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

April Weather and Diving

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

April 2018 was the way it is supposed to be: nearly no wind and excellent diving conditions. And we had again manta ray sightings, most of the sightings at Koh Bon and Koh Tachai in the Similans National Park and Hin Daeng and Hin Muang in the South, but not as many as in 2016 and 2017 though. But there were many morte whaleshark sightings this year. And besides Richelieu Rock, where most were spotted, there were also sightings in the Phi Phi and Shark Point areas.
Weather wise it was also as usual albeit it felt warmer than usual, sometimes even too hot. All in all we had 29 nice and sunny days with on 9 days some clouds and on 9 days some rain, sometimes impressive tropical rainshowers. We only had one really overcast day.

The diving at both the local sites (Phi Phi area, Shark Point area, Racha islands) and the liveaboard destinations (Similans, Koh Bon, Koh Tachai and Richelieu Rock plus the Southern destinations Hiin Daeng, Hin Muang and Koh Haa) was in 2017 possible every day, this year we had one day where we could not dive in the King Cruiser-Shark Point area and at Richelieu Rock. Diving at our housereef here at Kata Beach was possible every day, but after really bad visibility and surge there on the 25th we have stopped for the season, we'll start again in November.

 Sun  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Sunny days, dry  17  13  19  13  11  10  5  17  10  10  12
 Sunny days, rain in the evening  3  1  0  2  3  1  5  4  4  2  3
 Partially sunny/cloudy, dry  4  6  10  7  11  7  3  2  9  2  5
 Partially sunny/cloudy, rain in the evening  2  1  0  3  0  2  2  0  2  1  0
 Partially sunny/cloudy, some rain during the day  3  8  1  4  3  6  10  5  3  11  8
 Overcast days, dry  0  0  0  1  0  0  0  2  1  1  0
 Overcast days with rain in the evening  1  0  0  0  0  0  1  0  0  0  0
 Overcast days with some rain during the day  0  1  0  0  1  1  4  0  0  3  2
 Overcast, wet days  0  0  0  0  1  3  0  0  0  0  0
 Wind  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Days without wind or with a slight breeze  27  30  25  26  29  26  30  29  30  24  29
 Days with a moderate or strong wind  3  0  5  4  1  4  0  1  0  6  1
 Temperature  2018  2017  2016  2015  2014  2013  2012  2011  2010  2009  2008
 Outside temperature (centigrade)  32-37  30-34  33-37  31-36  29-35  28-36  29-35  29-36  34-38  31-37  32-37
 Average temperature (centigrade)  34.4  32.8  34.5  33.7  33.5  32.5  33.0  33.7  36.2  35.3  34.2

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