May weather and diving conditions from Thailand Liveaboards. Similans and Phuket liveaboard scuba diving with your personal Thailand liveaboard diving adviser.
Welcome to May weather and diving conditions from Thailand Liveaboards (thailand-scuba.com), liveaboard scuba diving Similans Thailand

May Weather and Diving

May 2018 - 2017 - 2016 - 2015 - 2014 - 2013 - 2012 - 2011 - 2010 - 2009 - 2008

After a not so nice May 2018 we had an excellent May this year: 13 completely sunny days, more than average, 14 partly sunny days and just 4 overcast days. So all in all it was an outstanding May: many sunny days, quite a few days with some sun and some rain during the day, often early morning, quite a few days with rain in the evening and especially at night and just 2 rainy days.
The wind was also way below average this May, with 30 really calm days and only 1 day with a moderate wind.
Also the temperature was above average for this time of year, with an average temperature of 33.0 degrees Centigrade.

In 2011 we were on two days not able to dive in the Shark Point area, in 2012 we could not safely reach Racha Noi on one day and on one day we were limited in our dive destinations to Racha Yai, in 2013 on one day we could not reach Racha Noi. In 2014 and 2015 all destinations were possible every day of the month and in 2016 on two days we cancelled all diving, on four days we were limited to Racha Yai and on one day we could not dive in the Shark Point area, all at the end of the month. In 2017 we had one day where we could only dive at Racha Yai, one where we could not go to Racha Noi and one where Racha Noi and the King Cruiser/Shark Point area were not safe. This year we could dive everywhere on all days, we even managed to get a few nice dives in at Kata Beach. The Similans and Richelieu Rock national parks are closed, to re-open again on 15 October 2018. Diving at our housereef in Kata will resume again in November.

 Sun  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Sunny days, dry  6  5  8  8  9  8  1  8  9  7  13
 Sunny days, rain in the evening  7  2  2  3  1  2  2  6  2  1  0
 Partially sunny/cloudy, dry  3  4  8  6  7  7  3  5  7  3  7
 Partially sunny/cloudy, rain in the evening  5  3  2  4  4  4  2  0  2  2  2
 Partially sunny/cloudy, some rain during the day  6  9  1  9  5  6  13  10  6  9  4
 Overcast days, dry  0  0  0  0  2  0  0  1  2  1  0
 Overcast days with rain in the evening  2  1  0  0  0  0  0  0  1  0  0
 Overcast days with some rain during the day  1  5  1  1  2  0  7  1  2  4  3
 Overcast, wet days  1  2  8  0  1  4  3  0  0  4  2
 Wind  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Days without wind or with a slight breeze  30  22  23  29  28  29  11  18  30  29  16
 Days with a moderate or strong wind  1  9  8  2  3  2  20  13  1  2  15
 Temperature  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Outside temperature (centigrade)  27-35  28-34  29-36  29-34  31-35  28-35  28-34  31-36  32-38  29-37  28-36
 Average temperature (centigrade)  33.0  31.7  32.8  32.4  33.7  32.7  31.7  33.4  36.8  32.8  33.0

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