San Carlos weather in December
In December, San Carlos sees average daytime highs of 25°C and overnight lows near 16°C, with 82 mm of rain across 8.5 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.
Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 44% of the time in December, and the air most often feels humid.
Daylight stretches from about 14 h 12 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is San Carlos's 2nd-clearest and 7th-windiest month. For the whole year in context, see San Carlos's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 16°
- 9th coldest
- Rainfall
- 82 mm
- 8.5 wet days
- Daylight
- 14 h 18 min
- 6:26 AM – 8:46 PM
- Cloud cover
- 48%
- 2nd clearest
- Wind
- 16 km/h
- 7th windiest
- Solar energy
- 7.38 kWh/m²
- Travel score
- 7.3
- out of 10
San Carlos is city in the Maldonado Department of southern Uruguay.
- Density
- 2,753/km²
- people per km²
- Founded
- 1763
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs climb over the month, from about 24°C in the first days to 26°C by the end.
A typical December day in San Carlos reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than 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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 15 |
| 2 | 24 | 15 |
| 3 | 24 | 15 |
| 4 | 24 | 15 |
| 5 | 24 | 15 |
| 6 | 24 | 15 |
| 7 | 24 | 15 |
| 8 | 24 | 15 |
| 9 | 24 | 16 |
| 10 | 24 | 16 |
| 11 | 25 | 16 |
| 12 | 25 | 16 |
| 13 | 25 | 16 |
| 14 | 25 | 16 |
| 15 | 25 | 16 |
| 16 | 25 | 16 |
| 17 | 25 | 16 |
| 18 | 25 | 16 |
| 19 | 25 | 17 |
| 20 | 25 | 17 |
| 21 | 26 | 17 |
| 22 | 26 | 17 |
| 23 | 26 | 17 |
| 24 | 26 | 17 |
| 25 | 26 | 17 |
| 26 | 26 | 17 |
| 27 | 26 | 17 |
| 28 | 26 | 17 |
| 29 | 26 | 17 |
| 30 | 26 | 18 |
| 31 | 26 | 18 |
San Carlos weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 18° | 78 | 8.3 | 14.1 | 7.1 |
| Feb | 26° / 18° | 99 | 9 | 13.3 | 6.8 |
| Mar | 24° / 17° | 92 | 9 | 12.3 | 7.2 |
| Apr | 21° / 14° | 104 | 8.9 | 11.2 | 6.7 |
| May | 18° / 11° | 83 | 7.9 | 10.2 | 6.0 |
| Jun | 15° / 9° | 91 | 8.7 | 9.7 | 4.7 |
| Jul | 14° / 7° | 94 | 9 | 9.9 | 4.3 |
| Aug | 16° / 8° | 95 | 8.5 | 10.7 | 5.1 |
| Sep | 17° / 9° | 90 | 8.5 | 11.8 | 5.6 |
| Oct | 19° / 12° | 102 | 9.7 | 12.9 | 6.3 |
| Nov | 22° / 14° | 90 | 8.3 | 13.8 | 7.0 |
| Dec | 25° / 16° | 82 | 8.5 | 14.3 | 7.3 |
Cloud cover in December
The sky is clear or mostly clear about 44% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 41%.
