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Monthly climate in Rayon, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rayon features a hot semi-arid climate (BSh). Temperatures typically range between 15 °C (60 °F) and 25 °C (77 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 793 mm (31.2 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Rayon enjoys an average of 3383 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 25 minutes per day.

Monthly average temperatures in Rayon, Mexico

The warmest months in Rayon are May, June and August, with daily mean temperatures ranging from 24 to 25 °C (76 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 18 °C (60 - 64 °F) throughout the day. On average each year, Rayon experiences 242 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 Rayon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)		37°C
(98°F)		39°C
(102°F)		39°C
(103°F)		40°C
(104°F)		39°C
(102°F)		36°C
(97°F)		36°C
(97°F)		37°C
(98°F)		33°C
(92°F)		34°C
(93°F)		32°C
(90°F)
Mean maximum32°C
(90°F)		34°C
(93°F)		37°C
(99°F)		39°C
(102°F)		38°C
(101°F)		36°C
(97°F)		34°C
(93°F)		34°C
(93°F)		34°C
(93°F)		32°C
(91°F)		31°C
(88°F)		31°C
(88°F)
Average high22°C
(72°F)		25°C
(78°F)		28°C
(83°F)		31°C
(88°F)		32°C
(90°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		28°C
(83°F)		27°C
(80°F)		25°C
(76°F)		24°C
(75°F)
Daily mean15°C
(60°F)		18°C
(64°F)		20°C
(68°F)		23°C
(74°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		21°C
(70°F)		18°C
(65°F)		16°C
(61°F)
Average low10°C
(51°F)		12°C
(54°F)		14°C
(58°F)		17°C
(63°F)		20°C
(67°F)		20°C
(68°F)		19°C
(67°F)		20°C
(67°F)		19°C
(66°F)		17°C
(62°F)		13°C
(56°F)		10°C
(51°F)
Mean minimum4°C
(40°F)		5°C
(42°F)		9°C
(48°F)		12°C
(54°F)		16°C
(61°F)		18°C
(65°F)		18°C
(64°F)		18°C
(64°F)		16°C
(61°F)		11°C
(52°F)		7°C
(44°F)		4°C
(39°F)
Minimum3°C
(38°F)		2°C
(37°F)		4°C
(39°F)		10°C
(50°F)		13°C
(55°F)		16°C
(62°F)		16°C
(62°F)		17°C
(62°F)		14°C
(57°F)		8°C
(47°F)		1°C
(34°F)		1°C
(34°F)

Compare climate in Rayon with other places

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

Monthly average precipitation in Rayon, Mexico

Rayon usually has the most precipitation in June, September and October, with an average of 19 rainy days and 138 mm (5.5 inches) of precipitation per month. The driest months in Rayon are January, February and December. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rayon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)15 (0.6)16 (0.6)23 (0.9)27 (1.0)68 (2.7)124 (4.9)104 (4.1)87 (3.4)147 (5.8)144 (5.7)27 (1.1)11 (0.4)
Average precipitation days (≥ 1 mm)466715202018211663

Monthly sunshine hours in Rayon, Mexico

The sunniest months in Rayon are May, July and August, when the sun shines an average of 10 hours 25 minutes a day. Least sunny months in Rayon: January, February and November receive an average of 7 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rayon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203245290293321310324322284270248267
Mean daily daylight hours10h 58m11h 25m12h 1m12h 39m13h 10m13h 25m13h 16m12h 49m12h 13m11h 36m11h 5m10h 49m

Solar UV radiation in Rayon, Mexico

Rayon experiences the highest level of ultraviolet (UV) radiation in April, July and September, when the maximum UV index can reach values of 13 - 14, 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 9. For more detailed information, check out our hourly Rayon UV Index data.

Average daily maximum UV levels by month for Rayon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810131413131413131197