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Thessaloniki in April: Weather, Average temperature and Climate

Take a look at past year’s weather for Thessaloniki in April and see if it is worth visiting.
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April

Weather in Thessaloniki in April 2025

Good Weather
Mild
🌧️
Rainy
🌊
Cold water
Are you considering a trip to Thessaloniki in April? Well, the weather is usually on your side with an average maximum temperature of +64°F and about 10 sunny days. Just keep in mind that there may be some rain, with an average of 11 rainy days and 62 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+64°F
Avg. max. temperature
+30°F
Min.
+86°F
Max.
62 mm
Total precipitation
66%
Avg. humidity
2 m/s
Avg. wind
10 ☀️
Sunny Days
7 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Thessaloniki has good weather in April.

Average temperature in Thessaloniki in April

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

The temperature in April is +66°F on average, with a range between a maximum of +73°F during the day and a minimum of +43°F at night.

The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +73°F to +72°F.

Is Thessaloniki warm or cold in April?

Thessaloniki is typically mild in April.

Maximum temperatures go up compared to the previous month from +57°F to +64°F. The minimum temperature also goes up from +45°F to +52°F.

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

Take a look at how April is compared to other months in Thessaloniki:

Water temperature in Thessaloniki in April

Water in Thessaloniki in April is Cold. It varies from +55°F to +61°F, with an average of +58°F. This is almost similar to the air temperature, which averages +64°F.

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

The warmest water temperatures in Thessaloniki are reached in August, when the average sea temperature rises to +79°F. The coldest water temperatures are in March, with an average of +56°F.

Can you swim in Thessaloniki in April?

We would not recommend swimming in Thessaloniki in April, the water is very cold (+58°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
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
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 Thessaloniki in April

Thessaloniki weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+57°F+64°F+75°F
Min. temperature
+27°F+30°F+45°F
Max. temperature
+82°F+86°F+93°F
Rainfall
63 mm62 mm43 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+56°F+58°F+66°F
Humidity
68%66%63%
Air pressure
1015 HPa1013 HPa1013 HPa
Sunny days
91010
Cloudy days
977
Rainy days
12119
Snowy days
000

April weather is still as good as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +57°F to +64°F during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 63 mm to 62 mm. It feels drier, as humidity decreases from 68% to 66%. The average wind speed doesn’t change much during April, staying around 2 m/s. The good news is there are likely to be more sunny days in April, from 9 to 10.

May brings much the same weather, it remains good.

Wind

Wind speed in Thessaloniki in April based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Thessaloniki is gradually increasing during April, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Thessaloniki based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in April stands at 53%, leading to total precipitation of around 131 mm. The maximum amount of rainfall per day is around 41 mm, which is moderate rain. April is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Thessaloniki wettest month is December, where a typical day has a 39% chance of precipitation and 77 mm of rainfall per day. July, on the other hand, is the driest month with a mere 16% chance of precipitation and 20 mm of rainfall per day.

How was the weather last April in Thessaloniki?

This is the weather in Thessaloniki in April 2023:
1 April
☀️
+74°F
2 April
☁️
+68°F
3 April
🌧️
+56°F
4 April
☀️
+60°F
5 April
☀️
+59°F
6 April
☀️
+59°F
7 April
☀️
+61°F
8 April
🌧️
+60°F
9 April
🌧️
+61°F
10 April
🌧️
+59°F
11 April
☀️
+64°F
12 April
☀️
+67°F
13 April
☀️
+70°F
14 April
☁️
+68°F
15 April
☀️
+70°F
16 April
🌧️
+68°F
17 April
🌧️
+63°F
18 April
🌧️
+65°F
19 April
☁️
+69°F
20 April
☀️
+70°F
21 April
☀️
+73°F
22 April
🌧️
+66°F
23 April
☀️
+69°F
24 April
☀️
+70°F
25 April
☀️
+73°F
26 April
🌧️
+64°F
27 April
☀️
+67°F
28 April
☀️
+69°F
29 April
☀️
+66°F
30 April
☀️
+72°F
In April 2023 Thessaloniki had 18 sunny days, 3 cloudy days, and 9 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +73°F and a minimum of +55°F. The average humidity was 70%, with a maximum of 100% and a minimum of 29%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change Over the Years

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

The climate in Thessaloniki in April has not changed that much over the last 43 years.

The average temperature was the lowest in 1991 (+65°F) and the highest in 2013 (+73°F). The driest year was 1989 with only 258 mm of rainfall, and the wettest year was 2020 with 1565 mm.

FAQ

Frequently asked questions about the weather in Thessaloniki in April:

Is April a good time to visit Thessaloniki?

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

Can you sunbathe in Thessaloniki in April?

April has mild temperatures in Thessaloniki. 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 Thessaloniki in April?

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

Is Thessaloniki rainy in April?

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

Is it sunny in Thessaloniki in April?

The amount of sunny days in Thessaloniki during April varies; prepare for a mix of clouds and sun.

Other cities in Greece

Check out the weather for other cities in Greece.

Monthly weather in Thessaloniki

Source of the data

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