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Monthly climate in Bayan, West Nusa Tenggara, Indonesia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bayan features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (77 °F) and 27 °C (81 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 2343 mm (92.2 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually.Bayan enjoys an average of 3519 hours of sunshine throughout the year, and daylight varies from 11 hours 38 minutes to 12 hours 34 minutes per day.

Monthly average temperatures in Bayan, West Nusa Tenggara, Indonesia §

The warmest months in Bayan are May, October and November, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in February, July and August, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, Bayan 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 Bayan, West Nusa Tenggara, 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
(88°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 33°C
(91°F)
Mean maximum 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(87°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(87°F)
Average high 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(85°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)
Daily mean 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)
Mean minimum 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(71°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)
Minimum 23°C
(73°F)		 23°C
(73°F)		 22°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(69°F)		 19°C
(67°F)		 19°C
(67°F)		 20°C
(68°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(73°F)

Compare climate in Bayan with other places

Compare temperature, precipitation, sunshine, UV index in Bayan, West Nusa Tenggara, Indonesia with other places around the world.

Monthly average precipitation in Bayan, West Nusa Tenggara, Indonesia §

Bayan usually has the most precipitation in January, February and March, with an average of 27 rainy days and 457 mm (18.0 inches) of precipitation per month.The driest months in Bayan are July, August and September. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bayan, West Nusa Tenggara, 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) 438 (17.2) 478 (18.8) 455 (17.9) 183 (7.2) 53 (2.1) 27 (1.1) 8 (0.3) 4 (0.2) 12 (0.5) 23 (0.9) 261 (10.3) 399 (15.7)
Average precipitation days (≥ 1 mm) 25 27 30 19 8 7 2 1 1 4 17 28

Monthly sunshine hours in Bayan, West Nusa Tenggara, Indonesia §

The sunniest months in Bayan are May, August and October, when the sun shines an average of 10 hours 6 minutes a day.Least sunny months in Bayan: January, February and December receive an average of 8 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayan, West Nusa Tenggara, 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 228 270 292 294 308 295 308 310 305 319 293 290
Mean daily daylight hours 12h 31m 12h 21m 12h 7m 11h 54m 11h 43m 11h 38m 11h 40m 11h 50m 12h 2m 12h 16m 12h 28m 12h 34m

Solar UV radiation in Bayan, West Nusa Tenggara, Indonesia §

Bayan experiences the highest level of ultraviolet (UV) radiation in February, March and April, 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 Bayan UV Index data.

Average daily maximum UV levels by month for Bayan, West Nusa Tenggara, 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 16 16 15 13 11 12 13 15 15 15 15