Climate averages 1991–2020
Mar del Tuyú weather
in January.
A warm, moderately wet month: the warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Mar del Tuyú: daytime highs average 23.5°C and nights cool to about 19.3°C. By daytime temperature it is the warmest month of the year.
Expect about 75 mm of rain on roughly 8 days, which makes January a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 21 min on an average January day.
The nearest other city in this atlas is Mar del Plata (176 km away). In January its highs average 25.1°C, 1.6°C warmer than Mar del Tuyú, with 77 mm of rain.
Among the 67 cities listed in Argentina, Mar del Tuyú ranks 64th of 67 for the warmest January highs and joint 14th of 67 for the driest January (rainfall, lowest first). The mean January high of those 67 cities is 29.0°C; Mar del Tuyú is 5.5°C cooler than that mean.
From January to February, average highs fall by 0.3°C to 23.2°C, and monthly rainfall rises from 75 mm to 87 mm.
The annual picture
January 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
Mar del Tuyú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 23.5°C19.3°C | 19.3°C | 75 | 7.7 | 14.314 h |
| February | 23.2°C19.3°C | 19.3°C | 87 | 7.6 | 13.513 h |
| March | 21.8°C18.1°C | 18.1°C | 77 | 8.2 | 12.312 h |
| April | 18.8°C15.0°C | 15.0°C | 93 | 7.5 | 11.211 h |
| May | 15.6°C12.1°C | 12.1°C | 60 | 7.1 | 10.210 h |
| June | 12.8°C9.1°C | 9.1°C | 71 | 7.2 | 9.710 h |
| July | 11.4°C7.7°C | 7.7°C | 68 | 7.1 | 9.910 h |
| August | 12.6°C8.6°C | 8.6°C | 77 | 7.0 | 10.711 h |
| September | 13.8°C9.8°C | 9.8°C | 74 | 7.3 | 11.812 h |
| October | 16.4°C12.3°C | 12.3°C | 85 | 9.3 | 13.013 h |
| November | 19.3°C14.9°C | 14.9°C | 81 | 8.5 | 14.014 h |
| December | 22.0°C17.5°C | 17.5°C | 65 | 7.9 | 14.615 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
January in nearby cities
- Mar del Plata in JanuaryArgentina · 176 kmHigh 25.1°C · Low 16.7°C · 77 mm rain
- Montevideo in JanuaryUruguay · 191 kmHigh 25.2°C · Low 19.6°C · 68 mm rain
- La Plata in JanuaryArgentina · 216 kmHigh 27.4°C · Low 19.9°C · 92 mm rain
- Berisso in JanuaryArgentina · 218 kmHigh 27.4°C · Low 20.2°C · 79 mm rain
- San Vicente in JanuaryArgentina · 232 kmHigh 28.7°C · Low 18.6°C · 89 mm rain
- Tandil in JanuaryArgentina · 233 kmHigh 27.1°C · Low 15.3°C · 81 mm rain
- Berazategui in JanuaryArgentina · 243 kmHigh 27.5°C · Low 20.2°C · 83 mm rain
- Maldonado in JanuaryUruguay · 244 kmHigh 24.3°C · Low 19.0°C · 63 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 Mar del Tuyú) is explained once on the Mar del Tuyú year overview and on the Sources, method and limits page.