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Monthly climate in San Juan del Rio, Oaxaca, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Juan del Rio features a subtropical climate (Cwb).Temperatures typically range between 14 °C (58 °F) and 19 °C (67 °F) through the year, but rarely can drop to 2 °C (35 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 1490 mm (58.7 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.San Juan del Rio enjoys an average of 3444 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 San Juan del Rio, Oaxaca, Mexico §

The warmest months in San Juan del Rio are April, May and June, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 14 to 15 °C (58 - 60 °F) throughout the day. On average each year, San Juan del Rio experiences 99 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 del Rio, Oaxaca, Mexico.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 29°C
(84°F)		 32°C
(89°F)		 31°C
(89°F)		 32°C
(91°F)		 32°C
(91°F)		 29°C
(85°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(82°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(81°F)
Mean maximum 27°C
(81°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(87°F)		 30°C
(87°F)		 27°C
(80°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)
Average high 21°C
(70°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(75°F)		 23°C
(73°F)		 21°C
(71°F)		 21°C
(71°F)
Daily mean 14°C
(58°F)		 16°C
(61°F)		 17°C
(63°F)		 19°C
(66°F)		 19°C
(67°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 15°C
(60°F)		 14°C
(58°F)
Average low 9°C
(48°F)		 10°C
(50°F)		 11°C
(52°F)		 13°C
(55°F)		 14°C
(57°F)		 14°C
(58°F)		 13°C
(56°F)		 13°C
(57°F)		 14°C
(57°F)		 13°C
(56°F)		 10°C
(51°F)		 9°C
(48°F)
Mean minimum 5°C
(41°F)		 5°C
(41°F)		 6°C
(44°F)		 8°C
(48°F)		 11°C
(52°F)		 12°C
(54°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(53°F)		 10°C
(50°F)		 6°C
(44°F)		 4°C
(39°F)
Minimum 3°C
(38°F)		 3°C
(38°F)		 5°C
(40°F)		 6°C
(44°F)		 8°C
(47°F)		 10°C
(51°F)		 10°C
(51°F)		 11°C
(52°F)		 10°C
(51°F)		 7°C
(45°F)		 5°C
(41°F)		 2°C
(35°F)

Compare climate in San Juan del Rio with other places

Compare temperature, precipitation, sunshine, UV index in San Juan del Rio, Oaxaca, Mexico with other places around the world.

Monthly average precipitation in San Juan del Rio, Oaxaca, Mexico §

San Juan del Rio usually has the most precipitation in June, August and September, with an average of 25 rainy days and 284 mm (11.2 inches) of precipitation per month.The driest months in San Juan del Rio are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan del Rio, Oaxaca, Mexico.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) 13 (0.5) 11 (0.4) 17 (0.7) 55 (2.2) 148 (5.8) 285 (11.2) 182 (7.2) 272 (10.7) 294 (11.6) 170 (6.7) 32 (1.3) 11 (0.4)
Average precipitation days (≥ 1 mm) 3 3 4 9 18 23 25 27 25 18 6 3

Monthly sunshine hours in San Juan del Rio, Oaxaca, Mexico §

The sunniest months in San Juan del Rio are April, May and July, when the sun shines an average of 10 hours 16 minutes a day.Least sunny months in San Juan del Rio: January, February and June receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan del Rio, Oaxaca, Mexico.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 225 271 312 312 316 270 315 296 274 277 280 289
Mean daily daylight hours 11h 13m 11h 34m 12h 2m 12h 31m 12h 55m 13h 7m 13h 0m 12h 39m 12h 11m 11h 43m 11h 18m 11h 6m

Solar UV radiation in San Juan del Rio, Oaxaca, Mexico §

San Juan del Rio experiences the highest level of ultraviolet (UV) radiation in April, May and July, 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 San Juan del Rio UV Index data.

Average daily maximum UV levels by month for San Juan del Rio, Oaxaca, Mexico.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 15 15 15 15 14 14 13 11 9