
🌧️
+14°C
29 January
🌧️
+12°C
30 January
☀️
+10°C
31 January
☁️
+10°C
In January 2023 Athens had 17 sunny days, 2 cloudy days, and 12 rainy days. The average maximum temperature was +15°C, with an absolute maximum of +18°C and a minimum of +10°C. The average humidity was 75%, with a maximum of 98% and a minimum of 46%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Athens climate have been changing during last 43 years period.

The climate in Athens in January has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+20°C) and the highest in 2023 (+23°C). The driest year was 2000 with only 170 mm of rainfall, and the wettest year was 2022 with 5004 mm.

FAQ

Frequently asked questions about the weather in Athens in January:

Is January a good time to visit Athens?

January is a really good time to go to Athens. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Athens.

Can you sunbathe in Athens in January?

January has mild temperatures in Athens. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Athens in January?

Swimming in Athens in January is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Athens rainy in January?

Athens is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Athens in January?

Usually, it’s not very sunny in Athens in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Greece

Check out the weather for other cities in Greece.

Monthly weather in Athens

Source of the data

For this page, we’ve looked at the typical weather in Athens, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.