Libertador General San Martín weather in December
In December, Libertador General San Martín sees average daytime highs of 29°C and overnight lows near 19°C, with 241 mm of rain across 16.7 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 18% of the time in December, and the air most often feels muggy.
Daylight stretches from about 13 h 24 min at the start of December to 13 h 30 min by month's end. Set against the rest of the year, December is Libertador General San Martín's 8th-clearest and 5th-windiest month. For the whole year in context, see Libertador General San Martín's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 19°
- 11th coldest
- Rainfall
- 241 mm
- 16.7 wet days
- Daylight
- 13 h 30 min
- 6:31 AM – 7:59 PM
- Cloud cover
- 69%
- 8th clearest
- Wind
- 5 km/h
- 5th windiest
- Solar energy
- 5.67 kWh/m²
- Travel score
- 4.5
- out of 10
Libertador General San Martín is human settlement.
- Founded
- 1899
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Libertador General San Martín reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 18 |
| 2 | 29 | 18 |
| 3 | 29 | 18 |
| 4 | 29 | 18 |
| 5 | 29 | 19 |
| 6 | 29 | 19 |
| 7 | 29 | 19 |
| 8 | 29 | 19 |
| 9 | 29 | 19 |
| 10 | 29 | 19 |
| 11 | 29 | 19 |
| 12 | 29 | 19 |
| 13 | 29 | 19 |
| 14 | 29 | 19 |
| 15 | 29 | 19 |
| 16 | 29 | 19 |
| 17 | 29 | 19 |
| 18 | 29 | 19 |
| 19 | 29 | 19 |
| 20 | 30 | 19 |
| 21 | 30 | 19 |
| 22 | 30 | 19 |
| 23 | 30 | 19 |
| 24 | 30 | 19 |
| 25 | 30 | 19 |
| 26 | 30 | 20 |
| 27 | 30 | 20 |
| 28 | 30 | 20 |
| 29 | 30 | 20 |
| 30 | 30 | 20 |
| 31 | 30 | 20 |
Libertador General San Martín weather by month
How December compares with the rest of the year at a glance. December is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 20° | 232 | 17.5 | 13.3 | 4.4 |
| Feb | 28° / 19° | 239 | 17.7 | 12.8 | 4.7 |
| Mar | 26° / 18° | 275 | 20.7 | 12.2 | 4.8 |
| Apr | 24° / 15° | 196 | 18.8 | 11.5 | 5.3 |
| May | 21° / 11° | 101 | 16 | 10.9 | 5.4 |
| Jun | 19° / 8° | 50 | 10.3 | 10.6 | 6.0 |
| Jul | 19° / 6° | 31 | 6.6 | 10.7 | 6.9 |
| Aug | 23° / 8° | 25 | 4.6 | 11.2 | 8.1 |
| Sep | 26° / 11° | 36 | 6.3 | 11.9 | 7.6 |
| Oct | 28° / 16° | 103 | 11.5 | 12.6 | 6.0 |
| Nov | 29° / 17° | 165 | 14 | 13.2 | 5.1 |
| Dec | 29° / 19° | 241 | 16.7 | 13.4 | 4.5 |
Cloud cover in December
The sky is clear or mostly clear about 18% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 66%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 37 | 36 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Cloudier (%) | 63 | 64 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 67 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 37 | 63 |
