Climate averages 1991–2020
Santa Fe weather
in January.
A hot, wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Santa Fe: daytime highs average 30.5°C and nights cool to about 21.2°C. By daytime temperature it is the warmest month of the year.
Expect about 112 mm of rain on roughly 9 days, which makes January a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 57 min on an average January day.
The nearest other city in this atlas is Paraná (19 km away). In January its highs average 30.1°C, about as warm as Santa Fe, with 105 mm of rain.
Among the 67 cities listed in Argentina, Santa Fe ranks joint 16th of 67 for the warmest January highs and joint 52nd of 67 for the driest January (rainfall, lowest first). The mean January high of those 67 cities is 29.0°C; Santa Fe is 1.5°C warmer than that mean.
From January to February, average highs fall by 1.5°C to 28.9°C, and monthly rainfall rises from 112 mm to 120 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
Santa Fe climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 30.5°C21.2°C | 21.2°C | 112 | 8.7 | 14.014 h |
| February | 28.9°C20.3°C | 20.3°C | 120 | 8.7 | 13.213 h |
| March | 27.1°C18.6°C | 18.6°C | 138 | 8.2 | 12.312 h |
| April | 23.3°C15.4°C | 15.4°C | 114 | 8.6 | 11.311 h |
| May | 19.7°C12.3°C | 12.3°C | 74 | 6.1 | 10.511 h |
| June | 17.0°C9.4°C | 9.4°C | 44 | 5.1 | 10.110 h |
| July | 16.4°C8.2°C | 8.2°C | 37 | 4.5 | 10.310 h |
| August | 19.1°C9.4°C | 9.4°C | 48 | 4.9 | 11.011 h |
| September | 21.4°C11.4°C | 11.4°C | 65 | 5.8 | 11.912 h |
| October | 24.1°C14.4°C | 14.4°C | 132 | 9.6 | 12.813 h |
| November | 26.9°C17.0°C | 17.0°C | 116 | 7.8 | 13.714 h |
| December | 29.2°C19.5°C | 19.5°C | 136 | 8.9 | 14.214 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
- Paraná in JanuaryArgentina · 19 kmHigh 30.1°C · Low 20.7°C · 105 mm rain
- Rafaela in JanuaryArgentina · 86 kmHigh 30.1°C · Low 20.3°C · 119 mm rain
- Rosario in JanuaryArgentina · 144 kmHigh 30.0°C · Low 20.1°C · 102 mm rain
- Gobernador Gálvez in JanuaryArgentina · 154 kmHigh 29.9°C · Low 20.2°C · 102 mm rain
- San Nicolás de los Arroyos in JanuaryArgentina · 193 kmHigh 29.7°C · Low 20.3°C · 103 mm rain
- Pergamino in JanuaryArgentina · 250 kmHigh 29.2°C · Low 19.0°C · 103 mm rain
- Villa María in JanuaryArgentina · 253 kmHigh 29.7°C · Low 20.0°C · 111 mm rain
- Gualeguaychú in JanuaryArgentina · 255 kmHigh 29.9°C · Low 20.1°C · 110 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 Santa Fe) is explained once on the Santa Fe year overview and on the Sources, method and limits page.