Last updated: May 6, 2024
Under the Köppen–Geiger climate classification San Isidro features a cold desert climate (BWk).Temperatures typically range between 8 °C (46 °F) and 29 °C (85 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 196 mm (7.7 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually.San Isidro enjoys an average of 3648 hours of sunshine throughout the year, and daylight varies from 10 hours 6 minutes to 14 hours 9 minutes per day.
The warmest months in San Isidro are June, July and August, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 11 °C (46 - 52 °F) throughout the day. On average each year, San Isidro experiences 185 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (76°F) | 29°C (84°F) | 33°C (91°F) | 34°C (94°F) | 38°C (100°F) | 42°C (108°F) | 42°C (107°F) | 40°C (105°F) | 37°C (100°F) | 34°C (94°F) | 29°C (85°F) | 25°C (77°F) |
Mean maximum | 22°C (72°F) | 24°C (76°F) | 30°C (87°F) | 33°C (92°F) | 36°C (98°F) | 39°C (103°F) | 40°C (104°F) | 38°C (101°F) | 36°C (97°F) | 33°C (91°F) | 27°C (82°F) | 22°C (72°F) |
Average high | 15°C (59°F) | 18°C (65°F) | 23°C (73°F) | 27°C (82°F) | 32°C (90°F) | 36°C (97°F) | 35°C (95°F) | 35°C (95°F) | 32°C (89°F) | 26°C (80°F) | 21°C (70°F) | 15°C (60°F) |
Daily mean | 8°C (46°F) | 11°C (52°F) | 16°C (60°F) | 21°C (69°F) | 25°C (77°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 25°C (78°F) | 20°C (68°F) | 14°C (57°F) | 9°C (48°F) |
Average low | 2°C (36°F) | 4°C (40°F) | 8°C (47°F) | 13°C (56°F) | 17°C (63°F) | 22°C (72°F) | 23°C (74°F) | 23°C (73°F) | 19°C (67°F) | 13°C (56°F) | 7°C (46°F) | 3°C (38°F) |
Mean minimum | -5°C (24°F) | -4°C (25°F) | 0°C (33°F) | 6°C (42°F) | 10°C (51°F) | 16°C (61°F) | 19°C (67°F) | 19°C (66°F) | 14°C (58°F) | 3°C (37°F) | -0°C (32°F) | -4°C (26°F) |
Minimum | -5°C (23°F) | -10°C (14°F) | -2°C (28°F) | 3°C (38°F) | 4°C (40°F) | 13°C (56°F) | 19°C (66°F) | 17°C (63°F) | 10°C (50°F) | -2°C (28°F) | -4°C (25°F) | -5°C (23°F) |
Compare temperature, precipitation, sunshine, UV index in San Isidro, Chihuahua, Mexico with other places around the world.
San Isidro usually has the most precipitation in July, August and September, with an average of 5 rainy days and 26 mm (1.0 inches) of precipitation per month.The driest months in San Isidro are February, April and May. On average, 6 mm (0.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 12 (0.5) | 11 (0.4) | 18 (0.7) | 4 (0.2) | 3 (0.1) | 18 (0.7) | 27 (1.0) | 28 (1.1) | 24 (1.0) | 21 (0.8) | 12 (0.5) | 17 (0.7) |
Average precipitation days (≥ 1 mm) | 2 | 2 | 2 | 1 | 1 | 3 | 7 | 5 | 4 | 3 | 1 | 3 |
The sunniest months in San Isidro are May, June and July, when the sun shines an average of 11 hours 55 minutes a day.Least sunny months in San Isidro: January, February and December receive an average of 7 hours 48 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 210 | 251 | 293 | 328 | 370 | 361 | 365 | 345 | 309 | 295 | 267 | 249 |
Mean daily daylight hours | 10h 20m | 11h 4m | 12h 0m | 12h 58m | 13h 46m | 14h 9m | 13h 56m | 13h 13m | 12h 18m | 11h 21m | 10h 31m | 10h 6m |
San Isidro experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 13 - 13, 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 6. For more detailed information, check out our hourly San Isidro UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 5 | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 9 | 6 | 5 |