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Monthly climate in Alamos, Sonora, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Alamos features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 17 °C (63 °F) and 30 °C (86 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 557 mm (21.9 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually. Alamos enjoys an average of 3563 hours of sunshine throughout the year, and daylight varies from 10 hours 27 minutes to 13 hours 48 minutes per day.

Monthly average temperatures in Alamos, Sonora, Mexico §

The warmest months in Alamos are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (84 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Alamos experiences 304 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alamos, Sonora, 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 34°C
(93°F)		 35°C
(95°F)		 36°C
(98°F)		 39°C
(103°F)		 43°C
(109°F)		 44°C
(111°F)		 41°C
(105°F)		 40°C
(105°F)		 40°C
(104°F)		 41°C
(105°F)		 39°C
(102°F)		 32°C
(90°F)
Mean maximum 31°C
(89°F)		 33°C
(92°F)		 35°C
(96°F)		 39°C
(102°F)		 40°C
(104°F)		 41°C
(106°F)		 39°C
(103°F)		 38°C
(101°F)		 37°C
(99°F)		 39°C
(102°F)		 36°C
(98°F)		 31°C
(88°F)
Average high 26°C
(80°F)		 27°C
(81°F)		 30°C
(87°F)		 33°C
(92°F)		 36°C
(97°F)		 37°C
(100°F)		 35°C
(95°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(94°F)		 31°C
(89°F)		 27°C
(80°F)
Daily mean 17°C
(63°F)		 18°C
(65°F)		 21°C
(70°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(80°F)		 22°C
(72°F)		 18°C
(64°F)
Average low 9°C
(49°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(59°F)		 18°C
(65°F)		 23°C
(74°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(74°F)		 20°C
(68°F)		 14°C
(58°F)		 10°C
(51°F)
Mean minimum 4°C
(39°F)		 6°C
(43°F)		 7°C
(46°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(69°F)		 13°C
(56°F)		 10°C
(49°F)		 6°C
(42°F)
Minimum 1°C
(34°F)		 1°C
(34°F)		 5°C
(41°F)		 8°C
(48°F)		 13°C
(55°F)		 17°C
(63°F)		 22°C
(71°F)		 21°C
(71°F)		 17°C
(63°F)		 8°C
(46°F)		 7°C
(45°F)		 2°C
(36°F)

Compare climate in Alamos with other places

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

Monthly average precipitation in Alamos, Sonora, Mexico §

Alamos usually has the most precipitation in July, August and September, with an average of 17 rainy days and 131 mm (5.2 inches) of precipitation per month. The driest months in Alamos are March, April and May. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alamos, Sonora, 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) 17 (0.7) 18 (0.7) 10 (0.4) 0 (0.0) 0 (0.0) 31 (1.2) 152 (6.0) 142 (5.6) 100 (3.9) 23 (0.9) 40 (1.6) 23 (0.9)
Average precipitation days (≥ 1 mm) 2 3 1 0 0 2 20 17 14 2 2 2

Monthly sunshine hours in Alamos, Sonora, Mexico §

The sunniest months in Alamos are April, May and June, when the sun shines an average of 11 hours 28 minutes a day. Least sunny months in Alamos: January, February and December receive an average of 8 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alamos, Sonora, 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 218 250 293 325 366 353 323 311 291 302 264 262
Mean daily daylight hours 10h 38m 11h 14m 12h 1m 12h 48m 13h 28m 13h 48m 13h 37m 13h 2m 12h 16m 11h 28m 10h 47m 10h 27m

Solar UV radiation in Alamos, Sonora, Mexico §

Alamos 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 Alamos UV Index data.

Average daily maximum UV levels by month for Alamos, Sonora, 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 8 10 12 12 12 12 12 11 9 7 5

Detailed Monthly Weather Insights for Alamos, Sonora, Mexico

Discover in-depth weather details for every month in Alamos. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Alamos's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.