Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Surabaya, Lampung, Indonesia with other places around the world.
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.
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 |
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.
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 |
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.
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 |