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Monthly climate in San Nicolas de los Arroyos, Buenos Aires, Argentina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Nicolas de los Arroyos features a humid subtropical climate (Cfa).Temperatures typically range between 11 °C (52 °F) and 25 °C (78 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 836 mm (32.9 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually.San Nicolas de los Arroyos enjoys an average of 3427 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 17 minutes per day.

Monthly average temperatures in San Nicolas de los Arroyos, Buenos Aires, Argentina §

The warmest months in San Nicolas de los Arroyos are January, February and December, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 13 °C (52 - 55 °F) throughout the day. On average each year, San Nicolas de los Arroyos experiences 152 days above 25 °C (77.0 °F) and 2 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 Nicolas de los Arroyos, Buenos Aires, Argentina.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 42°C
(107°F)		 37°C
(99°F)		 36°C
(96°F)		 33°C
(91°F)		 29°C
(84°F)		 26°C
(79°F)		 27°C
(81°F)		 30°C
(85°F)		 32°C
(91°F)		 36°C
(98°F)		 37°C
(98°F)		 39°C
(102°F)
Mean maximum 37°C
(98°F)		 35°C
(96°F)		 34°C
(93°F)		 31°C
(87°F)		 27°C
(80°F)		 22°C
(72°F)		 25°C
(78°F)		 28°C
(82°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(96°F)		 36°C
(97°F)
Average high 31°C
(88°F)		 30°C
(86°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(68°F)		 17°C
(63°F)		 16°C
(61°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(75°F)		 27°C
(82°F)		 30°C
(86°F)
Daily mean 25°C
(78°F)		 24°C
(75°F)		 22°C
(71°F)		 19°C
(67°F)		 15°C
(59°F)		 12°C
(54°F)		 11°C
(52°F)		 13°C
(55°F)		 16°C
(60°F)		 18°C
(65°F)		 22°C
(71°F)		 24°C
(75°F)
Average low 20°C
(68°F)		 19°C
(66°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(51°F)		 8°C
(47°F)		 7°C
(45°F)		 8°C
(46°F)		 10°C
(51°F)		 13°C
(55°F)		 16°C
(61°F)		 18°C
(64°F)
Mean minimum 13°C
(56°F)		 12°C
(53°F)		 10°C
(50°F)		 7°C
(45°F)		 4°C
(39°F)		 0°C
(33°F)		 -1°C
(31°F)		 1°C
(33°F)		 4°C
(39°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(54°F)
Minimum 12°C
(54°F)		 10°C
(50°F)		 8°C
(46°F)		 4°C
(40°F)		 0°C
(33°F)		 -1°C
(30°F)		 -3°C
(27°F)		 -1°C
(30°F)		 -0°C
(32°F)		 5°C
(42°F)		 8°C
(47°F)		 10°C
(50°F)

Compare climate in San Nicolas de los Arroyos with other places

Compare temperature, precipitation, sunshine, UV index in San Nicolas de los Arroyos, Buenos Aires, Argentina with other places around the world.

Monthly average precipitation in San Nicolas de los Arroyos, Buenos Aires, Argentina §

San Nicolas de los Arroyos usually has the most precipitation in January, March and April, with an average of 6 rainy days and 104 mm (4.1 inches) of precipitation per month.The driest months in San Nicolas de los Arroyos are June, July and August. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Nicolas de los Arroyos, Buenos Aires, Argentina.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) 105 (4.1) 69 (2.7) 84 (3.3) 124 (4.9) 70 (2.8) 29 (1.1) 33 (1.3) 41 (1.6) 69 (2.7) 67 (2.6) 70 (2.8) 74 (2.9)
Average precipitation days (≥ 1 mm) 7 6 6 7 6 4 6 5 5 8 6 8

Monthly sunshine hours in San Nicolas de los Arroyos, Buenos Aires, Argentina §

The sunniest months in San Nicolas de los Arroyos are February, November and December, when the sun shines an average of 11 hours 36 minutes a day.Least sunny months in San Nicolas de los Arroyos: May, June and July receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Nicolas de los Arroyos, Buenos Aires, Argentina.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 292 324 312 260 228 218 222 274 269 304 342 377
Mean daily daylight hours 14h 2m 13h 14m 12h 14m 11h 12m 10h 22m 9h 58m 10h 11m 10h 55m 11h 54m 12h 55m 13h 50m 14h 17m

Solar UV radiation in San Nicolas de los Arroyos, Buenos Aires, Argentina §

San Nicolas de los Arroyos 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 Nicolas de los Arroyos UV Index data.

Average daily maximum UV levels by month for San Nicolas de los Arroyos, Buenos Aires, Argentina.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 8 5 4 4 6 8 11 13 14