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Monthly climate in San Pedro Viejo, Sonora, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification San Pedro Viejo features a hot semi-arid climate (BSh). Temperatures typically range between 18 °C (64 °F) and 32 °C (89 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 334 mm (13.1 inches) and receives 41 rainy days on the 1 mm (0.04 inches) threshold annually. San Pedro Viejo enjoys an average of 3597 hours of sunshine throughout the year, and daylight varies from 10 hours 27 minutes to 13 hours 47 minutes per day.

Monthly average temperatures in San Pedro Viejo, Sonora, Mexico §

The warmest months in San Pedro Viejo are June, July and August, with daily mean temperatures ranging from 30 to 32 °C (87 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, San Pedro Viejo experiences 306 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 Pedro Viejo, Sonora, 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 34°C
(93°F)		 35°C
(96°F)		 36°C
(97°F)		 39°C
(102°F)		 43°C
(110°F)		 43°C
(110°F)		 42°C
(108°F)		 42°C
(108°F)		 43°C
(109°F)		 42°C
(108°F)		 39°C
(103°F)		 32°C
(91°F)
Mean maximum 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 38°C
(101°F)		 39°C
(102°F)		 41°C
(106°F)		 41°C
(105°F)		 41°C
(106°F)		 39°C
(103°F)		 41°C
(106°F)		 38°C
(100°F)		 31°C
(88°F)
Average high 27°C
(80°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(91°F)		 35°C
(95°F)		 37°C
(98°F)		 37°C
(99°F)		 37°C
(98°F)		 36°C
(97°F)		 36°C
(97°F)		 32°C
(90°F)		 27°C
(81°F)
Daily mean 18°C
(64°F)		 19°C
(66°F)		 21°C
(70°F)		 24°C
(75°F)		 27°C
(80°F)		 30°C
(87°F)		 32°C
(89°F)		 31°C
(89°F)		 30°C
(87°F)		 28°C
(83°F)		 24°C
(75°F)		 19°C
(66°F)
Average low 10°C
(51°F)		 11°C
(53°F)		 13°C
(56°F)		 16°C
(60°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(78°F)		 22°C
(72°F)		 16°C
(62°F)		 12°C
(54°F)
Mean minimum 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(53°F)		 15°C
(59°F)		 20°C
(67°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(73°F)		 16°C
(60°F)		 12°C
(53°F)		 7°C
(45°F)
Minimum 4°C
(39°F)		 3°C
(38°F)		 6°C
(44°F)		 10°C
(51°F)		 13°C
(57°F)		 17°C
(63°F)		 23°C
(74°F)		 23°C
(74°F)		 19°C
(67°F)		 11°C
(52°F)		 10°C
(50°F)		 5°C
(42°F)

Compare climate in San Pedro Viejo with other places

Compare temperature, precipitation, sunshine, UV index in San Pedro Viejo, Sonora, Mexico with other places around the world.

Monthly average precipitation in San Pedro Viejo, Sonora, Mexico §

San Pedro Viejo usually has the most precipitation in July, August and September, with an average of 10 rainy days and 74 mm (2.9 inches) of precipitation per month. The driest months in San Pedro Viejo 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 Pedro Viejo, Sonora, 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) 15 (0.6) 9 (0.4) 6 (0.2) 0 (0.0) 0 (0.0) 18 (0.7) 58 (2.3) 90 (3.5) 76 (3.0) 17 (0.7) 28 (1.1) 19 (0.7)
Average precipitation days (≥ 1 mm) 1 1 1 0 0 1 9 11 11 2 2 2

Monthly sunshine hours in San Pedro Viejo, Sonora, Mexico §

The sunniest months in San Pedro Viejo are May, June and July, when the sun shines an average of 11 hours 29 minutes a day. Least sunny months in San Pedro Viejo: January, February and December receive an average of 8 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Pedro Viejo, Sonora, 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 219 252 295 325 365 356 335 322 296 302 264 262
Mean daily daylight hours 10h 39m 11h 14m 12h 1m 12h 48m 13h 28m 13h 47m 13h 37m 13h 1m 12h 16m 11h 28m 10h 48m 10h 27m

Solar UV radiation in San Pedro Viejo, Sonora, Mexico §

San Pedro Viejo experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly San Pedro Viejo UV Index data.

Average daily maximum UV levels by month for San Pedro Viejo, Sonora, 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) 6 8 10 12 12 12 12 12 11 9 7 5

Detailed Monthly Weather Insights for San Pedro Viejo, Sonora, Mexico

Discover in-depth weather details for every month in San Pedro Viejo. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about San Pedro Viejo's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.