nomadseason

Monthly climate in Mertani, East Java, Indonesia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mertani 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 32 °C (90 °F).The average annual precipitation amounts to about 1744 mm (68.7 inches) and receives 205 rainy days on the 1 mm (0.04 inches) threshold annually.Mertani enjoys an average of 3482 hours of sunshine throughout the year, and daylight varies from 11 hours 42 minutes to 12 hours 30 minutes per day.

Monthly average temperatures in Mertani, East Java, Indonesia §

The warmest months in Mertani are May, October and November, with daily mean temperatures ranging from 28 to 28 °C (83 - 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, Mertani 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 Mertani, 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 31°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(89°F)		 31°C
(89°F)		 31°C
(89°F)		 31°C
(87°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(90°F)
Mean maximum 31°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(87°F)		 31°C
(87°F)		 31°C
(89°F)		 32°C
(89°F)		 31°C
(89°F)		 31°C
(89°F)
Average high 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)
Daily mean 27°C
(82°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)
Average low 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(80°F)
Mean minimum 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°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)		 26°C
(78°F)		 25°C
(78°F)
Minimum 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°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
(78°F)		 25°C
(78°F)

Compare climate in Mertani with other places

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

Monthly average precipitation in Mertani, East Java, Indonesia §

Mertani usually has the most precipitation in February, March and December, with an average of 28 rainy days and 276 mm (10.9 inches) of precipitation per month.The driest months in Mertani are July, August and September. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mertani, 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) 257 (10.1) 295 (11.6) 262 (10.3) 177 (7.0) 78 (3.1) 69 (2.7) 19 (0.7) 13 (0.5) 23 (0.9) 86 (3.4) 193 (7.6) 271 (10.7)
Average precipitation days (≥ 1 mm) 25 27 29 24 13 11 3 3 4 13 25 28

Monthly sunshine hours in Mertani, East Java, Indonesia §

The sunniest months in Mertani are July, August and October, when the sun shines an average of 10 hours 5 minutes a day.Least sunny months in Mertani: January, February and November receive an average of 8 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mertani, 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 221 271 303 290 303 292 313 316 306 308 275 278
Mean daily daylight hours 12h 28m 12h 18m 12h 7m 11h 55m 11h 46m 11h 42m 11h 44m 11h 52m 12h 3m 12h 14m 12h 25m 12h 30m

Solar UV radiation in Mertani, East Java, Indonesia §

Mertani experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 14 - 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 12. For more detailed information, check out our hourly Mertani UV Index data.

Average daily maximum UV levels by month for Mertani, 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 14 13 10 11 12 14 14 14 13