Climate averages 1991–2020
Necochea weather
in January.
A warm, moderately wet month: the warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Necochea: daytime highs average 24.7°C and nights cool to about 16.8°C. By daytime temperature it is the warmest month of the year.
Expect about 75 mm of rain on roughly 9 days, which makes January a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 31 min on an average January day.
The nearest other city in this atlas is Mar del Plata (120 km away). In January its highs average 25.1°C, about as warm as Necochea, with 77 mm of rain.
Among the 67 cities listed in Argentina, Necochea ranks 63rd 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; Necochea is 4.3°C cooler than that mean.
From January to February, average highs fall by 0.8°C to 23.9°C, and monthly rainfall falls from 75 mm to 74 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
Necochea climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 24.7°C16.8°C | 16.8°C | 75 | 9.3 | 14.515 h |
| February | 23.9°C16.9°C | 16.9°C | 74 | 8.0 | 13.614 h |
| March | 22.3°C15.8°C | 15.8°C | 73 | 8.2 | 12.412 h |
| April | 18.9°C12.9°C | 12.9°C | 77 | 8.8 | 11.111 h |
| May | 15.6°C10.5°C | 10.5°C | 53 | 7.4 | 10.110 h |
| June | 12.8°C7.9°C | 7.9°C | 54 | 7.6 | 9.510 h |
| July | 11.7°C6.5°C | 6.5°C | 52 | 7.7 | 9.710 h |
| August | 13.1°C7.0°C | 7.0°C | 57 | 7.2 | 10.611 h |
| September | 14.3°C7.8°C | 7.8°C | 56 | 7.9 | 11.812 h |
| October | 16.7°C9.9°C | 9.9°C | 73 | 8.6 | 13.113 h |
| November | 19.8°C12.3°C | 12.3°C | 83 | 9.7 | 14.214 h |
| December | 23.0°C15.0°C | 15.0°C | 65 | 8.0 | 14.815 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 · 120 kmHigh 25.1°C · Low 16.7°C · 77 mm rain
- Tandil in JanuaryArgentina · 141 kmHigh 27.1°C · Low 15.3°C · 81 mm rain
- Olavarría in JanuaryArgentina · 231 kmHigh 27.9°C · Low 16.4°C · 92 mm rain
- Mar del Tuyú in JanuaryArgentina · 285 kmHigh 23.5°C · Low 19.3°C · 75 mm rain
- Bahía Blanca in JanuaryArgentina · 307 kmHigh 29.7°C · Low 18.7°C · 54 mm rain
- San Vicente in JanuaryArgentina · 393 kmHigh 28.7°C · Low 18.6°C · 89 mm rain
- La Plata in JanuaryArgentina · 410 kmHigh 27.4°C · Low 19.9°C · 92 mm rain
- Ezeiza in JanuaryArgentina · 412 kmHigh 28.8°C · Low 19.0°C · 87 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 Necochea) is explained once on the Necochea year overview and on the Sources, method and limits page.