| 2 | 36 | 64 |
| 3 | 35 | 65 |
| 4 | 34 | 66 |
| 5 | 34 | 66 |
| 6 | 34 | 66 |
| 7 | 34 | 66 |
| 8 | 34 | 66 |
| 9 | 34 | 66 |
| 10 | 34 | 66 |
| 11 | 34 | 66 |
| 12 | 34 | 66 |
| 13 | 34 | 66 |
| 14 | 35 | 65 |
| 15 | 35 | 65 |
| 16 | 35 | 65 |
| 17 | 35 | 65 |
| 18 | 35 | 65 |
| 19 | 35 | 65 |
| 20 | 35 | 65 |
| 21 | 34 | 66 |
| 22 | 34 | 66 |
| 23 | 34 | 66 |
| 24 | 34 | 66 |
| 25 | 33 | 67 |
| 26 | 33 | 67 |
| 27 | 33 | 67 |
| 28 | 33 | 67 |
| 29 | 33 | 67 |
| 30 | 33 | 67 |
| 31 | 33 | 67 |
Chance of precipitation in December
Libertador General San Martín gets around 241 mm of rain over 16.7 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 54% and peaks near 57% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 |
| Rain chance (%) | |
|---|---|
| 1 | 55 |
| 2 | 56 |
| 3 | 56 |
| 4 | 57 |
| 5 | 57 |
| 6 | 57 |
| 7 | 57 |
| 8 | 57 |
| 9 | 56 |
| 10 | 56 |
| 11 | 55 |
| 12 | 55 |
| 13 | 54 |
| 14 | 54 |
| 15 | 53 |
| 16 | 53 |
| 17 | 52 |
| 18 | 52 |
| 19 | 51 |
| 20 | 51 |
| 21 | 51 |
| 22 | 51 |
| 23 | 51 |
| 24 | 51 |
| 25 | 51 |
| 26 | 52 |
| 27 | 52 |
| 28 | 52 |
| 29 | 52 |
| 30 | 52 |
| 31 | 52 |
Humidity in December
Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 |
| Humid (%) | 31 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 20 |
| Muggy (%) | 46 | 47 | 48 | 49 | 50 | 52 | 52 | 53 | 53 | 53 | 53 | 54 | 53 | 55 | 54 | 53 | 54 | 53 | 54 | 54 | 54 | 55 | 55 | 57 | 56 | 57 | 57 | 57 | 56 | 56 | 56 |
| Oppressive (%) | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 3 | 15 | 31 | 46 | 5 |
| 2 | 3 | 14 | 31 | 47 | 5 |
| 3 | 3 | 14 | 30 | 48 | 5 |
| 4 | 3 | 13 | 30 | 49 | 5 |
| 5 | 3 | 13 | 29 | 50 | 6 |
| 6 | 2 | 12 | 28 | 52 | 6 |
| 7 | 2 | 12 | 28 | 52 | 6 |
| 8 | 2 | 11 | 27 | 53 | 7 |
| 9 | 2 | 11 | 27 | 53 | 7 |
| 10 | 2 | 10 | 27 | 53 | 8 |
| 11 | 2 | 10 | 26 | 53 | 9 |
| 12 | 2 | 9 | 26 | 54 | 9 |
| 13 | 2 | 9 | 26 | 53 | 10 |
| 14 | 2 | 8 | 25 | 55 | 10 |
| 15 | 2 | 8 | 25 | 54 | 11 |
| 16 | 2 | 8 | 25 | 53 | 12 |
| 17 | 2 | 8 | 24 | 54 | 12 |
| 18 | 2 | 8 | 24 | 53 | 13 |
| 19 | 2 | 8 | 23 | 54 | 13 |
| 20 | 2 | 8 | 22 | 54 | 14 |
| 21 | 2 | 8 | 22 | 54 | 14 |
| 22 | 2 | 7 | 21 | 55 | 15 |
| 23 | 2 | 7 | 21 | 55 | 15 |
| 24 | 1 | 7 | 20 | 57 | 15 |
| 25 | 1 | 7 | 20 | 56 | 16 |
| 26 | 1 | 6 | 20 | 57 | 16 |
| 27 | 1 | 6 | 19 | 57 | 17 |
| 28 | 1 | 6 | 19 | 57 | 17 |
| 29 | 1 | 5 | 20 | 56 | 18 |
| 30 | 1 | 5 | 20 | 56 | 18 |
| 31 | 1 | 4 | 20 | 56 | 19 |
Wind in December
Winds average 5 km/h in December.
Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in December
Daylight runs from about 13 h 24 min at the start of December to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 6:28 AM to 6:39 AM, and sunset from 7:50 PM to 8:06 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 |
| Sunrise (AM) | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 |
| Sunset (PM) | 7:50 | 7:51 | 7:51 | 7:52 | 7:53 | 7:53 | 7:54 | 7:54 | 7:55 | 7:56 | 7:56 | 7:57 | 7:57 | 7:58 | 7:59 | 7:59 | 8:00 | 8:00 | 8:01 | 8:01 | 8:02 | 8:02 | 8:03 | 8:03 | 8:04 | 8:04 | 8:04 | 8:05 | 8:05 | 8:06 | 8:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 6:28 | 7:50 |
| 2 | 13.4 | 6:28 | 7:51 |
| 3 | 13.4 | 6:28 | 7:51 |
| 4 | 13.4 | 6:28 | 7:52 |
| 5 | 13.4 | 6:28 | 7:53 |
| 6 | 13.4 | 6:29 | 7:53 |
| 7 | 13.4 | 6:29 | 7:54 |
| 8 | 13.4 | 6:29 | 7:54 |
| 9 | 13.4 | 6:29 | 7:55 |
| 10 | 13.4 | 6:30 | 7:56 |
| 11 | 13.4 | 6:30 | 7:56 |
| 12 | 13.4 | 6:30 | 7:57 |
| 13 | 13.5 | 6:30 | 7:57 |
| 14 | 13.5 | 6:31 | 7:58 |
| 15 | 13.5 | 6:31 | 7:59 |
| 16 | 13.5 | 6:31 | 7:59 |
| 17 | 13.5 | 6:32 | 8:00 |
| 18 | 13.5 | 6:32 | 8:00 |
| 19 | 13.5 | 6:33 | 8:01 |
| 20 | 13.5 | 6:33 | 8:01 |
| 21 | 13.5 | 6:34 | 8:02 |
| 22 | 13.5 | 6:34 | 8:02 |
| 23 | 13.5 | 6:34 | 8:03 |
| 24 | 13.5 | 6:35 | 8:03 |
| 25 | 13.5 | 6:35 | 8:04 |
| 26 | 13.5 | 6:36 | 8:04 |
| 27 | 13.5 | 6:37 | 8:04 |
| 28 | 13.5 | 6:37 | 8:05 |
| 29 | 13.5 | 6:38 | 8:05 |
| 30 | 13.5 | 6:38 | 8:06 |
| 31 | 13.5 | 6:39 | 8:06 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 5.67 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.67 kWh/m² in December across the year — December's 5.67 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Libertador General San Martín
In December, Libertador General San Martín sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Libertador General San Martín's rainy season runs November–April, when most of the year's rain falls.
Is December a good time to visit Libertador General San Martín?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Libertador General San Martín for sightseeing.
What to pack for Libertador General San Martín in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Libertador General San Martín sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.
UV index in Libertador General San Martín in December
Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Libertador General San Martín peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 13 | 8 | 7 | 5 | 5 | 8 | 9 | 9 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 8 | Very high |
| May | 7 | High |
| Jun | 5 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 9 | Very high |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Libertador General San Martín in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Libertador General San Martín is worst in September — around 26 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (May, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 9 | 7 | 6 | 5 | 6 | 8 | 13 | 26 | 26 | 19 | 13 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 7 | Good |
| Apr | 6 | Good |
| May | 5 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 13 | Moderate |
| Sep | 26 | Moderate |
| Oct | 26 | Moderate |
| Nov | 19 | Moderate |
| Dec | 13 | Moderate |
Where is Libertador General San Martín?
Libertador General San Martín sits at 23.8°S, 64.8°W, 464 m above sea level, in Argentina. The nearest listed city is San Pedro de Jujuy, 47 km away.
Topography around Libertador General San Martín
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Libertador General San Martín.
Within 3 km, the terrain around Libertador General San Martín has significant variations in elevation — a maximum elevation change of 324 m around an average of 488 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,160 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,815 m.
The land around Libertador General San Martín is covered by cropland (45%), trees (27%) and artificial surfaces (21%) within 3 km, trees (64%) and cropland (29%) within 16 km, and trees (64%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Libertador General San Martín (-23.8131°, -64.7935°, elevation 464 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).