| 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 (%) | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 |
| Cloudier (%) | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 41 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 59 | 41 |
| 2 | 59 | 41 |
| 3 | 59 | 41 |
| 4 | 59 | 41 |
| 5 | 59 | 41 |
| 6 | 59 | 41 |
| 7 | 59 | 41 |
| 8 | 59 | 41 |
| 9 | 59 | 41 |
| 10 | 58 | 42 |
| 11 | 58 | 42 |
| 12 | 58 | 42 |
| 13 | 58 | 42 |
| 14 | 58 | 42 |
| 15 | 59 | 41 |
| 16 | 58 | 42 |
| 17 | 58 | 42 |
| 18 | 59 | 41 |
| 19 | 59 | 41 |
| 20 | 59 | 41 |
| 21 | 59 | 41 |
| 22 | 59 | 41 |
| 23 | 60 | 40 |
| 24 | 60 | 40 |
| 25 | 60 | 40 |
| 26 | 60 | 40 |
| 27 | 60 | 40 |
| 28 | 61 | 39 |
| 29 | 61 | 39 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in December
San Carlos gets around 82 mm of rain over 8.5 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 27% and peaks near 29% 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 (%) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 25 |
| 2 | 25 |
| 3 | 25 |
| 4 | 25 |
| 5 | 25 |
| 6 | 25 |
| 7 | 25 |
| 8 | 26 |
| 9 | 26 |
| 10 | 26 |
| 11 | 26 |
| 12 | 26 |
| 13 | 27 |
| 14 | 27 |
| 15 | 28 |
| 16 | 28 |
| 17 | 28 |
| 18 | 29 |
| 19 | 29 |
| 20 | 29 |
| 21 | 29 |
| 22 | 29 |
| 23 | 29 |
| 24 | 29 |
| 25 | 28 |
| 26 | 28 |
| 27 | 28 |
| 28 | 28 |
| 29 | 28 |
| 30 | 27 |
| 31 | 27 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 17% 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 (%) | 38 | 38 | 37 | 37 | 36 | 35 | 35 | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 |
| Comfortable (%) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 |
| Humid (%) | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 31 |
| Muggy (%) | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 | 27 | 28 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 38 | 28 | 27 | 7 | 0 |
| 2 | 38 | 28 | 27 | 7 | 0 |
| 3 | 37 | 28 | 27 | 7 | 0 |
| 4 | 37 | 28 | 27 | 8 | 0 |
| 5 | 36 | 28 | 27 | 8 | 0 |
| 6 | 35 | 28 | 28 | 8 | 0 |
| 7 | 35 | 28 | 28 | 9 | 0 |
| 8 | 34 | 28 | 29 | 9 | 0 |
| 9 | 33 | 28 | 29 | 10 | 0 |
| 10 | 32 | 28 | 30 | 10 | 0 |
| 11 | 31 | 28 | 30 | 11 | 0 |
| 12 | 30 | 28 | 31 | 11 | 0 |
| 13 | 28 | 28 | 31 | 12 | 0 |
| 14 | 27 | 28 | 32 | 13 | 0 |
| 15 | 26 | 27 | 32 | 14 | 0 |
| 16 | 25 | 27 | 33 | 15 | 0 |
| 17 | 24 | 27 | 33 | 16 | 1 |
| 18 | 23 | 26 | 33 | 17 | 1 |
| 19 | 22 | 26 | 33 | 18 | 1 |
| 20 | 21 | 25 | 33 | 19 | 1 |
| 21 | 21 | 25 | 33 | 20 | 1 |
| 22 | 20 | 24 | 33 | 21 | 1 |
| 23 | 19 | 24 | 33 | 22 | 2 |
| 24 | 19 | 23 | 33 | 23 | 2 |
| 25 | 18 | 23 | 33 | 24 | 2 |
| 26 | 18 | 22 | 32 | 25 | 3 |
| 27 | 17 | 22 | 32 | 26 | 3 |
| 28 | 17 | 22 | 32 | 26 | 3 |
| 29 | 16 | 22 | 31 | 27 | 4 |
| 30 | 16 | 22 | 31 | 27 | 4 |
| 31 | 15 | 22 | 31 | 28 | 5 |
Wind in December
Winds average 16 km/h in December.
