Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
As May begins, there's a slight increase in the average high-temperature, moving from an enjoyable 18.2°C (64.8°F) in April to an agreeable 21.6°C (70.9°F). Kastelli in May observes a slight diminution in temperature from daily highs, recording a low-temperature average of 17.5°C (63.5°F).Humidity
In Kastelli, the average relative humidity in May is 68%.Rainfall
In Kastelli, in May, it is raining for 7.9 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, there are 99.2 rainfall days, and 319mm (12.56") of precipitation is accumulated.Daylight
In May, the average length of the day is 14h and 1min.On the first day of May, sunrise is at 06:26 and sunset at 20:04. On the last day of the month, sunrise is at 06:05 and sunset at 20:27 EEST.
Sunshine
The average sunshine in May is 11.6h.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 unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Kastelli have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Kastelli have in May?
How high is the UV index in May?
Average temperature in May
Kastelli, Greece
- Average high temperature in May: 21.6°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.1°C).
- Average low temperature in May: 17.5°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in May
Kastelli, Greece
- Average pressure in May: 1013.1mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in May
Kastelli, Greece
- Average wind speed in May: 13km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is May (13km/h).
Average humidity in May
Kastelli, Greece
- Average humidity in May: 68%
The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (67%).
Average rainfall in May
Kastelli, Greece
- Average rainfall in May: 14mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in May
Kastelli, Greece
- Average rainfall days in May: 7.9 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is August (0.6 days).
Average daylight in May /
Average sunshine in May
Kastelli, 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 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in May
Kastelli, Greece
- Average sunshine days in May: 20.5 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is January (12.4 days).
Average UV index in May
Kastelli, 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, March and December (UV index 4).
Average cloud cover in May
Kastelli, Greece
- Average cloud cover in May: 14
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in May
Kastelli, 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).
