Ruteng weather by month & the best time to visit
Indonesia · beach resort · tropical monsoon climate

The best time to visit Ruteng is August — its sunniest month (Sunshine Score 91/100), with July and June close behind. Ruteng averages about 2,814 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 26 mm of rain in August.
When is the best time to visit Ruteng?
For sunshine, the best time to visit Ruteng is August, then July and June. The dullest month is January (68/100, 316 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ruteng?
Ruteng gets a lot of sun: around 2,814 hours a year. August (91/100) is noticeably better than January (68). It ranks #13 of 119 destinations in Indonesia for annual sunshine, above the national median of 2,183 hours. Rain has a clear season: the wettest stretch, around January, carries about 44% of the annual 2,242 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 68 | 23° / 73°F | 18° / 64°F | 316 mm | 12 | 31° / 88°F |
| February | 68 | 23° / 73°F | 18° / 64°F | 302 mm | 12 | 31° / 88°F |
| March | 68 | 23° / 73°F | 18° / 64°F | 325 mm | 13 | 31° / 88°F |
| April | 68 | 23° / 73°F | 17° / 63°F | 247 mm | 12 | 30° / 86°F |
| May | 71 | 23° / 73°F | 17° / 63°F | 136 mm | 10 | 27° / 81°F |
| June | 86 | 23° / 73°F | 16° / 61°F | 51 mm | 9 | 27° / 81°F |
| July | 89 | 23° / 73°F | 15° / 59°F | 34 mm | 10 | 26° / 79°F |
| August | 91 | 24° / 75°F | 15° / 59°F | 26 mm | 11 | 26° / 79°F |
| September | 82 | 26° / 79°F | 16° / 61°F | 74 mm | 13 | 28° / 82°F |
| October | 73 | 27° / 81°F | 17° / 63°F | 124 mm | 13 | 29° / 84°F |
| November | 68 | 26° / 79°F | 18° / 64°F | 246 mm | 13 | 30° / 86°F |
| December | 68 | 24° / 75°F | 18° / 64°F | 361 mm | 12 | 30° / 86°F |
Sea temperature in Ruteng by month
The sea off Ruteng is warmest in January at around 31°C / 88°F, and coolest in July at 26°C / 79°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
Ruteng: questions and answers
What kind of destination is Ruteng?
Ruteng is a beach resort in Indonesia at 1,136 m elevation with a tropical monsoon climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Ruteng get a year?
Ruteng gets about 2,814 hours of sunshine a year, at its best around August.
When is the best time to visit Ruteng?
The sunniest time to visit Ruteng is August, when the Sunshine Score peaks at 91/100 (with July and June close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Ruteng?
January is the least sunny month in Ruteng, scoring 68/100 with about 316 mm of rain.
What is the sea temperature in Ruteng?
The sea in Ruteng ranges from about 26°C (July) to 31°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Ruteng?
The typical midday UV index in Ruteng peaks around 13 (extreme) in March, easing to about 9 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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