Climate averages 1991–2020
Trelew weather
in March.
A warm, fairly dry month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Trelew: daytime highs average 25.1°C and nights cool to about 13.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 21 mm of rain on roughly 4 days, which makes March a fairly dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average March day.
The nearest other city in this atlas is Comodoro Rivadavia (338 km away). In March its highs average 20.2°C, 4.9°C cooler than Trelew, with 25 mm of rain.
Among the 67 cities listed in Argentina, Trelew ranks joint 50th of 67 for the warmest March highs and 3rd of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Trelew is 0.6°C cooler than that mean.
From March to April, average highs fall by 4.7°C to 20.4°C, and monthly rainfall falls from 21 mm to 19 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Trelew climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.1°C16.2°C | 16.2°C | 15 | 3.0 | 15.015 h |
| February | 27.5°C15.2°C | 15.2°C | 22 | 3.7 | 13.814 h |
| March, selected | 25.1°C13.5°C | 13.5°C | 21 | 3.5 | 12.412 h |
| April | 20.4°C9.8°C | 9.8°C | 19 | 2.9 | 10.911 h |
| May | 15.8°C6.5°C | 6.5°C | 23 | 4.0 | 9.710 h |
| June | 12.1°C3.4°C | 3.4°C | 23 | 4.1 | 9.09 h |
| July | 11.8°C2.5°C | 2.5°C | 14 | 3.5 | 9.39 h |
| August | 14.5°C4.3°C | 4.3°C | 14 | 3.4 | 10.410 h |
| September | 17.3°C6.1°C | 6.1°C | 18 | 4.0 | 11.812 h |
| October | 21.3°C9.2°C | 9.2°C | 18 | 4.1 | 13.213 h |
| November | 24.7°C12.2°C | 12.2°C | 16 | 3.2 | 14.615 h |
| December | 27.3°C14.5°C | 14.5°C | 18 | 3.0 | 15.315 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Comodoro Rivadavia in MarchArgentina · 338 kmHigh 20.2°C · Low 12.6°C · 25 mm rain
- General Roca in MarchArgentina · 506 kmHigh 26.6°C · Low 15.0°C · 25 mm rain
- Cipolletti in MarchArgentina · 530 kmHigh 26.6°C · Low 14.8°C · 19 mm rain
- Neuquén in MarchArgentina · 531 kmHigh 26.5°C · Low 14.7°C · 19 mm rain
- San Carlos de Bariloche in MarchArgentina · 547 kmHigh 17.1°C · Low 8.2°C · 41 mm rain
- Bahía Blanca in MarchArgentina · 565 kmHigh 25.3°C · Low 16.0°C · 67 mm rain
- Puerto Montt in MarchChile · 658 kmHigh 17.3°C · Low 10.9°C · 132 mm rain
- Osorno in MarchChile · 712 kmHigh 19.6°C · Low 9.7°C · 65 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Trelew) is explained once on the Trelew year overview and on the Sources, method and limits page.