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Monthly climate in Harrison, Philippines

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Harrison 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 22 °C (72 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 3210 mm (126.4 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Harrison enjoys an average of 3363 hours of sunshine throughout the year, and daylight varies from 11 hours 20 minutes to 12 hours 53 minutes per day.

Monthly average temperatures in Harrison, Philippines

The warmest months in Harrison are April, May and June, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Harrison 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 Harrison. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)
Mean maximum29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		30°C
(87°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)
Average high28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)
Daily mean26°C
(79°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)
Average low24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		26°C
(78°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		25°C
(77°F)
Mean minimum23°C
(74°F)		23°C
(73°F)		23°C
(75°F)		24°C
(76°F)		25°C
(78°F)		25°C
(77°F)		25°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)
Minimum22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		24°C
(75°F)		25°C
(77°F)		25°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(73°F)

Compare climate in Harrison with other places

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

Monthly average precipitation in Harrison, Philippines

Harrison usually has the most precipitation in July, August and September, with an average of 28 rainy days and 609 mm (24.0 inches) of precipitation per month. The driest months in Harrison are February, March and April. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harrison. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)22 (0.9)20 (0.8)29 (1.1)150 (5.9)437 (17.2)765 (30.1)543 (21.4)520 (20.5)359 (14.1)163 (6.4)155 (6.1)
Average precipitation days (≥ 1 mm)53362128302827221211

Monthly sunshine hours in Harrison, Philippines

The sunniest months in Harrison are March, April and May, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in Harrison: January, August and September receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harrison. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240278316314325288257256250271277285
Mean daily daylight hours11h 25m11h 41m12h 2m12h 25m12h 44m12h 53m12h 48m12h 32m12h 10m11h 48m11h 29m11h 20m

Solar UV radiation in Harrison, Philippines

Harrison experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 15 - 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 11. For more detailed information, check out our hourly Harrison UV Index data.

Average daily maximum UV levels by month for Harrison. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111315151414141515131110