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Monthly climate in Istmina, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Istmina features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (79 °F) and 27 °C (81 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 8296 mm (326.6 inches) and receives 344 rainy days on the 1 mm (0.04 inches) threshold annually. Istmina enjoys an average of 2233 hours of sunshine throughout the year, and daylight varies from 11 hours 48 minutes to 12 hours 24 minutes per day.

Monthly average temperatures in Istmina, Colombia

The warmest months in Istmina are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Istmina 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 Istmina. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		36°C
(96°F)		36°C
(98°F)		36°C
(97°F)		34°C
(94°F)		34°C
(93°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		34°C
(93°F)
Mean maximum34°C
(94°F)		34°C
(94°F)		35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		33°C
(91°F)		33°C
(92°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)
Average high31°C
(88°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)
Daily mean27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)		26°C
(80°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)
Average low23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)
Mean minimum22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(73°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Minimum22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(71°F)

Compare climate in Istmina with other places

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

Monthly average precipitation in Istmina, Colombia

Istmina usually has the most precipitation in June, August and September, with an average of 29 rainy days and 898 mm (35.4 inches) of precipitation per month. The driest months in Istmina are January, February and March. On average, 393 mm (15.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Istmina. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)344 (13.5)400 (15.7)435 (17.1)593 (23.4)817 (32.2)880 (34.7)864 (34.0)910 (35.8)903 (35.6)835 (32.9)810 (31.9)503 (19.8)
Average precipitation days (≥ 1 mm)242628293029303030302929

Monthly sunshine hours in Istmina, Colombia

The sunniest months in Istmina are January, February and March, when the sun shines an average of 7 hours 34 minutes a day. Least sunny months in Istmina: June, October and November receive an average of 5 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Istmina. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours209227251202165157171183165153159185
Mean daily daylight hours11h 50m11h 56m12h 4m12h 13m12h 21m12h 24m12h 22m12h 16m12h 7m11h 58m11h 51m11h 48m

Solar UV radiation in Istmina, Colombia

Istmina experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 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 Istmina UV Index data.

Average daily maximum UV levels by month for Istmina. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131415161413131414131311