Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in San Pedro Viejo, Sonora, Mexico with other places around the world.
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.
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 |
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.
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 |
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 6 | 8 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |