Monthly climate in Sumber, East Java, Indonesia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sumber features a tropical monsoon climate (Am). Temperatures typically range between 27 °C (81 °F) and 28 °C (83 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 1766 mm (69.5 inches) and receives 206 rainy days on the 1 mm (0.04 inches) threshold annually. Sumber enjoys an average of 3500 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Sumber, East Java, Indonesia §

The warmest months in Sumber are May, October and November, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °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, Sumber 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 Sumber, East Java, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 30°C
(87°F)
30°C
(86°F)
30°C
(87°F)
31°C
(87°F)
31°C
(87°F)
30°C
(87°F)
30°C
(86°F)
31°C
(88°F)
31°C
(88°F)
31°C
(88°F)
31°C
(88°F)
31°C
(89°F)
Mean maximum 30°C
(86°F)
29°C
(85°F)
30°C
(86°F)
30°C
(87°F)
30°C
(87°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
31°C
(87°F)
31°C
(88°F)
31°C
(87°F)
31°C
(87°F)
Average high 29°C
(84°F)
28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(85°F)
30°C
(86°F)
29°C
(85°F)
29°C
(85°F)
Daily mean 27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
28°C
(82°F)
28°C
(83°F)
28°C
(82°F)
27°C
(81°F)
27°C
(81°F)
27°C
(82°F)
28°C
(82°F)
28°C
(82°F)
27°C
(82°F)
Average low 26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(80°F)
27°C
(80°F)
26°C
(79°F)
25°C
(78°F)
25°C
(77°F)
26°C
(78°F)
26°C
(79°F)
26°C
(80°F)
26°C
(79°F)
Mean minimum 25°C
(78°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
26°C
(79°F)
25°C
(77°F)
24°C
(75°F)
24°C
(75°F)
24°C
(76°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
Minimum 25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
25°C
(78°F)
24°C
(75°F)
23°C
(74°F)
23°C
(73°F)
24°C
(75°F)
25°C
(77°F)
25°C
(77°F)
25°C
(78°F)

Compare climate in Sumber with other places

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

Monthly average precipitation in Sumber, East Java, Indonesia §

Sumber usually has the most precipitation in January, February and December, with an average of 26 rainy days and 284 mm (11.2 inches) of precipitation per month. The driest months in Sumber are July, August and September. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumber, East Java, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 282 (11.1) 292 (11.5) 250 (9.9) 171 (6.7) 94 (3.7) 78 (3.1) 24 (0.9) 13 (0.5) 25 (1.0) 69 (2.7) 191 (7.5) 277 (10.9)
Average precipitation days (≥ 1 mm) 25 27 29 24 14 13 4 4 5 12 22 27

Monthly sunshine hours in Sumber, East Java, Indonesia §

The sunniest months in Sumber are July, August and October, when the sun shines an average of 10 hours 7 minutes a day. Least sunny months in Sumber: January, February and November 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 Sumber, East Java, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 222 274 305 291 305 293 314 316 306 309 277 281
Mean daily daylight hours 12h 27m 12h 18m 12h 7m 11h 56m 11h 47m 11h 43m 11h 45m 11h 52m 12h 3m 12h 14m 12h 24m 12h 29m

Solar UV radiation in Sumber, East Java, Indonesia §

Sumber experiences the highest level of ultraviolet (UV) radiation in February, March and September, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / 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 Sumber UV Index data.

Average daily maximum UV levels by month for Sumber, East Java, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 16 15 13 13 10 11 13 14 14 14 14

Detailed Monthly Weather Insights for Sumber, East Java, Indonesia

Discover in-depth weather details for every month in Sumber. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Sumber's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.