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Monthly climate in San Bartolo, Panama

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Bartolo features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (77 °F) and 27 °C (80 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 2503 mm (98.6 inches) and receives 221 rainy days on the 1 mm (0.04 inches) threshold annually. San Bartolo enjoys an average of 3029 hours of sunshine throughout the year, and daylight varies from 11 hours 38 minutes to 12 hours 35 minutes per day.

Monthly average temperatures in San Bartolo, Panama

The warmest months in San Bartolo are February, March and April, with daily mean temperatures ranging from 26 to 27 °C (79 - 80 °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, San Bartolo 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 San Bartolo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		35°C
(95°F)		34°C
(94°F)		36°C
(98°F)		35°C
(95°F)		34°C
(93°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)
Mean maximum32°C
(89°F)		33°C
(92°F)		34°C
(93°F)		35°C
(95°F)		33°C
(91°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(89°F)		31°C
(89°F)		31°C
(89°F)
Average high30°C
(86°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(85°F)		29°C
(84°F)		29°C
(84°F)		30°C
(86°F)
Daily mean25°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(80°F)		26°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
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°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)
Mean minimum20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		22°C
(71°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)
Minimum19°C
(67°F)		20°C
(68°F)		20°C
(69°F)		20°C
(69°F)		21°C
(69°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		21°C
(69°F)		20°C
(69°F)		20°C
(69°F)		20°C
(68°F)

Compare climate in San Bartolo with other places

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

Monthly average precipitation in San Bartolo, Panama

San Bartolo usually has the most precipitation in September, October and November, with an average of 27 rainy days and 353 mm (13.9 inches) of precipitation per month. The driest months in San Bartolo are January, February and March. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Bartolo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)32 (1.3)7 (0.3)6 (0.3)96 (3.8)322 (12.7)296 (11.7)310 (12.2)294 (11.6)334 (13.2)366 (14.4)360 (14.2)80 (3.1)
Average precipitation days (≥ 1 mm)41012272927292929259

Monthly sunshine hours in San Bartolo, Panama

The sunniest months in San Bartolo are March, April and December, when the sun shines an average of 10 hours 10 minutes a day. Least sunny months in San Bartolo: June, July and August receive an average of 6 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Bartolo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours254299335300228212210207216224239300
Mean daily daylight hours11h 41m11h 51m12h 4m12h 18m12h 29m12h 35m12h 32m12h 21m12h 8m11h 55m11h 43m11h 38m

Solar UV radiation in San Bartolo, Panama

San Bartolo 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 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 San Bartolo UV Index data.

Average daily maximum UV levels by month for San Bartolo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121314151513141314141211