Measurements:
°C
°F
Eretria
88°F
N 6 mph
Feels like: 86°F
Precip: 0%
World Resorts Greece Eretria Weather May Weather in Eretria

Eretria Weather: May

Average Day Temperature: 77.7°F
Average Night Temperature: 61.5°F
Sea Water Temperature: 67.6°F
Number of Sunny Days: 23 days
Sunshine Hours: 13.8 - 14.6 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 85°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 74.5°F и 58.7°F respectivly.

Eretria Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Eretria was 66.7°F. The maximum and minimum values were 62.4°F and 71.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Eretria is 1.1 in.

Wind Speed in May, mph

The average wind speed in May is 6.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Eretria in May is 11.1 hours.

Best Time to Visit Eretria
The most sunny months:
July 29 days
August 29 days
June 26 days
The most warm months:
July 94.0 °F
August 92.7 °F
June 87.7 °F
Warmest sea temperature:
August 83.1 °F
July 82.1 °F
September 80.4 °F
The most cold months:
January 53.5 °F
February 56.1 °F
December 57.2 °F
The most rainy months:
February 4 days
December 4 days
January 3 days
The most windy months:
August 9 mph
July 7 mph
February 7 mph

Eretria on the Weather Map

Greece Resorts:
NAME
Athenes +84
Bali Gr +80
Chalkidiki +76
Chania +80
Corfu +74
Crete +70
Hanioti +82
Heraklion +78
Hersonissos +78
Kassandra +78
Paralia Katerini +82
Rhodes +78
Thasos +72
Thessaloniki +84
Zakynthos +74
24 Hours Weather Forecast
Eretria
Local time: 17:53
03 jun, wednesday
1800 88°F
N
6 mph
2100 72°F
NW
8 mph
04 jun, thursday
0000 70°F
NW
5 mph
0300 68°F
N
2 mph
0600 66°F
N
2 mph
0900 78°F
N
2 mph
1200 86°F
NE
4 mph
1500 88°F
N
4 mph