May weather forecast
Chania, Greece

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The lighthouse surrounded by water in Chania, Greece
The lighthouse surrounded by water in Chania, Greece

Weather in May

In May, Chania, Greece embraces the wide-armed warmth of spring. Average high temperatures rise to a comfortable 22.9°C (73.2°F), complemented by a further decline in rainfall to 18mm (0.71") over roughly 8 days. The number of bright, sunny days increases, and with a sea temperature at a welcoming 19.1°C (66.4°F), May formally ushers in the beach season in Chania. Hiking trails through gorges and around the mountains are best tackled during this time, providing astounding views of the city resplendent under the spring sun.

Temperature

Chania's transition into May is marked by a minor temperature shift, moving from a refreshing 18.8°C (65.8°F) in April to a pleasant 22.9°C (73.2°F). During the nights in May, Chania experiences a consistent average temperature of 15.4°C (59.7°F).

Humidity

The average relative humidity in May is 65%.

Rainfall

In May, the rain falls for 8 days. Throughout May, 18mm (0.71") of precipitation is accumulated. In Chania, during the entire year, the rain falls for 119.3 days and collects up to 509mm (20.04") of precipitation.

Sea temperature

In May, the average sea temperature is 19.1°C (66.4°F).
Note: For most individuals, swimming in 19.1°C (66.4°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Chania, the average length of the day in May is 14h and 2min.
On the first day of the month, sunrise is at 06:31 and sunset at 20:10. On the last day of May, sunrise is at 06:09 and sunset at 20:33 EEST.

Sunshine

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

UV index

In Chania, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the temperature in May?

During May, Chania experiences an average high-temperature of 22.9°C (73.2°F) and a low-temperature of 15.4°C (59.7°F).

What is the average humidity in May?

In May, the average relative humidity is 65%.

How much does it rain in May?

In May, the rain falls for 8 days. Throughout May, 18mm (0.71") of precipitation is accumulated.

How cold is the water in May?

In Chania, in May, the average water temperature is 19.1°C (66.4°F). Swimming in 19.1°C (66.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in May?

In Chania, the average day length in May is 14h and 2min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 06:31 and sunset at 20:10. On the last day of the month, sunrise is at 06:09 and sunset at 20:33 EEST.

How many hours of sunshine does Chania have in May?

The average sunshine duration in May is 11.3h.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in May
Chania, Greece

Average temperature in May - Chania, Greece
  • Average high temperature in May: 22.9°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in May: 15.4°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

Average pressure in May
Chania, Greece

Average pressure in May - Chania, Greece
  • Average pressure in May: 1013.6mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.6mbar).

Average wind speed in May
Chania, Greece

Average wind speed in May - Chania, Greece
  • Average wind speed in May: 12.3km/h

The windiest month (with the highest average wind speed) is January (17km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in May
Chania, Greece

Average humidity in May - Chania, Greece
  • Average humidity in May: 65%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (61%).

Average rainfall in May
Chania, Greece

Average rainfall in May - Chania, Greece
  • Average rainfall in May: 18mm

The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in May
Chania, Greece

Average rainfall days in May - Chania, Greece
  • Average rainfall days in May: 8 days

The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is July (1.7 days).

Average sea temperature in May
Chania, Greece

Average sea temperature in May - Chania, Greece
  • Average sea temperature in May: 19.1°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).

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

Average daylight in May / Average sunshine in May - Chania, Greece
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 11h and 2min

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 6min).

Average sunshine days in May
Chania, Greece

Average sunshine days in May - Chania, Greece
  • Average sunshine days in May: 21.8 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (11.3 days).

Average UV index in May
Chania, Greece

Average UV index in May - Chania, Greece
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Chania, Greece

Average cloud cover in May - Chania, Greece
  • Average cloud cover in May: 16

The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in May
Chania, Greece

Average visibility in May - Chania, 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).

Chania, Greece

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