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Monthly climate in Demta, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Demta features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (80 °F) and 27 °C (81 °F) through the year, but rarely can drop to 25 °C (76 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 3441 mm (135.5 inches) and receives 320 rainy days on the 1 mm (0.04 inches) threshold annually. Demta enjoys an average of 3045 hours of sunshine throughout the year, and daylight varies from 11 hours 58 minutes to 12 hours 14 minutes per day.

Monthly average temperatures in Demta, Indonesia

The warmest months in Demta are May, November and December, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in February, March and July, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Demta 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 Demta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)
Mean maximum28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)
Average high28°C
(82°F)		27°C
(82°F)		27°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(82°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
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)
Average low26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)
Mean minimum25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)
Minimum25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		25°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)

Compare climate in Demta with other places

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

Monthly average precipitation in Demta, Indonesia

Demta usually has the most precipitation in February, March and December, with an average of 28 rainy days and 345 mm (13.6 inches) of precipitation per month. The driest months in Demta are January, September and October. On average, 226 mm (8.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Demta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)231 (9.1)346 (13.6)347 (13.7)304 (12.0)255 (10.1)301 (11.8)312 (12.3)268 (10.6)211 (8.3)235 (9.3)290 (11.4)340 (13.4)
Average precipitation days (≥ 1 mm)232629272826242825282729

Monthly sunshine hours in Demta, Indonesia

The sunniest months in Demta are August, September and October, when the sun shines an average of 9 hours 0 minutes a day. Least sunny months in Demta: January, February and November receive an average of 7 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Demta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours223232250240269254254280272275239253
Mean daily daylight hours12h 13m12h 10m12h 6m12h 2m11h 59m11h 58m11h 59m12h 1m12h 4m12h 8m12h 12m12h 14m

Solar UV radiation in Demta, Indonesia

Demta experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. June, July and November are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 14. For more detailed information, check out our hourly Demta UV Index data.

Average daily maximum UV levels by month for Demta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151717161412121415151414