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Monthly climate in Bahia Blanca, Buenos Aires, Argentina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bahia Blanca features a humid subtropical climate (Cfa).Temperatures typically range between 8 °C (47 °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 39 °C (103 °F).The average annual precipitation amounts to about 564 mm (22.2 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually.Bahia Blanca enjoys an average of 3490 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 48 minutes per day.

Monthly average temperatures in Bahia Blanca, Buenos Aires, Argentina §

The warmest months in Bahia Blanca are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 10 °C (47 - 50 °F) throughout the day. On average each year, Bahia Blanca experiences 93 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bahia Blanca, 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 39°C
(103°F)		 35°C
(95°F)		 34°C
(93°F)		 30°C
(87°F)		 24°C
(76°F)		 19°C
(67°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 32°C
(91°F)		 31°C
(89°F)		 36°C
(97°F)
Mean maximum 35°C
(96°F)		 34°C
(93°F)		 32°C
(89°F)		 27°C
(82°F)		 23°C
(73°F)		 16°C
(62°F)		 18°C
(64°F)		 21°C
(70°F)		 23°C
(74°F)		 28°C
(83°F)		 31°C
(87°F)		 34°C
(94°F)
Average high 28°C
(84°F)		 27°C
(81°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(62°F)		 13°C
(56°F)		 12°C
(54°F)		 15°C
(58°F)		 17°C
(63°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(81°F)
Daily mean 24°C
(75°F)		 22°C
(72°F)		 20°C
(68°F)		 17°C
(63°F)		 12°C
(54°F)		 9°C
(49°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(55°F)		 15°C
(60°F)		 19°C
(66°F)		 22°C
(71°F)
Average low 19°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 13°C
(56°F)		 9°C
(49°F)		 6°C
(44°F)		 5°C
(41°F)		 6°C
(44°F)		 8°C
(48°F)		 11°C
(52°F)		 14°C
(57°F)		 16°C
(62°F)
Mean minimum 12°C
(54°F)		 11°C
(52°F)		 10°C
(50°F)		 7°C
(45°F)		 3°C
(38°F)		 1°C
(35°F)		 -0°C
(32°F)		 0°C
(33°F)		 2°C
(37°F)		 5°C
(41°F)		 9°C
(48°F)		 10°C
(50°F)
Minimum 11°C
(52°F)		 10°C
(49°F)		 8°C
(46°F)		 3°C
(38°F)		 1°C
(34°F)		 1°C
(33°F)		 -1°C
(30°F)		 -1°C
(31°F)		 1°C
(34°F)		 4°C
(39°F)		 6°C
(43°F)		 8°C
(47°F)

Compare climate in Bahia Blanca with other places

Compare temperature, precipitation, sunshine, UV index in Bahia Blanca, Buenos Aires, Argentina with other places around the world.

Monthly average precipitation in Bahia Blanca, Buenos Aires, Argentina §

Bahia Blanca usually has the most precipitation in February, April and November, with an average of 6 rainy days and 64 mm (2.5 inches) of precipitation per month.The driest months in Bahia Blanca are January, August and September. On average, 32 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bahia Blanca, 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) 31 (1.2) 55 (2.2) 44 (1.7) 61 (2.4) 44 (1.7) 43 (1.7) 43 (1.7) 22 (0.9) 42 (1.6) 49 (1.9) 76 (3.0) 54 (2.1)
Average precipitation days (≥ 1 mm) 4 5 6 6 5 5 4 3 5 6 7 6

Monthly sunshine hours in Bahia Blanca, Buenos Aires, Argentina §

The sunniest months in Bahia Blanca are February, November and December, when the sun shines an average of 11 hours 49 minutes a day.Least sunny months in Bahia Blanca: May, June and July receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bahia Blanca, 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 317 327 326 264 225 204 217 264 277 327 343 393
Mean daily daylight hours 14h 29m 13h 30m 12h 16m 11h 1m 9h 59m 9h 28m 9h 45m 10h 40m 11h 51m 13h 7m 14h 14m 14h 48m

Solar UV radiation in Bahia Blanca, Buenos Aires, Argentina §

Bahia Blanca experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 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 4. For more detailed information, check out our hourly Bahia Blanca UV Index data.

Average daily maximum UV levels by month for Bahia Blanca, 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 12 10 6 4 3 3 5 7 10 12 13