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Monthly climate in Altar, Sonora, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Altar features a hot semi-arid climate (BSh).Temperatures typically range between 14 °C (57 °F) and 32 °C (90 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 45 °C (113 °F).The average annual precipitation amounts to about 235 mm (9.2 inches) and receives 37 rainy days on the 1 mm (0.04 inches) threshold annually.Altar enjoys an average of 3633 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Altar, Sonora, Mexico §

The warmest months in Altar are June, July and August, with daily mean temperatures ranging from 32 to 32 °C (89 - 90 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 15 °C (57 - 59 °F) throughout the day. On average each year, Altar experiences 241 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 Altar, 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 31°C
(88°F)		 31°C
(89°F)		 36°C
(97°F)		 39°C
(102°F)		 41°C
(106°F)		 45°C
(113°F)		 45°C
(113°F)		 45°C
(112°F)		 43°C
(109°F)		 42°C
(107°F)		 38°C
(100°F)		 30°C
(85°F)
Mean maximum 28°C
(82°F)		 29°C
(84°F)		 32°C
(90°F)		 37°C
(99°F)		 39°C
(102°F)		 42°C
(108°F)		 43°C
(110°F)		 43°C
(110°F)		 41°C
(106°F)		 37°C
(100°F)		 33°C
(93°F)		 28°C
(82°F)
Average high 22°C
(71°F)		 23°C
(73°F)		 26°C
(79°F)		 31°C
(88°F)		 34°C
(93°F)		 39°C
(102°F)		 38°C
(101°F)		 39°C
(102°F)		 36°C
(98°F)		 33°C
(91°F)		 28°C
(83°F)		 22°C
(72°F)
Daily mean 14°C
(57°F)		 15°C
(59°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(86°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(58°F)
Average low 7°C
(45°F)		 8°C
(46°F)		 10°C
(51°F)		 15°C
(58°F)		 18°C
(64°F)		 23°C
(74°F)		 27°C
(81°F)		 27°C
(80°F)		 24°C
(76°F)		 18°C
(64°F)		 13°C
(55°F)		 8°C
(47°F)
Mean minimum 1°C
(34°F)		 1°C
(33°F)		 4°C
(40°F)		 9°C
(49°F)		 12°C
(55°F)		 18°C
(66°F)		 22°C
(73°F)		 24°C
(75°F)		 19°C
(67°F)		 10°C
(51°F)		 8°C
(46°F)		 2°C
(35°F)
Minimum -0°C
(32°F)		 -2°C
(29°F)		 3°C
(38°F)		 8°C
(46°F)		 11°C
(51°F)		 17°C
(62°F)		 22°C
(71°F)		 23°C
(73°F)		 14°C
(58°F)		 6°C
(43°F)		 5°C
(41°F)		 -0°C
(32°F)

Compare climate in Altar with other places

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

Monthly average precipitation in Altar, Sonora, Mexico §

Altar usually has the most precipitation in July, August and September, with an average of 8 rainy days and 41 mm (1.6 inches) of precipitation per month.The driest months in Altar are April, May and June. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Altar, 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) 22 (0.9) 26 (1.0) 14 (0.6) 2 (0.1) 2 (0.1) 3 (0.1) 43 (1.7) 38 (1.5) 41 (1.6) 9 (0.3) 19 (0.8) 17 (0.7)
Average precipitation days (≥ 1 mm) 3 3 2 0 0 0 10 9 5 1 1 3

Monthly sunshine hours in Altar, Sonora, Mexico §

The sunniest months in Altar are May, June and July, when the sun shines an average of 11 hours 47 minutes a day.Least sunny months in Altar: January, February and December receive an average of 7 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Altar, 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 207 242 301 333 370 370 344 338 312 301 262 248
Mean daily daylight hours 10h 24m 11h 6m 12h 0m 12h 56m 13h 42m 14h 5m 13h 52m 13h 11m 12h 18m 11h 22m 10h 34m 10h 10m

Solar UV radiation in Altar, Sonora, Mexico §

Altar experiences the highest level of ultraviolet (UV) radiation in May, July 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 6. For more detailed information, check out our hourly Altar UV Index data.

Average daily maximum UV levels by month for Altar, 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) 5 7 10 11 12 12 12 12 11 8 6 5