Buenos Aires weather in February
In February, Buenos Aires has daytime highs averaging 27 °C, nights around 20 °C, with 7.8 wet days, and a sea temperature of 25 °C. Figures are 1991–2020 climate normals.
- 26.5°C Average high
- 19.8°C Average low
- 7.8days Wet days
- 98mm Rainfall
- 24.8°C Sea temperature
- 13h Daylight
Daily temperatures through February
How February develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 February | 26.9 °C | 20.1 °C | 36 % |
| 11–20 February | 26.6 °C | 19.8 °C | 23 % |
| 21–28 February | 26.0 °C | 19.4 °C | 23 % |
- Rain is most likely over days 1–10 of February (36 % of days) and least likely over days 11–20 (23 %).
What to expect
| Measure | Typical February | Share of the month |
|---|---|---|
| Days above 25 °C | 20 of 28 | 71 % |
| Days above 30 °C | 3.6 of 28 | 13 % |
| Days below 0 °C | 0 of 28 | 0 % |
| Days with more than 1 mm rain | 7.8 of 28 | 28 % |
Conditions in February
| Measure | Average |
|---|---|
| Mean temperature | 23 °C |
| Record high (1991–2020) | 35 °C |
| Record low (1991–2020) | 11 °C |
| Relative humidity | 72 % |
| Wind speed | 22 km/h |
| Cloud cover | 40 % |
February compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 27.7 °C | 88 mm | 38 % |
| February | 26.5 °C | 98 mm | 40 % |
| March | 24.6 °C | 100 mm | 41 % |
| April | 21.0 °C | 104 mm | 47 % |
| December | 26.5 °C | 88 mm | 40 % |
See all twelve months for Buenos Aires
- February is the 2nd warmest month here.
- It is the 9th driest month of the year.
- It ranks 3rd for least cloud cover.
- Days last about 13 hours from sunrise to sunset.
- It rains on 7.8 of 28 days — 28 % of the month.
- Nights are about 6.7 °C cooler than the middle of the day.
- The hottest February day on record since 1991 reached 35 °C, 8.3 °C above the usual daytime high.
- Beach score: 89 / 100 — see how this is calculated.
QuestionsFebruary in Buenos Aires, answered
How warm is Buenos Aires in February?
Daily highs average 27 °C and nights fall to about 20 °C, a spread of 6.7 °C between afternoon and dawn. That makes February the 2nd warmest month of the year here.
Does it rain much in Buenos Aires in February?
February averages 98 mm of rain, spread over about 8 of the 28 days — 28 % of the month. Cloud cover averages 40 % of the sky.
Is the sea warm enough to swim in February?
The sea averages 25 °C off Buenos Aires in February. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.
How long are the days in February?
Buenos Aires averages 13 hours between sunrise and sunset in February. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.