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Monthly climate in Guisijan, Philippines

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guisijan features a tropical monsoon climate (Am). Temperatures typically range between 26 °C (79 °F) and 28 °C (83 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 3465 mm (136.4 inches) and receives 244 rainy days on the 1 mm (0.04 inches) threshold annually. Guisijan enjoys an average of 3388 hours of sunshine throughout the year, and daylight varies from 11 hours 29 minutes to 12 hours 44 minutes per day.

Monthly average temperatures in Guisijan, Philippines

The warmest months in Guisijan are March, April and May, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, July and September, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Guisijan 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 Guisijan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(91°F)		34°C
(94°F)		36°C
(97°F)		37°C
(100°F)		37°C
(98°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		32°C
(91°F)		33°C
(91°F)		33°C
(91°F)		33°C
(91°F)
Mean maximum32°C
(89°F)		33°C
(92°F)		34°C
(93°F)		35°C
(95°F)		34°C
(94°F)		31°C
(88°F)		31°C
(89°F)		31°C
(89°F)		31°C
(89°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)
Average high30°C
(86°F)		31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		32°C
(89°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		30°C
(87°F)
Daily mean26°C
(79°F)		27°C
(80°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)
Average low24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)
Mean minimum22°C
(71°F)		21°C
(69°F)		22°C
(72°F)		22°C
(73°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)		23°C
(74°F)		23°C
(73°F)
Minimum20°C
(68°F)		19°C
(67°F)		20°C
(69°F)		21°C
(70°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(71°F)

Compare climate in Guisijan with other places

Compare temperature, precipitation, sunshine, UV index in Guisijan, Philippines with other places around the world.

Monthly average precipitation in Guisijan, Philippines

Guisijan usually has the most precipitation in July, August and September, with an average of 29 rainy days and 526 mm (20.7 inches) of precipitation per month. The driest months in Guisijan are February, March and April. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guisijan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)115 (4.5)74 (2.9)77 (3.0)101 (4.0)268 (10.5)400 (15.7)533 (21.0)533 (21.0)511 (20.1)455 (17.9)176 (6.9)222 (8.7)
Average precipitation days (≥ 1 mm)1187112729302928291817

Monthly sunshine hours in Guisijan, Philippines

The sunniest months in Guisijan are March, April and May, when the sun shines an average of 10 hours 16 minutes a day. Least sunny months in Guisijan: January, September and November receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guisijan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231275312313320287276280261274273281
Mean daily daylight hours11h 33m11h 46m12h 3m12h 21m12h 36m12h 44m12h 40m12h 27m12h 9m11h 52m11h 36m11h 29m

Solar UV radiation in Guisijan, Philippines

Guisijan experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 15 - 16, 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 Guisijan UV Index data.

Average daily maximum UV levels by month for Guisijan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121416161414141515141211