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Monthly climate in Ranai, Riau Islands, Indonesia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ranai features a tropical rainforest climate (Af).Temperatures typically range between 26 °C (79 °F) and 28 °C (83 °F) through the year, but rarely can drop to 24 °C (75 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 2311 mm (91.0 inches) and receives 278 rainy days on the 1 mm (0.04 inches) threshold annually.Ranai enjoys an average of 3542 hours of sunshine throughout the year, and daylight varies from 11 hours 53 minutes to 12 hours 19 minutes per day.

Monthly average temperatures in Ranai, Riau Islands, Indonesia §

The warmest months in Ranai are May, June and July, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 26 to 27 °C (79 - 80 °F) throughout the day. On average each year, Ranai 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 Ranai, Riau Islands, 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 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)
Average high 27°C
(81°F)		 27°C
(81°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
(84°F)		 28°C
(83°F)		 27°C
(82°F)
Daily mean 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)
Average low 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)
Mean minimum 25°C
(77°F)		 25°C
(76°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)
Minimum 24°C
(76°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)

Compare climate in Ranai with other places

Compare temperature, precipitation, sunshine, UV index in Ranai, Riau Islands, Indonesia with other places around the world.

Monthly average precipitation in Ranai, Riau Islands, Indonesia §

Ranai usually has the most precipitation in October, November and December, with an average of 28 rainy days and 279 mm (11.0 inches) of precipitation per month.The driest months in Ranai are February, March and April. On average, 106 mm (4.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ranai, Riau Islands, 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) 173 (6.8) 81 (3.2) 110 (4.3) 129 (5.1) 205 (8.1) 214 (8.4) 189 (7.4) 161 (6.3) 212 (8.3) 262 (10.3) 287 (11.3) 289 (11.4)
Average precipitation days (≥ 1 mm) 21 17 18 21 27 24 22 22 22 28 28 28

Monthly sunshine hours in Ranai, Riau Islands, Indonesia §

The sunniest months in Ranai are March, May and July, when the sun shines an average of 10 hours 15 minutes a day.Least sunny months in Ranai: January, February and November receive an average of 8 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ranai, Riau Islands, 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 234 283 315 312 319 300 318 312 287 297 277 284
Mean daily daylight hours 11h 54m 11h 58m 12h 4m 12h 11m 12h 17m 12h 19m 12h 18m 12h 13m 12h 7m 12h 0m 11h 55m 11h 53m

Solar UV radiation in Ranai, Riau Islands, Indonesia §

Ranai 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.June, July and December 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 Ranai UV Index data.

Average daily maximum UV levels by month for Ranai, Riau Islands, 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 15 16 16 14 13 13 14 14 14 13 12