May weather forecastMarathonas, Greece

May

Weather in May

The last month of the spring, May, is a warm month in Marathonas, Greece, with temperature in the range of an average high of 23.3°C (73.9°F) and an average low of 16.6°C (61.9°F).

Temperature

In May, the meteorological conditions subtly change with the average high-temperature edging from an enjoyable 18.6°C (65.5°F) in April to a warm 23.3°C (73.9°F). Nighttime temperatures hover around an average low of 16.6°C (61.9°F) in May.

Humidity

The average relative humidity in May is 60%.

Rainfall

In Marathonas, during May, the rain falls for 7.6 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 93.5 rainfall days, and 308mm (12.13") of precipitation is accumulated.

Snowfall

In Marathonas, snow does not fall in March through December.

Daylight

In May, the average length of the day is 14h and 15min.
On the first day of May in Marathonas, sunrise is at 06:26 and sunset at 20:15. On the last day of the month, sunrise is at 06:02 and sunset at 20:40 EEST.

Sunshine

In Marathonas, the average sunshine in May is 11.3h.

UV index

In Marathonas, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

In Marathonas, in May, the average high-temperature is 23.3°C (73.9°F), and the average low-temperature is 16.6°C (61.9°F).

In May, the average relative humidity is 60%.

In Marathonas, Greece, in May, during 7.6 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

March through December are months without snowfall.

In Marathonas, the average day length in May is 14h and 15min.

In May, on the first day of the month, sunrise is at 06:26 and sunset at 20:15. On the last day of the month, sunrise is at 06:02 and sunset at 20:40 EEST.

In May, the average sunshine duration is 11.3h.

In Marathonas, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Marathonas, Greece

  • Average high temperature in May: 23.3°C

The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in May: 16.6°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).

Average pressure in May
Marathonas, Greece

  • Average pressure in May: 1012.9mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).

Average wind speed in May
Marathonas, Greece

  • Average wind speed in May: 11.8km/h

The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).

Average humidity in May
Marathonas, Greece

  • Average humidity in May: 60%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).

Average rainfall in May
Marathonas, Greece

  • Average rainfall in May: 17mm

The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in May
Marathonas, Greece

  • Average rainfall days in May: 7.6 days

The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in May
Marathonas, Greece

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Marathonas, Greece

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Marathonas, Greece

  • Average daylight in May: 14h and 12min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 18min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in May
Marathonas, Greece

  • Average sunshine days in May: 21.6 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).

Average UV index in May
Marathonas, Greece

  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in May
Marathonas, Greece

  • Average cloud cover in May: 18

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in May
Marathonas, Greece

  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).