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Monthly climate in Passo, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Passo features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 24 °C (75 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2200 mm (86.6 inches) and receives 279 rainy days on the 1 mm (0.04 inches) threshold annually. Passo enjoys an average of 3353 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 19 minutes per day.

Monthly average temperatures in Passo, Indonesia

The warmest months in Passo are January, February and December, with daily mean temperatures ranging from 28 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, Passo 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 Passo. 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)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)
Mean maximum29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		27°C
(82°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)
Average high28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		27°C
(82°F)		28°C
(83°F)		28°C
(83°F)
Daily mean28°C
(82°F)		28°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(82°F)		28°C
(82°F)
Average low27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(80°F)
Mean minimum26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		26°C
(78°F)		26°C
(79°F)
Minimum25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		25°C
(78°F)		26°C
(78°F)

Compare climate in Passo with other places

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

Monthly average precipitation in Passo, Indonesia

Passo usually has the most precipitation in May, June and July, with an average of 28 rainy days and 287 mm (11.3 inches) of precipitation per month. The driest months in Passo are August, October and November. On average, 105 mm (4.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Passo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)146 (5.7)133 (5.2)217 (8.5)229 (9.0)310 (12.2)293 (11.5)260 (10.2)121 (4.8)130 (5.1)88 (3.5)106 (4.2)168 (6.6)
Average precipitation days (≥ 1 mm)192124242928282421181825

Monthly sunshine hours in Passo, Indonesia

The sunniest months in Passo are August, October and November, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Passo: January, February and June receive an average of 8 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Passo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours235266289279275271281298278299289287
Mean daily daylight hours12h 17m12h 12m12h 6m12h 0m11h 55m11h 54m11h 54m11h 58m12h 4m12h 10m12h 16m12h 19m

Solar UV radiation in Passo, Indonesia

Passo experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. May, June and July 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 Passo UV Index data.

Average daily maximum UV levels by month for Passo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151616161312121415151514