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Monthly climate in San Mateo Rio Hondo, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Mateo Rio Hondo features a subtropical climate (Cwb). Temperatures typically range between 16 °C (60 °F) and 19 °C (67 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 3308 mm (130.2 inches) and receives 177 rainy days on the 1 mm (0.04 inches) threshold annually. San Mateo Rio Hondo enjoys an average of 3514 hours of sunshine throughout the year, and daylight varies from 11 hours 10 minutes to 13 hours 3 minutes per day.

Monthly average temperatures in San Mateo Rio Hondo, Mexico

The warmest months in San Mateo Rio Hondo are April, May and June, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (60 - 62 °F) throughout the day. On average each year, San Mateo Rio Hondo experiences 96 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 San Mateo Rio Hondo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		28°C
(82°F)		29°C
(84°F)		30°C
(87°F)		29°C
(84°F)		27°C
(82°F)		27°C
(81°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)
Mean maximum26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		27°C
(82°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)
Average high23°C
(73°F)		24°C
(76°F)		26°C
(78°F)		26°C
(78°F)		25°C
(78°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Daily mean16°C
(60°F)		17°C
(62°F)		18°C
(64°F)		19°C
(66°F)		19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)		18°C
(64°F)		17°C
(62°F)		16°C
(61°F)
Average low10°C
(50°F)		11°C
(51°F)		12°C
(53°F)		13°C
(56°F)		14°C
(58°F)		14°C
(58°F)		14°C
(57°F)		14°C
(57°F)		14°C
(58°F)		14°C
(57°F)		12°C
(53°F)		10°C
(51°F)
Mean minimum7°C
(45°F)		7°C
(46°F)		9°C
(49°F)		11°C
(51°F)		12°C
(53°F)		13°C
(55°F)		12°C
(53°F)		12°C
(54°F)		12°C
(54°F)		11°C
(52°F)		9°C
(48°F)		7°C
(45°F)
Minimum5°C
(41°F)		5°C
(41°F)		8°C
(46°F)		10°C
(49°F)		11°C
(51°F)		12°C
(54°F)		11°C
(52°F)		12°C
(53°F)		11°C
(52°F)		10°C
(50°F)		7°C
(45°F)		6°C
(44°F)

Compare climate in San Mateo Rio Hondo with other places

Compare temperature, precipitation, sunshine, UV index in San Mateo Rio Hondo, Mexico with other places around the world.

Monthly average precipitation in San Mateo Rio Hondo, Mexico

San Mateo Rio Hondo usually has the most precipitation in June, August and September, with an average of 26 rainy days and 666 mm (26.2 inches) of precipitation per month. The driest months in San Mateo Rio Hondo are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Mateo Rio Hondo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)15 (0.6)8 (0.3)18 (0.7)97 (3.8)332 (13.1)674 (26.5)482 (19.0)689 (27.1)635 (25.0)326 (12.8)19 (0.7)13 (0.5)
Average precipitation days (≥ 1 mm)3251523262428262032

Monthly sunshine hours in San Mateo Rio Hondo, Mexico

The sunniest months in San Mateo Rio Hondo are March, April and May, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in San Mateo Rio Hondo: January, June and September receive an average of 8 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Mateo Rio Hondo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours247281321317315258312290274288301304
Mean daily daylight hours11h 16m11h 36m12h 2m12h 30m12h 52m13h 3m12h 57m12h 37m12h 11m11h 44m11h 21m11h 10m

Solar UV radiation in San Mateo Rio Hondo, Mexico

San Mateo Rio Hondo experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly San Mateo Rio Hondo UV Index data.

Average daily maximum UV levels by month for San Mateo Rio Hondo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111315151515151415131110