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Monthly climate in Rantau Prapat, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rantau Prapat features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 2833 mm (111.5 inches) and receives 305 rainy days on the 1 mm (0.04 inches) threshold annually. Rantau Prapat enjoys an average of 3361 hours of sunshine throughout the year, and daylight varies from 11 hours 59 minutes to 12 hours 14 minutes per day.

Monthly average temperatures in Rantau Prapat, Indonesia

The warmest months in Rantau Prapat are April, May and June, with daily mean temperatures ranging from 28 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Rantau Prapat 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 Rantau Prapat. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)		34°C
(94°F)		36°C
(96°F)		36°C
(96°F)		35°C
(95°F)		35°C
(96°F)		35°C
(96°F)		36°C
(97°F)		35°C
(95°F)		36°C
(96°F)		34°C
(94°F)		34°C
(94°F)
Mean maximum34°C
(93°F)		33°C
(92°F)		34°C
(94°F)		35°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)		33°C
(92°F)
Average high31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		31°C
(88°F)
Daily mean27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)
Average low24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)
Mean minimum23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Minimum21°C
(70°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)

Compare climate in Rantau Prapat with other places

Compare temperature, precipitation, sunshine, UV index in Rantau Prapat, Indonesia with other places around the world.

Monthly average precipitation in Rantau Prapat, Indonesia

Rantau Prapat usually has the most precipitation in September, November and December, with an average of 28 rainy days and 323 mm (12.7 inches) of precipitation per month. The driest months in Rantau Prapat are February, June and July. On average, 152 mm (6.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rantau Prapat. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)189 (7.4)138 (5.4)194 (7.6)262 (10.3)277 (10.9)178 (7.0)141 (5.5)213 (8.4)286 (11.3)273 (10.7)372 (14.7)311 (12.2)
Average precipitation days (≥ 1 mm)232525282920202328262929

Monthly sunshine hours in Rantau Prapat, Indonesia

The sunniest months in Rantau Prapat are March, July and August, when the sun shines an average of 9 hours 52 minutes a day. Least sunny months in Rantau Prapat: January, November and December receive an average of 8 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rantau Prapat. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231290308273275297306303284283238268
Mean daily daylight hours11h 59m12h 1m12h 5m12h 9m12h 12m12h 14m12h 13m12h 10m12h 6m12h 2m12h 0m11h 59m

Solar UV radiation in Rantau Prapat, Indonesia

Rantau Prapat experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. June, July and December are in the 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 Rantau Prapat UV Index data.

Average daily maximum UV levels by month for Rantau Prapat. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131415151412121415141312