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Monthly climate in San Juan, Central Luzon, Philippines

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Juan 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 20 °C (68 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 2909 mm (114.5 inches) and receives 210 rainy days on the 1 mm (0.04 inches) threshold annually.San Juan enjoys an average of 3262 hours of sunshine throughout the year, and daylight varies from 11 hours 13 minutes to 13 hours 0 minutes per day.

Monthly average temperatures in San Juan, Central Luzon, Philippines §

The warmest months in San Juan are April, May and June, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and August, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, San Juan 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 San Juan, Central Luzon, 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 31°C
(87°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(89°F)		 32°C
(90°F)		 31°C
(88°F)
Mean maximum 30°C
(87°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(91°F)		 33°C
(92°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 31°C
(88°F)		 31°C
(87°F)
Average high 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)
Daily mean 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(80°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)
Average low 23°C
(74°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)
Mean minimum 21°C
(71°F)		 21°C
(70°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(78°F)		 25°C
(78°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)
Minimum 21°C
(69°F)		 20°C
(68°F)		 22°C
(72°F)		 23°C
(73°F)		 25°C
(76°F)		 25°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)

Compare climate in San Juan with other places

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

Monthly average precipitation in San Juan, Central Luzon, Philippines §

San Juan usually has the most precipitation in July, August and September, with an average of 29 rainy days and 587 mm (23.1 inches) of precipitation per month.The driest months in San Juan are January, February and March. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan, Central Luzon, 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) 36 (1.4) 27 (1.1) 37 (1.4) 52 (2.1) 140 (5.5) 419 (16.5) 659 (25.9) 680 (26.8) 420 (16.5) 243 (9.6) 130 (5.1) 65 (2.6)
Average precipitation days (≥ 1 mm) 4 5 6 11 23 28 30 29 28 23 13 10

Monthly sunshine hours in San Juan, Central Luzon, Philippines §

The sunniest months in San Juan are March, April and May, when the sun shines an average of 10 hours 12 minutes a day.Least sunny months in San Juan: January, July and August receive an average of 7 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan, Central Luzon, 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 240 276 314 309 314 270 240 225 247 266 271 284
Mean daily daylight hours 11h 19m 11h 37m 12h 2m 12h 28m 12h 49m 13h 0m 12h 54m 12h 36m 12h 11m 11h 46m 11h 24m 11h 13m

Solar UV radiation in San Juan, Central Luzon, Philippines §

San Juan 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 / 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 San Juan UV Index data.

Average daily maximum UV levels by month for San Juan, Central Luzon, 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) 11 13 14 14 14 14 14 14 14 13 10 10