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Monthly climate in Sayulilla, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sayulilla features a tropical savanna climate (As). Temperatures typically range between 21 °C (70 °F) and 29 °C (85 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 976 mm (38.4 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually. Sayulilla enjoys an average of 3488 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Sayulilla, Mexico

The warmest months in Sayulilla are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 21 to 22 °C (70 - 71 °F) throughout the day. On average each year, Sayulilla experiences 325 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 Sayulilla. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		35°C
(95°F)		35°C
(96°F)		35°C
(96°F)		37°C
(99°F)		38°C
(100°F)		40°C
(105°F)		37°C
(98°F)		34°C
(94°F)		35°C
(95°F)		35°C
(96°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		34°C
(94°F)		35°C
(96°F)		36°C
(97°F)		37°C
(99°F)		36°C
(96°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		32°C
(90°F)
Average high29°C
(84°F)		29°C
(85°F)		31°C
(88°F)		32°C
(89°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		29°C
(85°F)
Daily mean21°C
(70°F)		22°C
(71°F)		23°C
(73°F)		24°C
(75°F)		26°C
(79°F)		28°C
(83°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		24°C
(76°F)		22°C
(71°F)
Average low14°C
(57°F)		15°C
(59°F)		14°C
(58°F)		15°C
(60°F)		19°C
(66°F)		24°C
(75°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		23°C
(74°F)		19°C
(66°F)		15°C
(59°F)
Mean minimum9°C
(49°F)		11°C
(52°F)		12°C
(53°F)		12°C
(54°F)		15°C
(60°F)		20°C
(68°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		19°C
(67°F)		14°C
(58°F)		11°C
(52°F)
Minimum5°C
(41°F)		9°C
(49°F)		8°C
(48°F)		11°C
(52°F)		14°C
(58°F)		18°C
(64°F)		23°C
(74°F)		22°C
(72°F)		22°C
(73°F)		18°C
(65°F)		12°C
(55°F)		10°C
(50°F)

Compare climate in Sayulilla with other places

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

Monthly average precipitation in Sayulilla, Mexico

Sayulilla usually has the most precipitation in July, August and September, with an average of 21 rainy days and 244 mm (9.6 inches) of precipitation per month. The driest months in Sayulilla are March, April and May. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sayulilla. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)13 (0.5)15 (0.6)0 (0.0)0 (0.0)0 (0.0)57 (2.3)150 (5.9)297 (11.7)287 (11.3)136 (5.4)9 (0.4)11 (0.4)
Average precipitation days (≥ 1 mm)0100051624241210

Monthly sunshine hours in Sayulilla, Mexico

The sunniest months in Sayulilla are March, April and May, when the sun shines an average of 10 hours 51 minutes a day. Least sunny months in Sayulilla: January, February and September receive an average of 8 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sayulilla. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours224261317327354316310280265277279273
Mean daily daylight hours10h 55m11h 24m12h 1m12h 40m13h 12m13h 28m13h 19m12h 51m12h 14m11h 35m11h 2m10h 46m

Solar UV radiation in Sayulilla, Mexico

Sayulilla experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Sayulilla UV Index data.

Average daily maximum UV levels by month for Sayulilla. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710111313121212121186