San Javier, Argentina Climate
The warmest month is January, with an average high of 34°C; the coldest is July, with an average low of 7°C. A normal year brings 1208 mm of precipitation.
Temperature through the year
The normal daily high and low. The line marks today.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
Normals for Sep 24
- Normal high
- 25°C
- Normal low
- 11°C
- Reanalysis high
- 33°Cin 2020
- Reanalysis low
- 4°Cin 2007
- Chance of a wet day
- 27%
- Daylight
- 12 h 10 min
Month by month
Averages for 1991-2020. Wet days have at least 1 mm of precipitation in the reanalysis. Each month links to its own page.
| Month | Avg high | Avg low | Warmest | Coldest | Precipitation | Wet days |
|---|---|---|---|---|---|---|
| January | 34°C | 21°C | 43°C (2006) | 11°C (1992) | 127 mm | 12.4 |
| February | 32°C | 20°C | 41°C (2018) | 10°C (2019) | 133 mm | 11.3 |
| March | 30°C | 18°C | 41°C (2020) | 8°C (2018) | 140 mm | 9.3 |
| April | 26°C | 14°C | 35°C (2004) | 3°C (1999) | 144 mm | 12.0 |
| May | 22°C | 11°C | 34°C (1997) | -1°C (2007) | 71 mm | 6.2 |
| June | 19°C | 8°C | 30°C (2015) | -2°C (2011) | 42 mm | 6.0 |
| July | 19°C | 7°C | 32°C (2006) | -4°C (2000) | 28 mm | 3.1 |
| August | 21°C | 8°C | 36°C (2009) | -2°C (1991) | 40 mm | 6.2 |
| September | 24°C | 11°C | 39°C (1994) | 1°C (2002) | 54 mm | 6.0 |
| October | 27°C | 14°C | 41°C (2009) | 4°C (1999) | 124 mm | 12.4 |
| November | 30°C | 16°C | 43°C (2009) | 5°C (1992) | 150 mm | 12.0 |
| December | 32°C | 19°C | 43°C (2013) | 10°C (1993) | 155 mm | 12.4 |
| Year | 26°C | 14°C | 1208 mm | 109 |
Precipitation
Rain and melted snow together. The chance of a wet day is the share of days with at least 1 mm of precipitation in the reanalysis.
1208 mm in a normal year, most in December.
Chance of a wet day
- Chance of a wet day
Humidity and comfort
NASA POWER reanalysis, 1991-2020, for the grid cell around San Javier.
The muggiest month is February, when 47 percent of days are muggy or worse, with a mean dew point of 18°C or more.
| Month | Dew point | Humidity | Dry | Comfortable | Humid | Muggy | Oppressive | Miserable |
|---|---|---|---|---|---|---|---|---|
| January | 18°C | 61% | 15% | 17% | 23% | 23% | 17% | 5% |
| February | 18°C | 66% | 11% | 18% | 24% | 23% | 18% | 6% |
| March | 17°C | 70% | 15% | 22% | 25% | 23% | 13% | 2% |
| April | 15°C | 76% | 35% | 23% | 19% | 15% | 8% | 1% |
| May | 12°C | 80% | 58% | 19% | 13% | 7% | 3% | 0% |
| June | 10°C | 82% | 71% | 13% | 11% | 4% | 0% | 0% |
| July | 8°C | 78% | 77% | 13% | 8% | 1% | 0% | 0% |
| August | 9°C | 73% | 74% | 15% | 9% | 2% | 0% | 0% |
| September | 10°C | 69% | 69% | 17% | 10% | 4% | 0% | 0% |
| October | 13°C | 69% | 47% | 22% | 16% | 12% | 3% | 0% |
| November | 15°C | 65% | 31% | 28% | 21% | 13% | 6% | 1% |
| December | 17°C | 63% | 19% | 22% | 24% | 19% | 13% | 3% |
Comfort is judged by the day's mean dew point: dry below 13°C, comfortable to 16°C, humid to 18°C, muggy to 21°C, oppressive to 24°C, miserable above.
Clouds
Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.
The clearest month is November, with the sky 45 percent covered on average; the cloudiest is June, at 55 percent.
Wind
The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.
The windiest month is September, averaging 15.1 km/h at 10 meters (33 feet) above the ground.
Daylight and sunshine
The longest day is Dec 17, with 14 h 08 min of daylight; the shortest is Jun 17, with 10 h 10 min.
- Day length
Solar energy
Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.
Month pages
The weather in San Javier in each month, day by day.
What this means
A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.
Where no station record is within reach, the extremes shown are the highest and lowest the reanalysis produced for the date in 1991-2020, not measured records.
Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.
More for this place
Nearby
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.