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Monthly climate in San Juan, Sinaloa, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Juan features a tropical savanna climate (As).Temperatures typically range between 17 °C (63 °F) and 26 °C (78 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 870 mm (34.2 inches) and receives 95 rainy days on the 1 mm (0.04 inches) threshold annually.San Juan enjoys an average of 3502 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 34 minutes per day.

Monthly average temperatures in San Juan, Sinaloa, Mexico §

The warmest months in San Juan are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, San Juan experiences 296 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, Sinaloa, 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 31°C
(87°F)		 31°C
(89°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(97°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)
Mean maximum 30°C
(86°F)		 30°C
(87°F)		 32°C
(89°F)		 33°C
(92°F)		 34°C
(94°F)		 34°C
(94°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 32°C
(89°F)		 31°C
(88°F)		 29°C
(85°F)
Average high 25°C
(78°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(87°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(79°F)
Daily mean 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 22°C
(72°F)		 24°C
(76°F)		 26°C
(78°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 21°C
(69°F)		 18°C
(64°F)
Average low 9°C
(49°F)		 10°C
(51°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(61°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(69°F)		 20°C
(68°F)		 18°C
(64°F)		 14°C
(57°F)		 11°C
(51°F)
Mean minimum 5°C
(40°F)		 6°C
(43°F)		 7°C
(45°F)		 8°C
(47°F)		 12°C
(54°F)		 17°C
(64°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(64°F)		 13°C
(56°F)		 9°C
(49°F)		 6°C
(43°F)
Minimum 1°C
(34°F)		 5°C
(41°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(52°F)		 15°C
(60°F)		 17°C
(63°F)		 18°C
(65°F)		 18°C
(64°F)		 12°C
(53°F)		 8°C
(47°F)		 4°C
(40°F)

Compare climate in San Juan with other places

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

Monthly average precipitation in San Juan, Sinaloa, Mexico §

San Juan usually has the most precipitation in July, August and September, with an average of 24 rainy days and 213 mm (8.4 inches) of precipitation per month.The driest months in San Juan are March, April and May. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan, Sinaloa, 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) 11 (0.4) 37 (1.5) 2 (0.1) 1 (0.0) 2 (0.1) 73 (2.9) 217 (8.6) 255 (10.0) 166 (6.5) 68 (2.7) 13 (0.5) 24 (0.9)
Average precipitation days (≥ 1 mm) 1 2 0 0 0 9 23 27 22 7 2 2

Monthly sunshine hours in San Juan, Sinaloa, Mexico §

The sunniest months in San Juan are April, May and June, when the sun shines an average of 11 hours 7 minutes a day.Least sunny months in San Juan: January, February and September receive an average of 8 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan, Sinaloa, 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 224 260 315 328 359 324 296 283 267 291 275 275
Mean daily daylight hours 10h 50m 11h 21m 12h 1m 12h 43m 13h 17m 13h 34m 13h 25m 12h 54m 12h 14m 11h 33m 10h 58m 10h 40m

Solar UV radiation in San Juan, Sinaloa, Mexico §

San Juan experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly San Juan UV Index data.

Average daily maximum UV levels by month for San Juan, Sinaloa, 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) 7 10 11 13 13 12 12 12 12 11 8 6