Monthly climate in Rontu, West Nusa Tenggara, Indonesia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rontu features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 20 °C (68 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1969 mm (77.5 inches) and receives 177 rainy days on the 1 mm (0.04 inches) threshold annually. Rontu enjoys an average of 3511 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 35 minutes per day.

Monthly average temperatures in Rontu, West Nusa Tenggara, Indonesia §

The warmest months in Rontu are October, November and December, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Rontu experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rontu, West Nusa Tenggara, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 32°C
(89°F)
32°C
(89°F)
32°C
(89°F)
32°C
(90°F)
32°C
(89°F)
31°C
(88°F)
31°C
(88°F)
32°C
(90°F)
33°C
(91°F)
34°C
(93°F)
34°C
(93°F)
34°C
(94°F)
Mean maximum 31°C
(88°F)
31°C
(88°F)
31°C
(88°F)
31°C
(89°F)
31°C
(89°F)
30°C
(87°F)
30°C
(87°F)
31°C
(88°F)
32°C
(90°F)
33°C
(92°F)
33°C
(91°F)
32°C
(90°F)
Average high 29°C
(85°F)
29°C
(85°F)
30°C
(86°F)
30°C
(87°F)
30°C
(87°F)
30°C
(86°F)
30°C
(85°F)
30°C
(86°F)
31°C
(88°F)
32°C
(90°F)
31°C
(89°F)
30°C
(87°F)
Daily mean 27°C
(80°F)
26°C
(80°F)
27°C
(80°F)
27°C
(81°F)
27°C
(81°F)
26°C
(79°F)
25°C
(78°F)
26°C
(79°F)
27°C
(80°F)
28°C
(82°F)
28°C
(82°F)
27°C
(81°F)
Average low 25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
24°C
(75°F)
23°C
(73°F)
23°C
(73°F)
23°C
(74°F)
24°C
(76°F)
25°C
(78°F)
25°C
(77°F)
Mean minimum 24°C
(76°F)
24°C
(75°F)
24°C
(75°F)
23°C
(74°F)
23°C
(74°F)
22°C
(73°F)
21°C
(70°F)
21°C
(70°F)
22°C
(72°F)
23°C
(74°F)
24°C
(76°F)
24°C
(76°F)
Minimum 24°C
(76°F)
24°C
(75°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
21°C
(69°F)
20°C
(69°F)
20°C
(68°F)
21°C
(70°F)
22°C
(71°F)
24°C
(76°F)
24°C
(75°F)

Compare climate in Rontu with other places

Compare temperature, precipitation, sunshine, UV index in Rontu, West Nusa Tenggara, Indonesia with other places around the world.

Monthly average precipitation in Rontu, West Nusa Tenggara, Indonesia §

Rontu usually has the most precipitation in January, February and March, with an average of 27 rainy days and 356 mm (14.0 inches) of precipitation per month. The driest months in Rontu are July, August and September. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rontu, West Nusa Tenggara, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 348 (13.7) 383 (15.1) 337 (13.3) 155 (6.1) 76 (3.0) 38 (1.5) 10 (0.4) 11 (0.4) 11 (0.4) 35 (1.4) 232 (9.1) 331 (13.1)
Average precipitation days (≥ 1 mm) 25 27 30 18 9 9 2 2 3 7 18 27

Monthly sunshine hours in Rontu, West Nusa Tenggara, Indonesia §

The sunniest months in Rontu are July, August and October, when the sun shines an average of 10 hours 2 minutes a day. Least sunny months in Rontu: January, February and December receive an average of 8 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rontu, West Nusa Tenggara, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 229 266 296 293 304 295 308 313 305 313 294 289
Mean daily daylight hours 12h 32m 12h 21m 12h 7m 11h 53m 11h 42m 11h 37m 11h 40m 11h 49m 12h 2m 12h 16m 12h 29m 12h 35m

Solar UV radiation in Rontu, West Nusa Tenggara, Indonesia §

Rontu experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Rontu UV Index data.

Average daily maximum UV levels by month for Rontu, West Nusa Tenggara, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 16 16 15 12 10 12 13 15 15 15 15

Detailed Monthly Weather Insights for Rontu, West Nusa Tenggara, Indonesia

Discover in-depth weather details for every month in Rontu. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Rontu's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.