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Monthly climate in Union Choco, Panama

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Union Choco features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (77 °F) and 26 °C (79 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 3120 mm (122.8 inches) and receives 303 rainy days on the 1 mm (0.04 inches) threshold annually. Union Choco enjoys an average of 2966 hours of sunshine throughout the year, and daylight varies from 11 hours 39 minutes to 12 hours 34 minutes per day.

Monthly average temperatures in Union Choco, Panama

The warmest months in Union Choco are February, March and April, with daily mean temperatures ranging from 26 to 26 °C (78 - 79 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Union Choco experiences 328 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 Union Choco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		34°C
(93°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		32°C
(90°F)
Average high30°C
(86°F)		31°C
(88°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		30°C
(86°F)
Daily mean25°C
(77°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°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)		25°C
(78°F)
Average low22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Mean minimum20°C
(68°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		21°C
(70°F)		20°C
(69°F)
Minimum19°C
(67°F)		19°C
(67°F)		20°C
(67°F)		21°C
(69°F)		20°C
(69°F)		20°C
(69°F)		21°C
(69°F)		21°C
(69°F)		20°C
(68°F)		20°C
(67°F)		21°C
(69°F)		19°C
(67°F)

Compare climate in Union Choco with other places

Compare temperature, precipitation, sunshine, UV index in Union Choco, Panama with other places around the world.

Monthly average precipitation in Union Choco, Panama

Union Choco usually has the most precipitation in July, September and October, with an average of 30 rainy days and 394 mm (15.5 inches) of precipitation per month. The driest months in Union Choco are January, February and March. On average, 69 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Union Choco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)71 (2.8)34 (1.3)102 (4.0)216 (8.5)374 (14.7)373 (14.7)408 (16.1)373 (14.7)387 (15.2)386 (15.2)259 (10.2)136 (5.4)
Average precipitation days (≥ 1 mm)151017273129303030302826

Monthly sunshine hours in Union Choco, Panama

The sunniest months in Union Choco are February, March and December, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Union Choco: May, June and July receive an average of 6 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Union Choco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours255297310263211203220223228223240288
Mean daily daylight hours11h 41m11h 51m12h 4m12h 17m12h 28m12h 34m12h 31m12h 21m12h 8m11h 55m11h 44m11h 39m

Solar UV radiation in Union Choco, Panama

Union Choco experiences the highest level of ultraviolet (UV) radiation in April, May and September, 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 Very High / 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 Union Choco UV Index data.

Average daily maximum UV levels by month for Union Choco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121314151513131314131210