May weather forecastPetra, Greece

Village of Petra in Greece, the beautiful waters and the rest of Lesvos Island and Mythimna regionVillage of Petra in Greece, the beautiful waters and the rest of Lesvos Island and Mythimna region

May

Weather in May

The last month of the spring, May, is a pleasant month in Petra, Greece, with an average temperature varying between 16.8°C (62.2°F) and 21.4°C (70.5°F).

Temperature

As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from an enjoyable 17.2°C (63°F) to an agreeable 21.4°C (70.5°F). Petra, in May, logs an average low-temperature of 16.8°C (62.2°F), a subtle step down from daytime readings.

Humidity

In Petra, the average relative humidity in May is 68%.

Rainfall

In Petra, in May, during 9.9 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Petra, during the entire year, the rain falls for 102.7 days and collects up to 430mm (16.93") of precipitation.

Snowfall

March through December are months without snowfall.

Sea temperature

In Petra, in May, the average water temperature is 18.3°C (64.9°F).
Note: Swimming is not a pleasant activity for most individuals in 18.3°C (64.9°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Petra, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 06:15 and sunset at 20:08. On the last day of May, in Petra, sunrise is at 05:50 and sunset at 20:35 EEST.

Sunshine

In Petra, the average sunshine in May is 11.5h.

UV index

In May, the average daily maximum UV index in Petra is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

The average high-temperature, in May, in Petra, is 21.4°C (70.5°F), while the average low-temperature is 16.8°C (62.2°F).

In Petra, the average relative humidity in May is 68%.

In May, the rain falls for 9.9 days. Throughout May, 32mm (1.26") of precipitation is accumulated.

March through December are months without snowfall in Petra, Greece.

In Petra, in May, the average water temperature is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Petra, Greece, the average day length in May is 14h and 20min.

On the first day of May, sunrise is at 06:15 and sunset at 20:08. On the last day of the month, sunrise is at 05:50 and sunset at 20:35 EEST.

In May, the average sunshine duration is 11.5h.

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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 sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Petra, Greece

  • Average high temperature in May: 21.4°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (11.1°C).

  • Average low temperature in May: 16.8°C

The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).

Average pressure in May
Petra, Greece

  • Average pressure in May: 1012.5mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1009.7mbar).

Average wind speed in May
Petra, Greece

  • Average wind speed in May: 14km/h

The windiest month (with the highest average wind speed) is January (22.2km/h).
The calmest month (with the lowest average wind speed) is May (14km/h).

Average humidity in May
Petra, Greece

  • Average humidity in May: 68%

The months with the highest relative humidity are January and February (74%).
The month with the lowest relative humidity is August (60%).

Average rainfall in May
Petra, Greece

  • Average rainfall in May: 32mm

The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is August (1mm).

Average rainfall days in May
Petra, Greece

  • Average rainfall days in May: 9.9 days

The month with the highest number of rainy days is January (14 days).
The month with the least rainy days is August (0.8 days).

Average snowfall in May
Petra, Greece

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Petra, Greece

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in May
Petra, Greece

  • Average sea temperature in May: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (24.5°C).
The coldest months (with the lowest average sea temperature) are February and March (15.3°C).

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

  • Average daylight in May: 14h and 18min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 11h and 30min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in May
Petra, Greece

  • Average sunshine days in May: 17.6 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (13.6 days).

Average UV index in May
Petra, Greece

  • Average UV index in May: 6

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in May
Petra, 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 3).

Average visibility in May
Petra, 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).