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Monthly climate in Santiago, Ilocos, Philippines

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Santiago features a tropical monsoon climate (Am).Temperatures typically range between 25 °C (77 °F) and 27 °C (82 °F) through the year, but rarely can drop to 18 °C (65 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 2851 mm (112.3 inches) and receives 239 rainy days on the 1 mm (0.04 inches) threshold annually.Santiago enjoys an average of 3319 hours of sunshine throughout the year, and daylight varies from 11 hours 6 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in Santiago, Ilocos, Philippines §

The warmest months in Santiago are May, June and October, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 26 °C (77 - 79 °F) throughout the day. On average each year, Santiago 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 Santiago, Ilocos, Philippines.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 30°C
(87°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 30°C
(87°F)		 32°C
(89°F)		 31°C
(88°F)		 32°C
(90°F)		 31°C
(88°F)
Mean maximum 30°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(85°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(87°F)
Average high 28°C
(82°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°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 mean 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)
Average low 23°C
(73°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)
Mean minimum 20°C
(69°F)		 20°C
(68°F)		 21°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(71°F)
Minimum 20°C
(67°F)		 18°C
(65°F)		 21°C
(69°F)		 21°C
(71°F)		 23°C
(74°F)		 24°C
(75°F)		 23°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 21°C
(70°F)		 21°C
(71°F)		 21°C
(70°F)

Compare climate in Santiago with other places

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

Monthly average precipitation in Santiago, Ilocos, Philippines §

Santiago usually has the most precipitation in June, July and August, with an average of 29 rainy days and 511 mm (20.1 inches) of precipitation per month.The driest months in Santiago are February, March and April. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santiago, Ilocos, Philippines.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 78 (3.1) 43 (1.7) 32 (1.3) 57 (2.2) 170 (6.7) 390 (15.3) 586 (23.1) 556 (21.9) 384 (15.1) 315 (12.4) 168 (6.6) 73 (2.9)
Average precipitation days (≥ 1 mm) 9 8 10 18 25 28 30 29 28 23 19 12

Monthly sunshine hours in Santiago, Ilocos, Philippines §

The sunniest months in Santiago are March, April and May, when the sun shines an average of 10 hours 15 minutes a day.Least sunny months in Santiago: January, July and August receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santiago, Ilocos, Philippines.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 240 275 315 312 315 278 250 239 260 276 269 283
Mean daily daylight hours 11h 12m 11h 33m 12h 2m 12h 31m 12h 55m 13h 7m 13h 1m 12h 40m 12h 12m 11h 43m 11h 18m 11h 6m

Solar UV radiation in Santiago, Ilocos, Philippines §

Santiago experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Santiago UV Index data.

Average daily maximum UV levels by month for Santiago, Ilocos, Philippines.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 13 14 14 13 13 14 14 14 13 10 9