Climate averages 1991–2020
Trelew weather
in April.
A mild, fairly dry month: the 7th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Trelew: daytime highs average 20.4°C and nights cool to about 9.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 19 mm of rain on roughly 3 days, which makes April a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 56 min on an average April day.
The nearest other city in this atlas is Comodoro Rivadavia (338 km away). In April its highs average 16.8°C, 3.7°C cooler than Trelew, with 22 mm of rain.
Among the 67 cities listed in Argentina, Trelew ranks 58th of 67 for the warmest April highs and 3rd of 67 for the driest April (rainfall, lowest first). The mean April high of those 67 cities is 21.8°C; Trelew is 1.4°C cooler than that mean.
From April to May, average highs fall by 4.7°C to 15.8°C, and monthly rainfall rises from 19 mm to 23 mm.
The annual picture
April 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 | 25.1°C13.5°C | 13.5°C | 21 | 3.5 | 12.412 h |
| April, selected | 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
April in nearby cities
- Comodoro Rivadavia in AprilArgentina · 338 kmHigh 16.8°C · Low 10.1°C · 22 mm rain
- General Roca in AprilArgentina · 506 kmHigh 21.2°C · Low 10.7°C · 29 mm rain
- Cipolletti in AprilArgentina · 530 kmHigh 21.1°C · Low 10.4°C · 22 mm rain
- Neuquén in AprilArgentina · 531 kmHigh 20.9°C · Low 10.3°C · 22 mm rain
- San Carlos de Bariloche in AprilArgentina · 547 kmHigh 12.0°C · Low 5.1°C · 74 mm rain
- Bahía Blanca in AprilArgentina · 565 kmHigh 20.7°C · Low 12.2°C · 55 mm rain
- Puerto Montt in AprilChile · 658 kmHigh 14.6°C · Low 9.0°C · 184 mm rain
- Osorno in AprilChile · 712 kmHigh 15.9°C · Low 7.4°C · 114 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.