Climate averages 1991–2020
Junín weather
in January.
A hot, wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Junín: daytime highs average 28.9°C and nights cool to about 18.6°C. By daytime temperature it is the warmest month of the year.
Expect about 114 mm of rain on roughly 9 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 11 min on an average January day.
The nearest other city in this atlas is Pergamino (85 km away). In January its highs average 29.2°C, about as warm as Junín, with 103 mm of rain.
Among the 67 cities listed in Argentina, Junín ranks joint 43rd of 67 for the warmest January highs and 54th of 67 for the driest January (rainfall, lowest first). The mean January high of those 67 cities is 29.0°C; Junín is 0.1°C cooler than that mean.
From January to February, average highs fall by 1.6°C to 27.2°C, and monthly rainfall falls from 114 mm to 103 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
Junín climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.9°C18.6°C | 18.6°C | 114 | 8.7 | 14.214 h |
| February | 27.2°C17.7°C | 17.7°C | 103 | 8.2 | 13.413 h |
| March | 25.6°C16.1°C | 16.1°C | 100 | 8.4 | 12.312 h |
| April | 21.9°C12.8°C | 12.8°C | 90 | 8.3 | 11.211 h |
| May | 18.1°C9.8°C | 9.8°C | 62 | 6.3 | 10.310 h |
| June | 15.1°C6.7°C | 6.7°C | 38 | 4.7 | 9.910 h |
| July | 14.3°C5.6°C | 5.6°C | 32 | 4.3 | 10.110 h |
| August | 17.2°C7.0°C | 7.0°C | 45 | 4.2 | 10.811 h |
| September | 19.2°C8.9°C | 8.9°C | 67 | 6.3 | 11.812 h |
| October | 21.9°C11.8°C | 11.8°C | 119 | 10.0 | 12.913 h |
| November | 25.4°C14.6°C | 14.6°C | 103 | 8.7 | 13.914 h |
| December | 28.0°C17.2°C | 17.2°C | 103 | 9.1 | 14.414 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
- Pergamino in JanuaryArgentina · 85 kmHigh 29.2°C · Low 19.0°C · 103 mm rain
- Venado Tuerto in JanuaryArgentina · 133 kmHigh 29.1°C · Low 19.2°C · 110 mm rain
- San Nicolás de los Arroyos in JanuaryArgentina · 156 kmHigh 29.7°C · Low 20.3°C · 103 mm rain
- Luján in JanuaryArgentina · 168 kmHigh 29.4°C · Low 18.8°C · 91 mm rain
- Gobernador Gálvez in JanuaryArgentina · 176 kmHigh 29.9°C · Low 20.2°C · 102 mm rain
- Zárate in JanuaryArgentina · 185 kmHigh 29.3°C · Low 19.2°C · 95 mm rain
- Rosario in JanuaryArgentina · 185 kmHigh 30.0°C · Low 20.1°C · 102 mm rain
- Pilar in JanuaryArgentina · 187 kmHigh 29.1°C · Low 19.0°C · 91 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 Junín) is explained once on the Junín year overview and on the Sources, method and limits page.