Viña del Mar weather in March
In March, Viña del Mar has daytime highs averaging 23 °C, nights around 14 °C, with 0.7 wet days, and a sea temperature of 17 °C. Figures are 1991–2020 climate normals.
- 22.8°C Average high
- 14.5°C Average low
- 0.7days Wet days
- 3mm Rainfall
- 16.7°C Sea temperature
- 12h Daylight
Daily temperatures through March
How March 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 March | 23.3 °C | 15.0 °C | 1 % |
| 11–20 March | 22.8 °C | 14.6 °C | 2 % |
| 21–31 March | 22.3 °C | 13.9 °C | 4 % |
What to expect
| Measure | Typical March | Share of the month |
|---|---|---|
| Days above 25 °C | 3.0 of 31 | 10 % |
| Days above 30 °C | 0.07 of 31 | 0 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 0.7 of 31 | 2 % |
Conditions in March
| Measure | Average |
|---|---|
| Mean temperature | 18 °C |
| Record high (1991–2020) | 31 °C |
| Record low (1991–2020) | 9.7 °C |
| Relative humidity | 75 % |
| Wind speed | 18 km/h |
| Cloud cover | 20 % |
Where Viña del Mar ranks in March
| Ranking | Position | Value |
|---|---|---|
| Places with the best weather in South America in March | 5thof 50 | 94/100 |
| The driest places in South America in March | 5thof 50 | 3.0 mm |
| Places with the best weather in the world in March | 33rdof 50 | 94/100 |
| The coolest places in South America in March | 39thof 50 | 23 °C |
March compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 23.7 °C | under 1 mm | 17 % |
| February | 23.4 °C | 1 mm | 17 % |
| March | 22.8 °C | 3 mm | 20 % |
| April | 20.6 °C | 14 mm | 34 % |
| May | 18.4 °C | 50 mm | 54 % |
See all twelve months for Viña del Mar
- March is the 3rd warmest month here.
- It is the 5th driest month of the year.
- It ranks 4th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 0.7 of 31 days — 2 % of the month.
- Nights are about 8.3 °C cooler than the middle of the day.
- The hottest March day on record since 1991 reached 31 °C, 8.3 °C above the usual daytime high.
- Beach score: 65 / 100 — see how this is calculated.
Nearby destinations in March
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| Viña del Mar | 23 °C | 0.7 | 17 |
| Valparaíso | 19 °C | 1 | 17 |
| Quilicura | 27 °C | 2 | – |
| Maipú | 27 °C | 1 | – |
| Santiago | 26 °C | 1 | – |
| Peñalolén | 25 °C | 2 | – |
| Puente Alto | 26 °C | 2 | – |
| Rancagua | 26 °C | 2 | – |
| Talca | 27 °C | 1 | – |
QuestionsMarch in Viña del Mar, answered
How warm is Viña del Mar in March?
Daily highs average 23 °C and nights fall to about 14 °C, a spread of 8.3 °C between afternoon and dawn. That makes March the 3rd warmest month of the year here.
Does it rain much in Viña del Mar in March?
March averages 3 mm of rain, spread over about 1 of the 31 days — 2 % of the month. Cloud cover averages 20 % of the sky.
Is the sea warm enough to swim in March?
The sea averages 17 °C off Viña del Mar in March. 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 March?
Viña del Mar averages 12 hours between sunrise and sunset in March. 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.