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Mykonos in January: Weather, Average temperature and Climate

Discover the weather for Mykonos in January and if it’s a good time to travel (based on historical data).
Check flight prices to Mykonos on Avionero:
January

Weather in Mykonos in January 2025

OK Weather
Mild
🌧️
Rainy
🌊
Fresh water
January could be a good time to visit Mykonos, as the weather is generally fine. The average high temperature is around +57°F, and there are typically 5 sunny days in January. However, expect about 15 rainy days, and total monthly rainfall of approximately 70 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Mykonos;

Average weather

☀️
+57°F
Avg. max. temperature
+34°F
Min.
+73°F
Max.
70 mm
Total precipitation
72%
Avg. humidity
6 m/s
Avg. wind
5 ☀️
Sunny Days
10 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Mykonos has OK weather in January.

Average temperature in Mykonos in January

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

The expected average maximum temperature in January is +61°F with a maximum of +68°F and a minimum of +45°F.

The average maximum temperature goes down 38% by the end of the month, compared with the beginning of the month, from +63°F to +54°F.

Is Mykonos warm or cold in January?

Mykonos is typically mild in January.

Maximum temperatures go down compared to the previous month from +59°F to +57°F. The minimum temperature also goes down from +54°F to +52°F.

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

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

Water temperature in Mykonos in January

Water in Mykonos in January is Fresh. It varies from +59°F to +64°F, with an average of +62°F. Note that the air temperature is lower than the water temperature, averaging around +57°F.

In January, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Mykonos are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in March, with an average of +61°F.

Can you swim in Mykonos in January?

Water temperature (+62°F) in Mykonos in January might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.

Climate in Mykonos in January

Mykonos weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+59°F+57°F+57°F
Min. temperature
+37°F+34°F+30°F
Max. temperature
+75°F+73°F+73°F
Rainfall
63 mm70 mm59 mm
Wind
6 m/s6 m/s7 m/s
Avg. water temperature
+62°F+62°F+61°F
Humidity
73%72%72%
Air pressure
1016 HPa1016 HPa1015 HPa
Sunny days
555
Cloudy days
11109
Rainy days
141513
Snowy days
000

January weather is still as ok as in December. It’s getting colder in January. From +59°F in the day, the average maximum temperature lowers to +57°F. Prepare for more rain. Average rainfall goes from 63 mm to 70 mm. It feels drier, as humidity decreases from 73% to 72%. The average wind speed doesn’t change much during January, staying around 6 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

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

The average wind speed is 5 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 Mykonos is gradually increasing during January, going from 6 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Mykonos based on historical data.
Last Year
Historical Data
Total precipitation in January is about 82 mm, with a 39% chance of rain on a typical day. The maximum amount of rainfall per day is around 17 mm, which is considered light rain. January is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
January is one of the rainiest months in Mykonos, here is a comparison with other months, total mm:
Mykonos wettest month is January, where a typical day has a 48% chance of precipitation and 70 mm of rainfall per day. July, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

How was the weather last January in Mykonos?

This is the weather in Mykonos in January 2023:
1 January
☀️
+63°F
2 January
☀️
+62°F
3 January
☀️
+63°F
4 January
☀️
+62°F
5 January
☀️
+62°F
6 January
☀️
+64°F
7 January
☀️
+64°F
8 January
☀️
+62°F
9 January
☀️
+64°F
10 January
🌧️
+64°F
11 January
🌧️
+60°F
12 January
🌧️
+60°F
13 January
🌧️
+57°F
14 January
🌧️
+60°F
15 January
☀️
+60°F
16 January
☀️
+62°F
17 January
☁️
+64°F
18 January
☀️
+67°F
19 January
☀️
+67°F
20 January
☀️
+62°F
21 January
☁️
+60°F
22 January
☀️
+66°F
23 January
☀️
+64°F
24 January
☀️
+64°F
25 January
☀️
+57°F
26 January
🌧️
+64°F
27 January
🌧️
+60°F
28 January
🌧️
+59°F
29 January
🌧️
+57°F
30 January
☁️
+55°F
31 January
🌧️
+53°F
In January 2023 Mykonos had 18 sunny days, 3 cloudy days, and 10 rainy days. The average maximum temperature was +61°F, with an absolute maximum of +68°F and a minimum of +54°F. The average humidity was 70%, with a maximum of 95% and a minimum of 47%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Mykonos climate has changed over the last 43 years.

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

The average temperature was the lowest in 1983 (+64°F) and the highest in 2021 (+73°F). The driest year was 1989 with only 149 mm of rainfall, and the wettest year was 2003 with 694 mm.

FAQ

Frequently asked questions about the weather in Mykonos in January:

Is January a good time to visit Mykonos?

It’s always a good time to visit Mykonos, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Mykonos in January?

January has mild temperatures in Mykonos. 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 Mykonos in January?

In general, you can swim in Mykonos in January, if you want to, at an average water temperature of +62°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.

Is Mykonos rainy in January?

Mykonos 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 Mykonos in January?

Usually, it’s not very sunny in Mykonos 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 Mykonos

Source of the data

For this page, we’ve looked at the typical weather in Mykonos, 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.