Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Santo Tomas features a cold semi-arid climate (BSk).Temperatures typically range between 6 °C (43 °F) and 22 °C (71 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 566 mm (22.3 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually.Santo Tomas enjoys an average of 3585 hours of sunshine throughout the year, and daylight varies from 10 hours 20 minutes to 13 hours 55 minutes per day.
The warmest months in Santo Tomas are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (43 - 46 °F) throughout the day. On average each year, Santo Tomas experiences 116 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 22°C (73°F) | 25°C (77°F) | 27°C (81°F) | 30°C (87°F) | 33°C (91°F) | 36°C (96°F) | 32°C (90°F) | 32°C (90°F) | 30°C (86°F) | 28°C (82°F) | 25°C (78°F) | 21°C (70°F) |
Mean maximum | 20°C (68°F) | 22°C (71°F) | 25°C (78°F) | 28°C (83°F) | 31°C (88°F) | 34°C (93°F) | 31°C (88°F) | 29°C (85°F) | 28°C (82°F) | 26°C (80°F) | 24°C (75°F) | 20°C (68°F) |
Average high | 15°C (59°F) | 16°C (62°F) | 20°C (68°F) | 24°C (75°F) | 27°C (81°F) | 30°C (86°F) | 27°C (80°F) | 26°C (79°F) | 25°C (77°F) | 23°C (74°F) | 20°C (68°F) | 15°C (59°F) |
Daily mean | 6°C (43°F) | 8°C (46°F) | 11°C (52°F) | 15°C (59°F) | 18°C (65°F) | 22°C (71°F) | 19°C (67°F) | 19°C (66°F) | 17°C (63°F) | 15°C (59°F) | 11°C (51°F) | 6°C (44°F) |
Average low | -2°C (30°F) | -0°C (32°F) | 2°C (37°F) | 6°C (42°F) | 9°C (48°F) | 13°C (56°F) | 13°C (56°F) | 13°C (56°F) | 11°C (52°F) | 8°C (46°F) | 3°C (37°F) | -1°C (31°F) |
Mean minimum | -7°C (20°F) | -5°C (23°F) | -4°C (25°F) | -0°C (32°F) | 4°C (39°F) | 9°C (49°F) | 11°C (53°F) | 10°C (50°F) | 7°C (45°F) | -1°C (31°F) | -3°C (27°F) | -6°C (21°F) |
Minimum | -8°C (19°F) | -6°C (21°F) | -5°C (23°F) | -1°C (30°F) | 2°C (35°F) | 8°C (47°F) | 11°C (51°F) | 8°C (46°F) | 6°C (43°F) | -5°C (23°F) | -6°C (21°F) | -7°C (20°F) |
Compare temperature, precipitation, sunshine, UV index in Santo Tomas, Chihuahua, Mexico with other places around the world.
Santo Tomas usually has the most precipitation in July, August and September, with an average of 17 rainy days and 139 mm (5.5 inches) of precipitation per month.The driest months in Santo Tomas are January, April and May. On average, 7 mm (0.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 13 (0.5) | 15 (0.6) | 16 (0.6) | 2 (0.1) | 6 (0.2) | 30 (1.2) | 190 (7.5) | 151 (5.9) | 76 (3.0) | 30 (1.2) | 21 (0.8) | 16 (0.6) |
Average precipitation days (≥ 1 mm) | 2 | 3 | 4 | 0 | 1 | 5 | 20 | 20 | 12 | 5 | 2 | 3 |
The sunniest months in Santo Tomas are April, May and June, when the sun shines an average of 11 hours 29 minutes a day.Least sunny months in Santo Tomas: January, February and December receive an average of 8 hours 7 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 219 | 257 | 299 | 331 | 367 | 347 | 325 | 316 | 298 | 298 | 262 | 262 |
Mean daily daylight hours | 10h 32m | 11h 10m | 12h 0m | 12h 52m | 13h 34m | 13h 55m | 13h 44m | 13h 6m | 12h 17m | 11h 26m | 10h 42m | 10h 20m |
Santo Tomas experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 13 - 14, 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 Santo Tomas UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 6 | 9 | 11 | 13 | 13 | 14 | 13 | 13 | 12 | 10 | 8 | 6 |