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Monthly climate in Rio Viejo, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Viejo features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (80 °F) and 29 °C (85 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 3089 mm (121.6 inches) and receives 228 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Viejo enjoys an average of 3376 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 36 minutes per day.

Monthly average temperatures in Rio Viejo, Colombia

The warmest months in Rio Viejo are January, February and March, with daily mean temperatures ranging from 28 to 29 °C (82 - 85 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 26 to 27 °C (80 - 81 °F) throughout the day. On average each year, Rio Viejo 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 Rio Viejo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(100°F)		38°C
(101°F)		38°C
(101°F)		36°C
(97°F)		34°C
(94°F)		34°C
(94°F)		35°C
(96°F)		35°C
(96°F)		34°C
(94°F)		35°C
(95°F)		34°C
(93°F)		35°C
(95°F)
Mean maximum36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		35°C
(94°F)		34°C
(94°F)		34°C
(93°F)		33°C
(91°F)		33°C
(91°F)		34°C
(93°F)
Average high33°C
(91°F)		35°C
(95°F)		34°C
(93°F)		32°C
(89°F)		31°C
(87°F)		31°C
(88°F)		32°C
(89°F)		32°C
(89°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)		32°C
(89°F)
Daily mean28°C
(82°F)		29°C
(85°F)		29°C
(84°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)		26°C
(80°F)		27°C
(81°F)
Average low23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)
Mean minimum21°C
(71°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Minimum21°C
(69°F)		21°C
(70°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)

Compare climate in Rio Viejo with other places

Compare temperature, precipitation, sunshine, UV index in Rio Viejo, Colombia with other places around the world.

Monthly average precipitation in Rio Viejo, Colombia

Rio Viejo usually has the most precipitation in May, June and September, with an average of 25 rainy days and 422 mm (16.6 inches) of precipitation per month. The driest months in Rio Viejo are January, February and December. On average, 56 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Viejo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)7 (0.3)98 (3.9)313 (12.3)516 (20.3)386 (15.2)283 (11.1)329 (13.0)363 (14.3)354 (14.0)279 (11.0)92 (3.6)
Average precipitation days (≥ 1 mm)6212232823222124282712

Monthly sunshine hours in Rio Viejo, Colombia

The sunniest months in Rio Viejo are March, July and December, when the sun shines an average of 10 hours 0 minutes a day. Least sunny months in Rio Viejo: January, April and May receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Viejo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours261303305256238264306304277267271318
Mean daily daylight hours11h 40m11h 50m12h 4m12h 18m12h 30m12h 36m12h 32m12h 22m12h 8m11h 54m11h 43m11h 37m

Solar UV radiation in Rio Viejo, Colombia

Rio Viejo experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the 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 Rio Viejo UV Index data.

Average daily maximum UV levels by month for Rio Viejo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121314151413131313131211