Monthly climate in El Rosario, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification El Rosario features a tropical savanna climate (As). Temperatures typically range between 21 °C (70 °F) and 23 °C (74 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 4435 mm (174.6 inches) and receives 303 rainy days on the 1 mm (0.04 inches) threshold annually. El Rosario enjoys an average of 3083 hours of sunshine throughout the year, and daylight varies from 12 hours 1 minutes to 12 hours 12 minutes per day.

Monthly average temperatures in El Rosario, Colombia

The warmest months in El Rosario are July, August and September, with daily mean temperatures ranging from 23 to 23 °C (73 - 74 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 21 to 21 °C (70 - 71 °F) throughout the day. On average each year, El Rosario experiences 264 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 El Rosario. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)
32°C
(89°F)
31°C
(87°F)
30°C
(87°F)
31°C
(89°F)
31°C
(89°F)
32°C
(90°F)
35°C
(96°F)
35°C
(96°F)
35°C
(95°F)
30°C
(86°F)
31°C
(88°F)
Mean maximum30°C
(86°F)
29°C
(84°F)
29°C
(85°F)
29°C
(85°F)
30°C
(86°F)
30°C
(85°F)
32°C
(89°F)
34°C
(93°F)
33°C
(92°F)
31°C
(88°F)
28°C
(83°F)
29°C
(84°F)
Average high26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(80°F)
27°C
(80°F)
28°C
(82°F)
29°C
(84°F)
30°C
(86°F)
29°C
(85°F)
27°C
(81°F)
26°C
(79°F)
26°C
(79°F)
Daily mean21°C
(71°F)
21°C
(71°F)
21°C
(71°F)
22°C
(71°F)
22°C
(71°F)
22°C
(72°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
22°C
(71°F)
21°C
(70°F)
21°C
(70°F)
Average low18°C
(64°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(64°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
Mean minimum15°C
(59°F)
16°C
(61°F)
16°C
(60°F)
17°C
(62°F)
17°C
(62°F)
17°C
(62°F)
16°C
(61°F)
15°C
(60°F)
16°C
(61°F)
16°C
(61°F)
16°C
(62°F)
16°C
(61°F)
Minimum12°C
(54°F)
15°C
(60°F)
14°C
(58°F)
16°C
(61°F)
16°C
(61°F)
16°C
(61°F)
15°C
(60°F)
14°C
(58°F)
15°C
(60°F)
15°C
(59°F)
15°C
(59°F)
15°C
(60°F)

Compare climate in El Rosario with other places

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

Monthly average precipitation in El Rosario, Colombia

El Rosario usually has the most precipitation in April, May and December, with an average of 28 rainy days and 485 mm (19.1 inches) of precipitation per month. The driest months in El Rosario are July, August and September. On average, 196 mm (7.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in El Rosario. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)352 (13.8)375 (14.8)442 (17.4)489 (19.3)501 (19.7)365 (14.4)190 (7.5)162 (6.4)237 (9.3)420 (16.5)439 (17.3)464 (18.3)
Average precipitation days (≥ 1 mm)232630282927161523282929

Monthly sunshine hours in El Rosario, Colombia

The sunniest months in El Rosario are July, August and September, when the sun shines an average of 9 hours 27 minutes a day. Least sunny months in El Rosario: January, April and November receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in El Rosario. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours224247252236245258282298289257222268
Mean daily daylight hours12h 1m12h 2m12h 5m12h 8m12h 11m12h 12m12h 11m12h 9m12h 6m12h 3m12h 1m12h 1m

Solar UV radiation in El Rosario, Colombia

El Rosario experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 16 - 18, 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 14. For more detailed information, check out our hourly El Rosario UV Index data.

Average daily maximum UV levels by month for El Rosario. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161618181614141515161413