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Monthly climate in Lontar, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lontar features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (82 °F) and 28 °C (84 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1946 mm (76.6 inches) and receives 265 rainy days on the 1 mm (0.04 inches) threshold annually. Lontar enjoys an average of 3520 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Lontar, Indonesia

The warmest months in Lontar are April, May and October, with daily mean temperatures ranging from 28 to 28 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 27 to 28 °C (82 - 82 °F) throughout the day. On average each year, Lontar 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 Lontar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		32°C
(89°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)
Mean maximum32°C
(89°F)		32°C
(89°F)		32°C
(91°F)		32°C
(91°F)		32°C
(91°F)		32°C
(89°F)		31°C
(88°F)		31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		33°C
(91°F)		32°C
(90°F)
Average high30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)
Daily mean28°C
(82°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(84°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)
Average low26°C
(79°F)		26°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)
Mean minimum25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)
Minimum24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)

Compare climate in Lontar with other places

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

Monthly average precipitation in Lontar, Indonesia

Lontar usually has the most precipitation in February, March and December, with an average of 27 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Lontar are July, August and September. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lontar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)222 (8.7)274 (10.8)247 (9.7)216 (8.5)144 (5.7)103 (4.1)60 (2.4)56 (2.2)82 (3.2)117 (4.6)182 (7.2)242 (9.5)
Average precipitation days (≥ 1 mm)242828262321141416212426

Monthly sunshine hours in Lontar, Indonesia

The sunniest months in Lontar are May, July and August, when the sun shines an average of 10 hours 8 minutes a day. Least sunny months in Lontar: January, February and December receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lontar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours226266308293308298316318306308284282
Mean daily daylight hours12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m11h 47m11h 54m12h 3m12h 13m12h 22m12h 27m

Solar UV radiation in Lontar, Indonesia

Lontar 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. June, July and August are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Lontar UV Index data.

Average daily maximum UV levels by month for Lontar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141616151211101013151514