Halkidiki 9 Day Weather Forecast (21st May to the 29th May)
May 20th, 2010 | 
Author: Weather Summary
After a wet start on Friday (21st), the warmer weather starts to return. Next week sees clear skies and rising temperatures that will reach 32c by the weekend of the 29th.
Outlook
The warm to hot weather continues on into the 1st week of June with temperatures rising further.
Average UV index is: 8 (High)
Average Sea Temperature is: 20c
| Date | Forecast | Highs (°c) |
Low (°c) | UV | |
 |
Fri 21st
|
Cloudy with rain, some heavy in the morning, clearing by late afternoon |
19 (21) | 15 | 5 |
 |
Sat 22nd |
Clear sunny and feeling warmer |
21 (22) | 17 |
8 |
|
Sun 23rd |
Clear and sunny |
23 (25) | 18 | 8 |
 |
Mon 24th |
Sun and some clouds |
25 (27) | 18 | 8 |
 |
Tues 25th |
Chance of a morning thunderstorm, otherwise partly sunny |
25 (30) | 19 | 8 |
|
Wed 26th | A full day of warm sunshine, feeling very warm |
27 (32) | 20 | 8 |
 |
Thur 27th |
Mostly sunny, some high cloud around and feeling very warm |
31 (33) | 20 | 8 |
|
Fri 28th |
Sunny and very warm with some clouds around at times |
31 (33) | 21 | 8 |
|
Sat 29th |
Partly sunny but feeling warmer again |
32 (34) | 22 | 8 |
* (Summer) The temperature marked inside the ( ) is what it will actually feel like. This is called the HEAT INDEX. This is a combination of the air temperature and the relative humidity and comes into effect when the temperature rises above 20°C.
* (Winter) The temperature marked inside the ( ) is what it will actually feel like. This is called the WINDCHILL. This is a combination of the air temperature and the wind which measures of the amount of heat lost from the skin as the wind blows across it.
| UV index Value | Definition | Description | Sunburn Time |
| 0-2 | Minimal | Wear sunglasses on bright days; use sunscreen if there is snow on the ground, which reflects UV radiation, or if you have particularly fair skin. | More than 1 hour |
| 3-5 | Low | Wear sunglasses and use sunscreen, cover the body with clothing and a hat, and seek shade around midday when the sun is most intense. | More than 1 hour |
| 6-7 | Medium | Wear sunglasses and use sunscreen having SPF 15 or higher, cover the body with sun protective clothing and a wide-brim hat, and reduce time in the sun from two hours before to three hours after solar noon (roughly 10:00 AM to 4:00 PM during summer). | About 30 minutes |
| 8-10 | High | Wear sunscreen, a shirt, sunglasses, and a hat. Do not stay out in the sun for too long. | About 20 minutes |
| 11+ | Extreme | Take all precautions, including: wear sunglasses and use sunscreen, cover the body with a long-sleeve shirt and trousers, wear a very broad hat, and avoid the sun from two hours before to three hours after solar noon. | Less than 15 minutes |
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*Please note that long range forecasts are based on current computer models and should be used only as a general guide. The accuracy of any weather forecasts beyond 3-5 days is reduced significantly.
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