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Monthly climate in San Guillermo, Chihuahua, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Guillermo features a hot semi-arid climate (BSh).Temperatures typically range between 10 °C (51 °F) and 28 °C (83 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 353 mm (13.9 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually.San Guillermo enjoys an average of 3634 hours of sunshine throughout the year, and daylight varies from 10 hours 20 minutes to 13 hours 55 minutes per day.

Monthly average temperatures in San Guillermo, Chihuahua, Mexico §

The warmest months in San Guillermo are June, July and August, with daily mean temperatures ranging from 25 to 28 °C (78 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (51 - 56 °F) throughout the day. On average each year, San Guillermo experiences 211 days above 25 °C (77.0 °F) and 14 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 Guillermo, Chihuahua, 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 28°C
(82°F)		 31°C
(88°F)		 34°C
(94°F)		 34°C
(94°F)		 38°C
(101°F)		 39°C
(102°F)		 38°C
(100°F)		 37°C
(98°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 27°C
(81°F)
Mean maximum 26°C
(78°F)		 28°C
(82°F)		 31°C
(89°F)		 33°C
(92°F)		 36°C
(98°F)		 38°C
(100°F)		 36°C
(97°F)		 35°C
(94°F)		 33°C
(91°F)		 31°C
(88°F)		 28°C
(83°F)		 25°C
(78°F)
Average high 19°C
(66°F)		 21°C
(71°F)		 25°C
(78°F)		 29°C
(84°F)		 33°C
(91°F)		 34°C
(94°F)		 32°C
(89°F)		 31°C
(88°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(74°F)		 18°C
(66°F)
Daily mean 10°C
(51°F)		 13°C
(56°F)		 17°C
(63°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 26°C
(79°F)		 25°C
(78°F)		 22°C
(73°F)		 19°C
(67°F)		 15°C
(60°F)		 11°C
(51°F)
Average low 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(55°F)		 16°C
(62°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 17°C
(63°F)		 13°C
(55°F)		 8°C
(47°F)		 4°C
(39°F)
Mean minimum -4°C
(25°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(44°F)		 12°C
(53°F)		 17°C
(62°F)		 18°C
(64°F)		 17°C
(63°F)		 13°C
(57°F)		 4°C
(39°F)		 1°C
(34°F)		 -3°C
(26°F)
Minimum -5°C
(23°F)		 -5°C
(23°F)		 -0°C
(32°F)		 5°C
(41°F)		 7°C
(45°F)		 14°C
(57°F)		 17°C
(63°F)		 14°C
(57°F)		 11°C
(52°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -9°C
(16°F)

Compare climate in San Guillermo with other places

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

Monthly average precipitation in San Guillermo, Chihuahua, Mexico §

San Guillermo usually has the most precipitation in July, August and September, with an average of 11 rainy days and 77 mm (3.0 inches) of precipitation per month.The driest months in San Guillermo are February, March and April. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Guillermo, Chihuahua, 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) 6 (0.2) 5 (0.2) 4 (0.2) 5 (0.2) 6 (0.2) 30 (1.2) 79 (3.1) 66 (2.6) 87 (3.4) 34 (1.3) 14 (0.6) 18 (0.7)
Average precipitation days (≥ 1 mm) 1 1 1 1 1 4 12 10 13 5 2 2

Monthly sunshine hours in San Guillermo, Chihuahua, Mexico §

The sunniest months in San Guillermo are May, June and July, when the sun shines an average of 11 hours 39 minutes a day.Least sunny months in San Guillermo: January, February and November receive an average of 8 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Guillermo, Chihuahua, 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 220 258 301 323 364 353 354 341 294 289 263 265
Mean daily daylight hours 10h 32m 11h 10m 12h 0m 12h 52m 13h 34m 13h 55m 13h 43m 13h 6m 12h 17m 11h 26m 10h 42m 10h 20m

Solar UV radiation in San Guillermo, Chihuahua, Mexico §

San Guillermo experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 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 Guillermo UV Index data.

Average daily maximum UV levels by month for San Guillermo, Chihuahua, 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 9 11 13 13 13 13 13 12 10 8 6