Across December, daily wind ranges from about 16 km/h on the calmest days to 16 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) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in December
Daylight runs from about 14 h 12 min at the start of December to 14 h 18 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 6:24 AM to 6:34 AM, and sunset from 8:34 PM to 8:52 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) | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 |
| Sunrise (AM) | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:25 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 |
| Sunset (PM) | 8:34 | 8:35 | 8:36 | 8:37 | 8:38 | 8:39 | 8:39 | 8:40 | 8:41 | 8:42 | 8:42 | 8:43 | 8:44 | 8:44 | 8:45 | 8:46 | 8:46 | 8:47 | 8:47 | 8:48 | 8:48 | 8:49 | 8:49 | 8:50 | 8:50 | 8:50 | 8:51 | 8:51 | 8:51 | 8:52 | 8:52 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 6:24 | 8:34 |
| 2 | 14.2 | 6:24 | 8:35 |
| 3 | 14.2 | 6:24 | 8:36 |
| 4 | 14.2 | 6:24 | 8:37 |
| 5 | 14.2 | 6:24 | 8:38 |
| 6 | 14.2 | 6:24 | 8:39 |
| 7 | 14.2 | 6:24 | 8:39 |
| 8 | 14.3 | 6:24 | 8:40 |
| 9 | 14.3 | 6:25 | 8:41 |
| 10 | 14.3 | 6:25 | 8:42 |
| 11 | 14.3 | 6:25 | 8:42 |
| 12 | 14.3 | 6:25 | 8:43 |
| 13 | 14.3 | 6:25 | 8:44 |
| 14 | 14.3 | 6:26 | 8:44 |
| 15 | 14.3 | 6:26 | 8:45 |
| 16 | 14.3 | 6:26 | 8:46 |
| 17 | 14.3 | 6:26 | 8:46 |
| 18 | 14.3 | 6:27 | 8:47 |
| 19 | 14.3 | 6:27 | 8:47 |
| 20 | 14.3 | 6:28 | 8:48 |
| 21 | 14.3 | 6:28 | 8:48 |
| 22 | 14.3 | 6:29 | 8:49 |
| 23 | 14.3 | 6:29 | 8:49 |
| 24 | 14.3 | 6:30 | 8:50 |
| 25 | 14.3 | 6:30 | 8:50 |
| 26 | 14.3 | 6:31 | 8:50 |
| 27 | 14.3 | 6:31 | 8:51 |
| 28 | 14.3 | 6:32 | 8:51 |
| 29 | 14.3 | 6:32 | 8:51 |
| 30 | 14.3 | 6:33 | 8:52 |
| 31 | 14.3 | 6:34 | 8:52 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 7.38 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 7.38 kWh/m² in December across the year — December's 7.38 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) | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.3 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.3 | Intense |
| 4 | 7.3 | Intense |
| 5 | 7.4 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.4 | Intense |
| 8 | 7.4 | Intense |
| 9 | 7.4 | Intense |
| 10 | 7.4 | Intense |
| 11 | 7.4 | Intense |
| 12 | 7.4 | Intense |
| 13 | 7.4 | Intense |
| 14 | 7.4 | Intense |
| 15 | 7.4 | Intense |
| 16 | 7.4 | Intense |
| 17 | 7.4 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.3 | Intense |
| 21 | 7.3 | Intense |
| 22 | 7.3 | Intense |
| 23 | 7.3 | Intense |
| 24 | 7.3 | Intense |
| 25 | 7.3 | Intense |
| 26 | 7.3 | Intense |
| 27 | 7.3 | Intense |
| 28 | 7.3 | Intense |
| 29 | 7.3 | Intense |
| 30 | 7.3 | Intense |
| 31 | 7.3 | Intense |
Is December a good time to visit San Carlos?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit San Carlos for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Carlos in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, San Carlos sees daytime highs around 25°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.
Sea temperature near San Carlos in December
The nearest coast averages about 20°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in February at about 23°C and coldest in July near 12°C.
It's comfortable for a long swim from Dec 12 to Apr 10 — about 3.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 23 | 22 | 20 | 17 | 14 | 12 | 12 | 13 | 15 | 18 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 20 | Cool |
| May | 17 | Cool |
| Jun | 14 | Bracing |
| Jul | 12 | Bracing |
| Aug | 12 | Bracing |
| Sep | 13 | Bracing |
| Oct | 15 | Cool |
| Nov | 18 | Cool |
| Dec | 20 | Refreshing |
UV index in San Carlos in December
Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Carlos peaks around January 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 12 | 10 | 6 | 3 | 2 | 3 | 4 | 6 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is San Carlos?
San Carlos sits at 34.8°S, 54.9°W, 28 m above sea level, in Uruguay. The nearest listed city is Maldonado, 12 km away.
Topography around San Carlos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Carlos.
Within 3 km, the terrain around San Carlos has only modest variations in elevation — a maximum elevation change of 42 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 266 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.
The land around San Carlos is covered by grassland (45%) and trees (22%) within 3 km, grassland (60%) within 16 km, and grassland (42%) and water (37%) within 80 km.
Uruguay travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / I / L
- 230 V · 50 Hz
- Prices
- ≈ 66% of US
- price level, 2025
- GDP per capita
- $25,216
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Homicide rate
- 11.2
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 542
- 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 San Carlos (-34.7912°, -54.9182°, elevation 28 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).