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Monthly climate in Naco, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Naco features a cold semi-arid climate (BSk). Temperatures typically range between 9 °C (48 °F) and 27 °C (81 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 332 mm (13.1 inches) and receives 48 rainy days on the 1 mm (0.04 inches) threshold annually. Naco enjoys an average of 3617 hours of sunshine throughout the year, and daylight varies from 10 hours 7 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Naco, Mexico

The warmest months in Naco are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, Naco experiences 178 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Naco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)		28°C
(82°F)		29°C
(85°F)		34°C
(93°F)		36°C
(97°F)		40°C
(105°F)		40°C
(105°F)		38°C
(101°F)		36°C
(97°F)		33°C
(92°F)		30°C
(85°F)		23°C
(74°F)
Mean maximum22°C
(72°F)		24°C
(75°F)		28°C
(82°F)		32°C
(89°F)		34°C
(94°F)		38°C
(101°F)		38°C
(101°F)		36°C
(97°F)		34°C
(94°F)		31°C
(89°F)		27°C
(81°F)		22°C
(72°F)
Average high16°C
(61°F)		18°C
(64°F)		21°C
(70°F)		26°C
(79°F)		30°C
(86°F)		35°C
(95°F)		33°C
(91°F)		32°C
(90°F)		30°C
(86°F)		27°C
(80°F)		22°C
(72°F)		16°C
(61°F)
Daily mean9°C
(48°F)		10°C
(50°F)		13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		23°C
(75°F)		19°C
(66°F)		14°C
(57°F)		9°C
(48°F)
Average low2°C
(37°F)		3°C
(38°F)		6°C
(43°F)		9°C
(49°F)		12°C
(55°F)		18°C
(65°F)		20°C
(69°F)		20°C
(68°F)		17°C
(64°F)		12°C
(54°F)		8°C
(46°F)		3°C
(38°F)
Mean minimum-4°C
(26°F)		-5°C
(24°F)		-0°C
(31°F)		3°C
(38°F)		7°C
(45°F)		13°C
(56°F)		17°C
(62°F)		17°C
(63°F)		13°C
(55°F)		4°C
(40°F)		2°C
(36°F)		-3°C
(27°F)
Minimum-5°C
(24°F)		-8°C
(17°F)		-3°C
(28°F)		2°C
(35°F)		4°C
(40°F)		12°C
(53°F)		15°C
(60°F)		15°C
(59°F)		10°C
(50°F)		-1°C
(31°F)		-0°C
(31°F)		-5°C
(23°F)

Compare climate in Naco with other places

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

Monthly average precipitation in Naco, Mexico

Naco usually has the most precipitation in July, August and September, with an average of 9 rainy days and 62 mm (2.4 inches) of precipitation per month. The driest months in Naco are April, May and June. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Naco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)22 (0.9)23 (0.9)17 (0.7)4 (0.1)3 (0.1)8 (0.3)82 (3.2)65 (2.6)38 (1.5)17 (0.7)30 (1.2)22 (0.9)
Average precipitation days (≥ 1 mm)33210213115224

Monthly sunshine hours in Naco, Mexico

The sunniest months in Naco are May, June and July, when the sun shines an average of 11 hours 44 minutes a day. Least sunny months in Naco: January, February and December receive an average of 7 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Naco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205245300335372366341327306303263249
Mean daily daylight hours10h 21m11h 4m12h 0m12h 57m13h 45m14h 8m13h 55m13h 13m12h 18m11h 21m10h 32m10h 7m

Solar UV radiation in Naco, Mexico

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

Average daily maximum UV levels by month for Naco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5810121313131211965