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Monthly climate in Diffun, Cagayan Valley, Philippines

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Diffun features a tropical rainforest climate (Af).Temperatures typically range between 22 °C (73 °F) and 29 °C (84 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 2466 mm (97.1 inches) and receives 240 rainy days on the 1 mm (0.04 inches) threshold annually.Diffun enjoys an average of 3128 hours of sunshine throughout the year, and daylight varies from 11 hours 9 minutes to 13 hours 4 minutes per day.

Monthly average temperatures in Diffun, Cagayan Valley, Philippines §

The warmest months in Diffun are May, June and July, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 22 to 23 °C (73 - 74 °F) throughout the day. On average each year, Diffun experiences 294 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 Diffun, Cagayan Valley, 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
(88°F)		 31°C
(89°F)		 32°C
(90°F)		 35°C
(95°F)		 37°C
(100°F)		 40°C
(104°F)		 37°C
(99°F)		 38°C
(100°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(89°F)
Mean maximum 30°C
(86°F)		 30°C
(86°F)		 32°C
(90°F)		 33°C
(92°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(96°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(89°F)		 30°C
(86°F)
Average high 26°C
(78°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(87°F)		 33°C
(92°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(79°F)
Daily mean 22°C
(73°F)		 23°C
(73°F)		 25°C
(76°F)		 26°C
(79°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(80°F)		 25°C
(78°F)		 25°C
(77°F)		 23°C
(74°F)
Average low 20°C
(68°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(72°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)
Mean minimum 17°C
(62°F)		 16°C
(62°F)		 18°C
(64°F)		 20°C
(68°F)		 22°C
(71°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(73°F)		 22°C
(72°F)		 20°C
(68°F)		 20°C
(69°F)		 19°C
(66°F)
Minimum 14°C
(58°F)		 15°C
(59°F)		 16°C
(60°F)		 17°C
(63°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 17°C
(62°F)		 19°C
(66°F)		 17°C
(63°F)

Compare climate in Diffun with other places

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

Monthly average precipitation in Diffun, Cagayan Valley, Philippines §

Diffun usually has the most precipitation in October, November and December, with an average of 25 rainy days and 317 mm (12.5 inches) of precipitation per month.The driest months in Diffun are March, April and June. On average, 91 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Diffun, Cagayan Valley, 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) 174 (6.9) 128 (5.0) 94 (3.7) 61 (2.4) 210 (8.3) 117 (4.6) 267 (10.5) 245 (9.6) 218 (8.6) 296 (11.7) 297 (11.7) 358 (14.1)
Average precipitation days (≥ 1 mm) 18 14 14 13 15 20 24 23 24 25 25 25

Monthly sunshine hours in Diffun, Cagayan Valley, Philippines §

The sunniest months in Diffun are March, May and June, when the sun shines an average of 9 hours 51 minutes a day.Least sunny months in Diffun: January, November and December receive an average of 6 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Diffun, Cagayan Valley, 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 182 233 292 291 308 304 287 265 266 254 233 206
Mean daily daylight hours 11h 14m 11h 35m 12h 2m 12h 30m 12h 53m 13h 4m 12h 59m 12h 38m 12h 12m 11h 44m 11h 20m 11h 9m

Solar UV radiation in Diffun, Cagayan Valley, Philippines §

Diffun experiences the highest level of ultraviolet (UV) radiation in March, April and August, 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 Diffun UV Index data.

Average daily maximum UV levels by month for Diffun, Cagayan Valley, 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 15 15 14 14 15 15 14 13 11 10