Weather and diving conditions from Phuket dash Scuba dot Com; scuba diving Similans and Phuket Thailand with your personal divecenter on Phuket, Thailand.
Welcome to weather and diving conditions from Phuket dash Scuba dot Com (phuket-scuba.com), scuba diving Phuket Thailand

July Weather and Diving

July 2026 - 2025 - 2024 - 2023 - 2022 - 2021 - 2020 - 2019 - 2018 - 2017

Normally July has quite a few bright and sunny days, some of those partially sunny. After a nice July 2025, 2026 was again not so nice, same as July 2021-2024 but warmer. The number of real sunny days was this year a below average, but we did see quite a few days with lots of sun and a bit above average number of overcast days, some of those wet.
2024 was really hot, this year less so. But in July this year and the previous year the temperature was above average. We still can do with some cooler weather and more rain for both the land and the water though.
Just as in 2024 we saw a higher than average number of wet days, therefore also more overcast days. The number of days with a moderate or strong wind was average, with the weather affecting diving on quite a few days. We saw 10 calm days with just a slight breeze and 21 days with a moderate or strong wind. On 17 days the wind affected the diving.

In 2009 the diving boats could not go out on one day in July because of the weather conditions, in 2010 there was one day where we were limited in our destinations because of the height of the waves, in 2011 and 2012 we were also on one day limited in our destinations.
In 2013 there was one day where we could only go to our alternate destination of Coral Island and one day where we could only go to Racha Yai and Phi Phi, in 2014 on two days we could only go to Coral Island, on eight days we were otherwise limited, in 2015 on three days we could not go diving at all, on two days we were limited to Coral Island, on four days could only go to Racha Yai, on four days only to Racha Yai and Phi Phi and on one day we could not dive in the Shark Point area, in 2016 on six days we could not dive in the Shark Point area and on four days we were limited to Racha Yai.
In 2017 on five days we could not dive in the King Cruiser-Shark Point area, on two days we were limited to Racha Noi and Racha Yai and on one day to Racha Yai. In 2018 on six days there was no diving at all, on seven days we could go to Racha Yai only, on three days to Racha Noi and Racha Yai only and on four days we could not go to King Cruiser-Shark Point area.
In 2019 on four days we could not comfortably and safely go to the King Cruiser-Shark Point area, and on two days we were limited to Racha Yai. On the other days the boats could go to all destinations.
In 2020 there were most likely only two days where we would not have been able to go to the King Cruiser-Shark Point area, on all other days we would have been able to go to all destinations.
In 2021 on one day we were limited to Racha Yai, on three days to Racha Noi and Racha Yai and on seven days diving at King Cruiser/Shark Point area would have been very uncomfortable and/or not safe, last year on three days we were limited to Racha Yai, on five days to Racha Noi and Racha Yai and on six days diving in the King Cruiser area would have been unsafe.
In 2023 on three days we were limited to Racha Yai, on twelve days to Racha Noi and Racha Yai and on three days diving in the King Cruiser area would have been unsafe.
In 2024 on only one day we were limited to Racha Yai, on three days to Racha Noi and Racha Yai and on three more days diving in the King Cruiser area would have been unsafe.
Last year on three days we were limited to Racha Yai, on nine days to Racha Noi and Racha Yai and on twelve more days diving in the King Cruiser area would have been unsafe.
This year on three days we were limited to Racha Yai, on seven days to Racha Noi and Racha Yai and on seven more days diving in the King Cruiser area would have been unsafe.

 Sun  2026  2025  2024  2023 2022  2021  2020  2019  2018  2017
 Sunny days, dry  3  6  6  1  5  7  6  14  9  4
 Sunny days, rain in the evening  0  1  1  0  5  0  2  3  1  2
 Partially sunny/cloudy, dry  12  13  4  7  5  6  3  6  9  13
 Partially sunny/cloudy, rain in the evening  2  0  5  5  4  1  8  2  2  1
 Partially sunny/cloudy, some rain during the day  2  2  2  11  8  3  6  1  6  9
 Overcast days, dry  1  0  1  0  0  4  1  0  0  0
 Overcast days with rain in the evening  0  1  2  0  1  3  0  0  1  1
 Overcast days with some rain during the day  5  5  7  3  1  2  4  1  1  1
 Overcast, wet days  6  3  3  4  2  5  1  4  2  0
 Wind  2026  2025  2024  2023  2022  2021  2020  2019  2018  2017
 Days without wind or with a slight breeze  10  6  14  5  16  17  28  22  8  18
 Days with a moderate or strong wind  21  25  17  26  15  14  3  9  23  13
 Temperature  226  2025  2024  2023  2022  2021  2020  2019  2018  2017
 Outside temperature (centigrade)  28-35  29-35  28-35  28-35  28-35  28-35  29-34  28-35  28-34  29-34
 Average temperature (centigrade)  32.9  33.0  31.8  31.1  32.3  32.3  31.9  32.8  32.3  32.0

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phuket-scuba.com, Your personal Dive Center on Phuket Thailand, TAT/OTD-no. 34/00245