May weather forecastIstiaia, Greece

May

Weather in May

May, the last month of the spring in Istiaia, is a pleasant month, with an average temperature fluctuating between 17.7°C (63.9°F) and 20.4°C (68.7°F).

Temperature

May brings a slight increase in the average high-temperature, progressing from a comfortable 16.2°C (61.2°F) in April to a pleasant 20.4°C (68.7°F). Istiaia's May nights exhibit a subtle drop in temperature, averaging at a comfortable 17.7°C (63.9°F), closely aligned with the daytime highs.

Humidity

In Istiaia, the average relative humidity in May is 69%.

Rainfall

In Istiaia, in May, during 11.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Istiaia, there are 133.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of May, sunrise is at 06:28 and sunset at 20:20. On the last day of the month, sunrise is at 06:03 and sunset at 20:46 EEST.

Sunshine

In Istiaia, the average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in May transforms into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

An average high-temperature, in May, in Istiaia, is 20.4°C (68.7°F) and the average low-temperature is 17.7°C (63.9°F).

The average relative humidity in May in Istiaia is 69%.

In Istiaia, during May, the rain falls for 11.2 days and regularly aggregates up to 34mm (1.34") of precipitation.

February through December are months without snowfall in Istiaia, Greece.

In May, the average day length is 14h and 19min.

In May, on the first day of the month, sunrise is at 06:28 and sunset at 20:20. On the last day of the month, in Istiaia, sunrise is at 06:03 and sunset at 20:46 EEST.

In May, the average sunshine duration in Istiaia, Greece, is 11.2h.

In May, the average daily maximum UV index in Istiaia is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from 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
Istiaia, Greece

  • Average high temperature in May: 20.4°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).

  • Average low temperature in May: 17.7°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).

Average pressure in May
Istiaia, Greece

  • Average pressure in May: 1013.2mbar

The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).

Average wind speed in May
Istiaia, Greece

  • Average wind speed in May: 13.7km/h

The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).

Average humidity in May
Istiaia, Greece

  • Average humidity in May: 69%

The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).

Average rainfall in May
Istiaia, Greece

  • Average rainfall in May: 34mm

The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in May
Istiaia, Greece

  • Average rainfall days in May: 11.2 days

The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).

Average snowfall in May
Istiaia, Greece

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Istiaia, Greece

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Istiaia, 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 12min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in May
Istiaia, Greece

  • Average sunshine days in May: 17.8 days

The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in May
Istiaia, 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
Istiaia, Greece

  • Average cloud cover in May: 21

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in May
Istiaia, 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).