Ranong weather by month & the best time to visit
Thailand · beach resort · tropical monsoon climate
The best time to visit Ranong is February — its sunniest month (Sunshine Score 86/100), with January close behind. Ranong averages about 2,111 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 29 mm of rain in February.
When is the best time to visit Ranong?
For sunshine, the best time to visit Ranong is February, then January. The dullest month is April (63/100, 115 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ranong?
Ranong gets a moderate 2,111 hours of sunshine a year. February (86/100) is noticeably better than April (63). It ranks #21 of 24 destinations in Thailand for annual sunshine, below the national median of 2,329 hours. Rain has a clear season: the wettest stretch, around August, carries about 41% of the annual 2,718 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 76 | 28° / 82°F | 22° / 72°F | 83 mm | 9 | 30° / 86°F |
| February | 86 | 30° / 86°F | 22° / 72°F | 29 mm | 11 | 30° / 86°F |
| March | 74 | 32° / 90°F | 24° / 75°F | 92 mm | 11 | 32° / 90°F |
| April | 63 | 33° / 91°F | 25° / 77°F | 115 mm | 11 | 33° / 91°F |
| May | 64 | 30° / 86°F | 25° / 77°F | 309 mm | 9 | 33° / 91°F |
| June | 64 | 29° / 84°F | 25° / 77°F | 345 mm | 9 | 30° / 86°F |
| July | 64 | 28° / 82°F | 24° / 75°F | 378 mm | 8 | 29° / 84°F |
| August | 64 | 28° / 82°F | 24° / 75°F | 362 mm | 9 | 31° / 88°F |
| September | 64 | 28° / 82°F | 24° / 75°F | 367 mm | 9 | 29° / 84°F |
| October | 64 | 28° / 82°F | 24° / 75°F | 307 mm | 9 | 30° / 86°F |
| November | 64 | 28° / 82°F | 24° / 75°F | 205 mm | 8 | 30° / 86°F |
| December | 68 | 28° / 82°F | 23° / 73°F | 126 mm | 8 | 29° / 84°F |
Sea temperature in Ranong by month
The sea off Ranong is warmest in April at around 33°C / 91°F, and coolest in July at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Ranong: questions and answers
What kind of destination is Ranong?
Ranong is a beach resort in Thailand with a tropical monsoon climate — the sea reaches 33°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Ranong get a year?
Ranong gets about 2,111 hours of sunshine a year, at its best around February.
When is the best time to visit Ranong?
The sunniest time to visit Ranong is February, when the Sunshine Score peaks at 86/100 (with January close behind). Expect daytime highs around 30°C / 86°F.
What is the least sunny month in Ranong?
April is the least sunny month in Ranong, scoring 63/100 with about 115 mm of rain.
What is the sea temperature in Ranong?
The sea in Ranong ranges from about 29°C (July) to 33°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Ranong?
The typical midday UV index in Ranong peaks around 11 (extreme) in February, easing to about 8 (very high) in July. Month-by-month midday UV values are in the UV column of the table on this page.
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