Holiday Weather

Koh tao: Annual Weather Averages

April is the hottest month in Koh tao with an average temperature of 84°F (29°C) and the coldest is January at 79°F (26°C) with the most daily sunshine hours at 8 in April. The wettest month is November with an average of 463mm of rain. The best month to swim in the sea is in April when the average sea temperature is 86°F (30°C).

Average Temperature: Koh tao

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26 26 27 29 29 28 28 28 28 27 26 26
°F 78 79 81 84 84 82 82 82 82 80 79 78

Average High/Low Temperature: Koh tao

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 29 29 30 32 32 31 31 31 31 30 29 29
High °F 84 84 86 90 90 88 88 88 88 86 84 84
Low °C 22 23 24 25 25 24 24 24 24 23 23 22
Low °F 72 73 75 77 77 75 75 75 75 73 73 72

Average Rainfall: Koh tao

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 123 39 54 85 172 118 146 167 141 275 463 188
Days 9 4 4 8 17 16 16 16 18 20 20 15

Average Daily Sunshine Hours: Koh tao

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 7 8 8 8 6 6 6 6 6 6 6 7

Average Sea Temperature: Koh tao

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28 28 29 30 30 30 29 29 29 29 29 28

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