nomadseason

Monthly climate in Piedras Negras, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Piedras Negras features a hot semi-arid climate (BSh). Temperatures typically range between 13 °C (55 °F) and 32 °C (89 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 538 mm (21.2 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually. Piedras Negras enjoys an average of 3241 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 Piedras Negras, Mexico

The warmest months in Piedras Negras are June, July and August, with daily mean temperatures ranging from 30 to 32 °C (87 - 89 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 15 °C (55 - 59 °F) throughout the day. On average each year, Piedras Negras experiences 230 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Piedras Negras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		37°C
(98°F)		36°C
(97°F)		40°C
(105°F)		42°C
(108°F)		42°C
(108°F)		43°C
(110°F)		42°C
(107°F)		41°C
(106°F)		39°C
(103°F)		32°C
(90°F)		32°C
(90°F)
Mean maximum28°C
(82°F)		32°C
(90°F)		34°C
(93°F)		39°C
(102°F)		39°C
(103°F)		40°C
(105°F)		41°C
(106°F)		40°C
(105°F)		39°C
(103°F)		36°C
(96°F)		30°C
(87°F)		29°C
(84°F)
Average high19°C
(67°F)		22°C
(71°F)		27°C
(80°F)		30°C
(87°F)		34°C
(93°F)		36°C
(98°F)		37°C
(100°F)		37°C
(100°F)		34°C
(93°F)		29°C
(85°F)		23°C
(75°F)		21°C
(70°F)
Daily mean13°C
(55°F)		15°C
(59°F)		20°C
(69°F)		24°C
(75°F)		28°C
(82°F)		30°C
(87°F)		32°C
(89°F)		32°C
(89°F)		29°C
(84°F)		23°C
(74°F)		18°C
(64°F)		14°C
(58°F)
Average low7°C
(45°F)		9°C
(49°F)		15°C
(59°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		8°C
(48°F)
Mean minimum-1°C
(30°F)		-1°C
(31°F)		6°C
(43°F)		10°C
(50°F)		16°C
(60°F)		22°C
(72°F)		22°C
(72°F)		23°C
(75°F)		18°C
(65°F)		6°C
(44°F)		4°C
(39°F)		1°C
(34°F)
Minimum-5°C
(23°F)		-11°C
(13°F)		0°C
(33°F)		8°C
(46°F)		11°C
(52°F)		20°C
(68°F)		20°C
(69°F)		20°C
(69°F)		14°C
(57°F)		4°C
(39°F)		-1°C
(31°F)		-2°C
(29°F)

Compare climate in Piedras Negras with other places

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

Monthly average precipitation in Piedras Negras, Mexico

Piedras Negras usually has the most precipitation in May, September and October, with an average of 8 rainy days and 93 mm (3.7 inches) of precipitation per month. The driest months in Piedras Negras are January, November and December. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Piedras Negras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)24 (0.9)26 (1.0)46 (1.8)81 (3.2)31 (1.2)42 (1.6)34 (1.3)133 (5.2)65 (2.5)19 (0.8)20 (0.8)
Average precipitation days (≥ 1 mm)4545116638743

Monthly sunshine hours in Piedras Negras, Mexico

The sunniest months in Piedras Negras are June, July and August, when the sun shines an average of 11 hours 14 minutes a day. Least sunny months in Piedras Negras: January, February and November receive an average of 6 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Piedras Negras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours184203247267291337354341287259230236
Mean daily daylight hours10h 32m11h 10m12h 0m12h 52m13h 34m13h 55m13h 44m13h 6m12h 17m11h 26m10h 42m10h 20m

Solar UV radiation in Piedras Negras, Mexico

Piedras Negras experiences the highest level of ultraviolet (UV) radiation in June, 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 7. For more detailed information, check out our hourly Piedras Negras UV Index data.

Average daily maximum UV levels by month for Piedras Negras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)589111112121211975