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Monthly climate in Guarumal, Panama

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guarumal features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (79 °F) and 29 °C (85 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 2809 mm (110.6 inches) and receives 255 rainy days on the 1 mm (0.04 inches) threshold annually. Guarumal enjoys an average of 3203 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 Guarumal, Panama

The warmest months in Guarumal are February, March and April, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °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 - 80 °F) throughout the day. On average each year, Guarumal 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 Guarumal. 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)		35°C
(96°F)		35°C
(96°F)		32°C
(90°F)		32°C
(90°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		31°C
(88°F)		33°C
(91°F)
Mean maximum33°C
(92°F)		34°C
(93°F)		35°C
(94°F)		34°C
(94°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		31°C
(88°F)
Average high31°C
(88°F)		33°C
(91°F)		33°C
(92°F)		31°C
(89°F)		30°C
(86°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 mean28°C
(82°F)		29°C
(84°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)
Average low24°C
(76°F)		25°C
(77°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
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)
Mean minimum23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°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)
Minimum22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		22°C
(71°F)		23°C
(73°F)		23°C
(73°F)

Compare climate in Guarumal with other places

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

Monthly average precipitation in Guarumal, Panama

Guarumal usually has the most precipitation in August, October and November, with an average of 29 rainy days and 396 mm (15.6 inches) of precipitation per month. The driest months in Guarumal are January, February and March. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guarumal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)33 (1.3)17 (0.7)11 (0.4)137 (5.4)342 (13.4)308 (12.1)334 (13.1)354 (13.9)328 (12.9)444 (17.5)389 (15.3)114 (4.5)
Average precipitation days (≥ 1 mm)732182930303030302818

Monthly sunshine hours in Guarumal, Panama

The sunniest months in Guarumal are March, April and December, when the sun shines an average of 10 hours 31 minutes a day. Least sunny months in Guarumal: August, September and October receive an average of 7 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guarumal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260301340311253241237227236225252315
Mean daily daylight hours11h 41m11h 51m12h 4m12h 18m12h 29m12h 35m12h 32m12h 21m12h 8m11h 55m11h 43m11h 38m

Solar UV radiation in Guarumal, Panama

Guarumal 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 Guarumal UV Index data.

Average daily maximum UV levels by month for Guarumal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121314151413141314141211