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Monthly climate in Biga, Philippines

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Biga features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (79 °F) and 28 °C (82 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 33 °C (93 °F). The average annual precipitation amounts to about 2530 mm (99.6 inches) and receives 286 rainy days on the 1 mm (0.04 inches) threshold annually. Biga enjoys an average of 3180 hours of sunshine throughout the year, and daylight varies from 11 hours 38 minutes to 12 hours 34 minutes per day.

Monthly average temperatures in Biga, Philippines

The warmest months in Biga 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 March, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Biga 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 Biga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		31°C
(87°F)		31°C
(89°F)		32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		33°C
(93°F)		33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		32°C
(90°F)
Mean maximum30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(89°F)		32°C
(90°F)		32°C
(89°F)		32°C
(91°F)		33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		31°C
(88°F)
Average high28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		31°C
(87°F)		30°C
(87°F)		30°C
(87°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(85°F)		29°C
(84°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(80°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
(81°F)		27°C
(81°F)		26°C
(80°F)
Average low24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		24°C
(76°F)
Mean minimum23°C
(73°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)
Minimum22°C
(72°F)		21°C
(69°F)		22°C
(71°F)		22°C
(71°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(75°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		22°C
(71°F)

Compare climate in Biga with other places

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

Monthly average precipitation in Biga, Philippines

Biga usually has the most precipitation in May, June and October, with an average of 26 rainy days and 263 mm (10.4 inches) of precipitation per month. The driest months in Biga are February, March and April. On average, 137 mm (5.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Biga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)209 (8.2)184 (7.3)133 (5.2)95 (3.7)256 (10.1)274 (10.8)242 (9.5)205 (8.1)235 (9.3)260 (10.2)203 (8.0)234 (9.2)
Average precipitation days (≥ 1 mm)232220182626232225282627

Monthly sunshine hours in Biga, Philippines

The sunniest months in Biga are March, April and May, when the sun shines an average of 9 hours 35 minutes a day. Least sunny months in Biga: January, September and October receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Biga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213260294294292266263266254247259265
Mean daily daylight hours11h 41m11h 51m12h 3m12h 17m12h 29m12h 34m12h 31m12h 21m12h 8m11h 55m11h 44m11h 38m

Solar UV radiation in Biga, Philippines

Biga experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure. June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Biga UV Index data.

Average daily maximum UV levels by month for Biga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131416161413131414141211