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Monthly climate in San Antonio, Canelones, Uruguay

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Antonio features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (52 °F) and 24 °C (75 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 1031 mm (40.6 inches) and receives 93 rainy days on the 1 mm (0.04 inches) threshold annually.San Antonio enjoys an average of 3314 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in San Antonio, Canelones, Uruguay §

The warmest months in San Antonio are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, San Antonio experiences 108 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 Antonio, Canelones, Uruguay.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 41°C
(106°F)		 36°C
(96°F)		 33°C
(93°F)		 34°C
(93°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(80°F)		 29°C
(85°F)		 34°C
(93°F)		 35°C
(96°F)		 36°C
(97°F)
Mean maximum 35°C
(95°F)		 34°C
(93°F)		 32°C
(90°F)		 29°C
(85°F)		 26°C
(78°F)		 21°C
(70°F)		 24°C
(76°F)		 25°C
(77°F)		 27°C
(81°F)		 30°C
(86°F)		 34°C
(93°F)		 34°C
(93°F)
Average high 29°C
(84°F)		 27°C
(82°F)		 26°C
(78°F)		 23°C
(74°F)		 19°C
(66°F)		 16°C
(62°F)		 15°C
(59°F)		 17°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)
Daily mean 24°C
(75°F)		 23°C
(73°F)		 21°C
(70°F)		 18°C
(65°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(52°F)		 12°C
(54°F)		 14°C
(58°F)		 16°C
(61°F)		 19°C
(67°F)		 22°C
(72°F)
Average low 18°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 14°C
(58°F)		 10°C
(51°F)		 8°C
(47°F)		 8°C
(46°F)		 8°C
(46°F)		 10°C
(50°F)		 11°C
(53°F)		 14°C
(57°F)		 16°C
(61°F)
Mean minimum 12°C
(54°F)		 11°C
(53°F)		 10°C
(51°F)		 8°C
(47°F)		 4°C
(40°F)		 1°C
(35°F)		 1°C
(34°F)		 1°C
(34°F)		 4°C
(39°F)		 4°C
(40°F)		 8°C
(46°F)		 9°C
(49°F)
Minimum 10°C
(50°F)		 10°C
(50°F)		 9°C
(48°F)		 6°C
(43°F)		 3°C
(37°F)		 -0°C
(32°F)		 -1°C
(30°F)		 -1°C
(30°F)		 2°C
(36°F)		 3°C
(37°F)		 5°C
(42°F)		 8°C
(46°F)

Compare climate in San Antonio with other places

Compare temperature, precipitation, sunshine, UV index in San Antonio, Canelones, Uruguay with other places around the world.

Monthly average precipitation in San Antonio, Canelones, Uruguay §

San Antonio usually has the most precipitation in May, June and July, with an average of 8 rainy days and 106 mm (4.2 inches) of precipitation per month.The driest months in San Antonio are January, November and December. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Antonio, Canelones, Uruguay.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) 69 (2.7) 97 (3.8) 75 (2.9) 75 (3.0) 109 (4.3) 106 (4.2) 101 (4.0) 90 (3.5) 86 (3.4) 91 (3.6) 67 (2.6) 65 (2.5)
Average precipitation days (≥ 1 mm) 7 9 8 6 7 8 9 8 7 10 7 7

Monthly sunshine hours in San Antonio, Canelones, Uruguay §

The sunniest months in San Antonio are March, November and December, when the sun shines an average of 11 hours 13 minutes a day.Least sunny months in San Antonio: May, June and July receive an average of 6 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Antonio, Canelones, Uruguay.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 299 311 318 254 231 200 204 239 247 293 335 379
Mean daily daylight hours 14h 8m 13h 18m 12h 14m 11h 10m 10h 17m 9h 51m 10h 5m 10h 52m 11h 53m 12h 58m 13h 55m 14h 24m

Solar UV radiation in San Antonio, Canelones, Uruguay §

San Antonio experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly San Antonio UV Index data.

Average daily maximum UV levels by month for San Antonio, Canelones, Uruguay.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) 14 13 11 7 5 4 4 6 8 11 13 14