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Monthly climate in San Mariano, Philippines

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Mariano features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (77 °F) and 28 °C (82 °F) through the year, but rarely can drop to 20 °C (68 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 3135 mm (123.4 inches) and receives 287 rainy days on the 1 mm (0.04 inches) threshold annually. San Mariano enjoys an average of 3330 hours of sunshine throughout the year, and daylight varies from 11 hours 22 minutes to 12 hours 51 minutes per day.

Monthly average temperatures in San Mariano, Philippines

The warmest months in San Mariano are May, June and August, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 25 to 26 °C (77 - 78 °F) throughout the day. On average each year, San Mariano experiences 326 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 Mariano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		30°C
(86°F)		31°C
(89°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		31°C
(88°F)
Mean maximum30°C
(86°F)		29°C
(85°F)		31°C
(87°F)		32°C
(89°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		30°C
(87°F)
Average high27°C
(82°F)		28°C
(82°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)
Daily mean25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)		26°C
(78°F)
Average low23°C
(74°F)		23°C
(73°F)		23°C
(75°F)		24°C
(76°F)		25°C
(77°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
(75°F)
Mean minimum22°C
(71°F)		21°C
(70°F)		22°C
(72°F)		22°C
(73°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(75°F)		23°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)
Minimum21°C
(70°F)		20°C
(68°F)		20°C
(69°F)		22°C
(71°F)		23°C
(74°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)		22°C
(72°F)

Compare climate in San Mariano with other places

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

Monthly average precipitation in San Mariano, Philippines

San Mariano usually has the most precipitation in July, September and December, with an average of 27 rainy days and 404 mm (15.9 inches) of precipitation per month. The driest months in San Mariano are February, March and April. On average, 118 mm (4.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Mariano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)251 (9.9)164 (6.5)108 (4.3)82 (3.2)190 (7.5)226 (8.9)380 (15.0)294 (11.6)362 (14.2)345 (13.6)263 (10.3)471 (18.5)
Average precipitation days (≥ 1 mm)222118172625292225282628

Monthly sunshine hours in San Mariano, Philippines

The sunniest months in San Mariano are March, April and May, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in San Mariano: January, September and December receive an average of 8 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Mariano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours217267309310319293273276261266269264
Mean daily daylight hours11h 27m11h 42m12h 3m12h 24m12h 42m12h 51m12h 46m12h 30m12h 10m11h 49m11h 31m11h 22m

Solar UV radiation in San Mariano, Philippines

San Mariano experiences the highest level of ultraviolet (UV) radiation in April, August 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 San Mariano UV Index data.

Average daily maximum UV levels by month for San Mariano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121315161414141515141111