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Monthly climate in Surabaya, Lampung, Indonesia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Surabaya features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2747 mm (108.2 inches) and receives 280 rainy days on the 1 mm (0.04 inches) threshold annually. Surabaya enjoys an average of 3453 hours of sunshine throughout the year, and daylight varies from 11 hours 50 minutes to 12 hours 22 minutes per day.

Monthly average temperatures in Surabaya, Lampung, Indonesia §

The warmest months in Surabaya are May, October and November, 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 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Surabaya 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 Surabaya, Lampung, 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 35°C
(95°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(92°F)		 35°C
(95°F)		 37°C
(99°F)		 35°C
(96°F)
Mean maximum 34°C
(93°F)		 33°C
(92°F)		 34°C
(94°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(91°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(94°F)
Average high 31°C
(89°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(89°F)
Daily mean 27°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
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)
Average low 24°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)
Mean minimum 23°C
(74°F)		 23°C
(74°F)		 23°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 23°C
(75°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(75°F)		 24°C
(75°F)
Minimum 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)

Compare climate in Surabaya with other places

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

Monthly average precipitation in Surabaya, Lampung, Indonesia §

Surabaya usually has the most precipitation in February, March and December, with an average of 28 rainy days and 361 mm (14.2 inches) of precipitation per month. The driest months in Surabaya are July, August and September. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Surabaya, Lampung, 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) 325 (12.8) 418 (16.4) 318 (12.5) 242 (9.5) 198 (7.8) 107 (4.2) 77 (3.0) 97 (3.8) 118 (4.6) 250 (9.8) 340 (13.4)
Average precipitation days (≥ 1 mm) 23 26 30 28 28 24 18 17 15 19 23 29

Monthly sunshine hours in Surabaya, Lampung, Indonesia §

The sunniest months in Surabaya are July, August and October, when the sun shines an average of 10 hours 10 minutes a day. Least sunny months in Surabaya: January, February and November receive an average of 8 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Surabaya, Lampung, 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 222 260 296 284 297 293 314 320 307 311 270 273
Mean daily daylight hours 12h 20m 12h 14m 12h 6m 11h 59m 11h 53m 11h 50m 11h 52m 11h 56m 12h 4m 12h 11m 12h 18m 12h 22m

Solar UV radiation in Surabaya, Lampung, Indonesia §

Surabaya experiences the highest level of ultraviolet (UV) radiation in March, April and November, when the maximum UV index can reach values of 15 - 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 Surabaya UV Index data.

Average daily maximum UV levels by month for Surabaya, Lampung, 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) 15 15 16 15 13 11 12 13 14 15 15 14

Detailed Monthly Weather Insights for Surabaya, Lampung, Indonesia

Discover in-depth weather details for every month in Surabaya. 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 Surabaya'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.