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Monthly climate in Monterrey, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Monterrey features a hot semi-arid climate (BSh).Temperatures typically range between 14 °C (58 °F) and 28 °C (83 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 554 mm (21.8 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually.Monterrey enjoys an average of 3529 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 42 minutes per day.

Monthly average temperatures in Monterrey, Mexico §

The warmest months in Monterrey are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 16 °C (58 - 62 °F) throughout the day. On average each year, Monterrey experiences 233 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Monterrey, 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 33°C
(91°F)		 35°C
(95°F)		 35°C
(95°F)		 39°C
(102°F)		 40°C
(105°F)		 39°C
(103°F)		 38°C
(100°F)		 38°C
(100°F)		 37°C
(99°F)		 36°C
(97°F)		 32°C
(90°F)		 33°C
(92°F)
Mean maximum 30°C
(86°F)		 33°C
(91°F)		 34°C
(94°F)		 37°C
(99°F)		 37°C
(99°F)		 37°C
(99°F)		 37°C
(99°F)		 36°C
(98°F)		 35°C
(96°F)		 34°C
(94°F)		 31°C
(88°F)		 30°C
(87°F)
Average high 20°C
(68°F)		 23°C
(73°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 34°C
(94°F)		 30°C
(87°F)		 28°C
(82°F)		 24°C
(75°F)		 22°C
(71°F)
Daily mean 14°C
(58°F)		 16°C
(62°F)		 20°C
(69°F)		 23°C
(73°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 26°C
(78°F)		 22°C
(72°F)		 18°C
(65°F)		 16°C
(61°F)
Average low 9°C
(49°F)		 11°C
(52°F)		 15°C
(59°F)		 18°C
(64°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 21°C
(71°F)		 18°C
(64°F)		 13°C
(56°F)		 11°C
(51°F)
Mean minimum 2°C
(36°F)		 3°C
(38°F)		 8°C
(46°F)		 10°C
(51°F)		 17°C
(62°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)		 18°C
(64°F)		 9°C
(49°F)		 6°C
(42°F)		 3°C
(38°F)
Minimum -2°C
(29°F)		 -3°C
(27°F)		 3°C
(38°F)		 7°C
(44°F)		 15°C
(59°F)		 18°C
(65°F)		 20°C
(68°F)		 20°C
(68°F)		 16°C
(61°F)		 7°C
(45°F)		 0°C
(32°F)		 1°C
(34°F)

Compare climate in Monterrey with other places

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

Monthly average precipitation in Monterrey, Mexico §

Monterrey usually has the most precipitation in May, July and September, with an average of 8 rainy days and 82 mm (3.2 inches) of precipitation per month.The driest months in Monterrey are February, August and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monterrey, 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) 28 (1.1) 20 (0.8) 36 (1.4) 48 (1.9) 72 (2.8) 56 (2.2) 71 (2.8) 9 (0.3) 104 (4.1) 52 (2.0) 31 (1.2) 26 (1.0)
Average precipitation days (≥ 1 mm) 4 4 7 7 10 7 6 2 10 8 6 4

Monthly sunshine hours in Monterrey, Mexico §

The sunniest months in Monterrey are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Monterrey: January, February and November receive an average of 8 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monterrey, 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 207 254 294 302 335 342 339 346 282 292 264 266
Mean daily daylight hours 10h 43m 11h 17m 12h 1m 12h 46m 13h 24m 13h 42m 13h 32m 12h 58m 12h 15m 11h 30m 10h 52m 10h 33m

Solar UV radiation in Monterrey, Mexico §

Monterrey experiences the highest level of ultraviolet (UV) radiation in April, May 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 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 Monterrey UV Index data.

Average daily maximum UV levels by month for Monterrey, 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) 7 9 11 13 13 13 13 12 12 11 8 6