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Monthly climate in Rosario, Chiapas, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rosario features a tropical monsoon climate (Am).Temperatures typically range between 19 °C (67 °F) and 25 °C (78 °F) through the year, but rarely can drop to 8 °C (47 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1255 mm (49.4 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually.Rosario enjoys an average of 3239 hours of sunshine throughout the year, and daylight varies from 11 hours 6 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in Rosario, Chiapas, Mexico §

The warmest months in Rosario are April, May and June, with daily mean temperatures ranging from 24 to 25 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 21 °C (67 - 70 °F) throughout the day. On average each year, Rosario experiences 261 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 Rosario, Chiapas, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 31°C
(88°F)		 32°C
(89°F)		 34°C
(93°F)		 35°C
(96°F)		 36°C
(98°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(86°F)		 30°C
(87°F)
Mean maximum 30°C
(86°F)		 31°C
(88°F)		 33°C
(92°F)		 34°C
(94°F)		 35°C
(95°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 29°C
(84°F)		 29°C
(85°F)
Average high 24°C
(76°F)		 27°C
(80°F)		 28°C
(82°F)		 30°C
(86°F)		 31°C
(88°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(77°F)		 24°C
(76°F)
Daily mean 19°C
(67°F)		 21°C
(70°F)		 22°C
(72°F)		 24°C
(76°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(73°F)		 21°C
(70°F)		 20°C
(68°F)
Average low 16°C
(60°F)		 16°C
(61°F)		 17°C
(64°F)		 19°C
(67°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 18°C
(64°F)		 16°C
(61°F)
Mean minimum 11°C
(52°F)		 12°C
(53°F)		 14°C
(57°F)		 15°C
(60°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 17°C
(63°F)		 13°C
(57°F)		 10°C
(51°F)
Minimum 9°C
(48°F)		 10°C
(49°F)		 12°C
(54°F)		 12°C
(54°F)		 15°C
(59°F)		 18°C
(65°F)		 17°C
(64°F)		 18°C
(64°F)		 18°C
(64°F)		 16°C
(61°F)		 11°C
(53°F)		 8°C
(47°F)

Compare climate in Rosario with other places

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

Monthly average precipitation in Rosario, Chiapas, Mexico §

Rosario usually has the most precipitation in June, September and October, with an average of 24 rainy days and 215 mm (8.5 inches) of precipitation per month.The driest months in Rosario are February, March and April. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rosario, Chiapas, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 38 (1.5) 24 (0.9) 27 (1.0) 34 (1.4) 91 (3.6) 229 (9.0) 124 (4.9) 157 (6.2) 212 (8.4) 203 (8.0) 71 (2.8) 45 (1.8)
Average precipitation days (≥ 1 mm) 7 4 5 6 15 25 22 22 27 22 13 7

Monthly sunshine hours in Rosario, Chiapas, Mexico §

The sunniest months in Rosario are April, May and July, when the sun shines an average of 9 hours 55 minutes a day.Least sunny months in Rosario: January, October and November receive an average of 7 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rosario, Chiapas, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 204 254 291 297 309 255 306 292 269 251 247 257
Mean daily daylight hours 11h 13m 11h 34m 12h 2m 12h 31m 12h 55m 13h 7m 13h 0m 12h 39m 12h 11m 11h 43m 11h 18m 11h 6m

Solar UV radiation in Rosario, Chiapas, Mexico §

Rosario experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 14, 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 Rosario UV Index data.

Average daily maximum UV levels by month for Rosario, Chiapas, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 12 14 14 14 14 14 13 13 12 10 9