Tacna weather in March
In March, Tacna has daytime highs averaging 27 °C, nights around 18 °C, with 3.8 wet days. Figures are 1991–2020 climate normals.
- 26.5°C Average high
- 17.9°C Average low
- 3.8days Wet days
- 13mm Rainfall
- 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 | 27.0 °C | 18.3 °C | 15 % |
| 11–20 March | 26.6 °C | 18.1 °C | 15 % |
| 21–31 March | 26.0 °C | 17.5 °C | 7 % |
- Rain is most likely over days 1–10 of March (15 % of days) and least likely over days 21–31 (7 %).
What to expect
| Measure | Typical March | Share of the month |
|---|---|---|
| Days above 25 °C | 28 of 31 | 90 % |
| Days above 30 °C | 0 of 31 | 0 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 3.8 of 31 | 12 % |
Conditions in March
| Measure | Average |
|---|---|
| Mean temperature | 21 °C |
| Record high (1991–2020) | 30 °C |
| Record low (1991–2020) | 14 °C |
| Relative humidity | 74 % |
| Wind speed | 15 km/h |
| Cloud cover | 69 % |
Where Tacna ranks in March
| Ranking | Position | Value |
|---|---|---|
| The driest places in South America in March | 28th of 50 | 13 mm |
| Places with the best weather in South America in March | 29th of 50 | 87/100 |
March compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 26.4 °C | 19 mm | 79 % |
| February | 27.0 °C | 22 mm | 79 % |
| March | 26.5 °C | 13 mm | 69 % |
| April | 24.3 °C | 2 mm | 56 % |
| May | 21.6 °C | 4 mm | 55 % |
See all twelve months for Tacna
- March is the 2nd warmest month here.
- It is the 10th driest month of the year.
- It ranks 9th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 3.8 of 31 days — 12 % of the month.
- Nights are about 8.6 °C cooler than the middle of the day.
- The hottest March day on record since 1991 reached 30 °C, 3.3 °C above the usual daytime high.
QuestionsMarch in Tacna, answered
How warm is Tacna in March?
Daily highs average 27 °C and nights fall to about 18 °C, a spread of 8.6 °C between afternoon and dawn. That makes March the 3rd warmest month of the year here.
Does it rain much in Tacna in March?
March averages 13 mm of rain, spread over about 4 of the 31 days — 12 % of the month. Cloud cover averages 69 % of the sky.
How long are the days in March?
Tacna 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.