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Monthly climate in San Juan de Llanos, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Juan de Llanos features a cold semi-arid climate (BSk). Temperatures typically range between 13 °C (55 °F) and 21 °C (69 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 777 mm (30.6 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually. San Juan de Llanos enjoys an average of 3612 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 23 minutes per day.

Monthly average temperatures in San Juan de Llanos, Mexico

The warmest months in San Juan de Llanos are April, May and June, with daily mean temperatures ranging from 19 to 21 °C (67 - 69 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 13 to 14 °C (55 - 58 °F) throughout the day. On average each year, San Juan de Llanos experiences 141 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 San Juan de Llanos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum26°C
(79°F)		29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		34°C
(93°F)		33°C
(92°F)		29°C
(85°F)		30°C
(86°F)		27°C
(82°F)		28°C
(83°F)		28°C
(83°F)		26°C
(78°F)
Mean maximum25°C
(77°F)		28°C
(82°F)		29°C
(85°F)		31°C
(87°F)		32°C
(89°F)		30°C
(87°F)		28°C
(82°F)		28°C
(83°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(76°F)
Average high21°C
(70°F)		23°C
(74°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		26°C
(79°F)		24°C
(76°F)		25°C
(77°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		21°C
(70°F)
Daily mean13°C
(55°F)		15°C
(59°F)		17°C
(64°F)		19°C
(67°F)		21°C
(69°F)		19°C
(67°F)		18°C
(65°F)		19°C
(66°F)		18°C
(64°F)		16°C
(62°F)		14°C
(58°F)		13°C
(55°F)
Average low6°C
(43°F)		8°C
(46°F)		9°C
(49°F)		11°C
(53°F)		13°C
(56°F)		14°C
(57°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		11°C
(52°F)		8°C
(47°F)		6°C
(43°F)
Mean minimum1°C
(34°F)		3°C
(37°F)		6°C
(42°F)		7°C
(46°F)		10°C
(50°F)		11°C
(52°F)		10°C
(51°F)		11°C
(52°F)		10°C
(50°F)		7°C
(45°F)		3°C
(38°F)		0°C
(33°F)
Minimum-0°C
(31°F)		1°C
(34°F)		3°C
(37°F)		5°C
(42°F)		8°C
(47°F)		9°C
(48°F)		10°C
(50°F)		11°C
(51°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(31°F)		-1°C
(30°F)

Compare climate in San Juan de Llanos with other places

Compare temperature, precipitation, sunshine, UV index in San Juan de Llanos, Mexico with other places around the world.

Monthly average precipitation in San Juan de Llanos, Mexico

San Juan de Llanos usually has the most precipitation in June, July and September, with an average of 16 rainy days and 159 mm (6.3 inches) of precipitation per month. The driest months in San Juan de Llanos are January, April and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan de Llanos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)9 (0.3)14 (0.5)8 (0.3)55 (2.2)180 (7.1)139 (5.5)112 (4.4)159 (6.3)66 (2.6)23 (0.9)6 (0.3)
Average precipitation days (≥ 1 mm)22328161713161021

Monthly sunshine hours in San Juan de Llanos, Mexico

The sunniest months in San Juan de Llanos are May, July and August, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in San Juan de Llanos: January, February and November receive an average of 8 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan de Llanos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours233269318323343319331325291289280286
Mean daily daylight hours10h 59m11h 26m12h 2m12h 38m13h 9m13h 23m13h 15m12h 48m12h 13m11h 37m11h 6m10h 50m

Solar UV radiation in San Juan de Llanos, Mexico

San Juan de Llanos experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly San Juan de Llanos UV Index data.

Average daily maximum UV levels by month for San Juan de Llanos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9111415151414141413108