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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 (81 °F) and 28 °C (82 °F) through the year, but rarely can drop to 25 °C (77 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2459 mm (96.8 inches) and receives 272 rainy days on the 1 mm (0.04 inches) threshold annually. Lontar enjoys an average of 3382 hours of sunshine throughout the year, and daylight varies from 11 hours 53 minutes to 12 hours 19 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 (82 - 82 °F) throughout the day. The coldest temperatures usually occur in February, July and August, when daily mean temperatures range from 27 to 27 °C (81 - 81 °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
Maximum30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)
Mean maximum29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)
Average high28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		29°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
(83°F)
Daily mean27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)
Average low26°C
(80°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)
Mean minimum25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(78°F)		25°C
(78°F)
Minimum25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		26°C
(78°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°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 March, June and December, with an average of 26 rainy days and 285 mm (11.2 inches) of precipitation per month. The driest months in Lontar are August, September and October. On average, 101 mm (4.0 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)239 (9.4)240 (9.5)247 (9.7)221 (8.7)222 (8.7)267 (10.5)161 (6.3)93 (3.7)111 (4.4)99 (3.9)217 (8.5)342 (13.5)
Average precipitation days (≥ 1 mm)232629252522201615172529

Monthly sunshine hours in Lontar, Indonesia

The sunniest months in Lontar are July, August and October, when the sun shines an average of 9 hours 48 minutes a day. Least sunny months in Lontar: January, February and December receive an average of 8 hours 10 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 hours222260288282293282299306298306280262
Mean daily daylight hours12h 18m12h 13m12h 6m12h 0m11h 55m11h 53m11h 54m11h 58m12h 4m12h 10m12h 16m12h 19m

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 December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. 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)151616151412121314151413