Colonia del Sacramento weather in January
In January, Colonia del Sacramento sees average daytime highs of 27°C and overnight lows near 21°C, with 81 mm of rain across 6.9 wet days and about 14 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 54% of the time in January, and the air most often feels muggy.
Daylight stretches from about 14 h 18 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Colonia del Sacramento's 1st-clearest and 7th-windiest month. For the whole year in context, see Colonia del Sacramento's year-round climate.
- Daytime high
- 27°
- 1st warmest
- Overnight low
- 21°
- 12th coldest
- Rainfall
- 81 mm
- 6.9 wet days
- Daylight
- 14 h 06 min
- 6:59 AM – 9:03 PM
- Cloud cover
- 41%
- 1st clearest
- Wind
- 16 km/h
- 7th windiest
- Solar energy
- 7.44 kWh/m²
- Travel score
- 7.3
- out of 10
Colonia del Sacramento is City in Uruguay, departmental capital of Colonia.
- Density
- 1,407/km²
- people per km²
- Founded
- 1680
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 27°C through the month.
A typical January day in Colonia del Sacramento reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.
| 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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 20 |
| 2 | 27 | 20 |
| 3 | 27 | 20 |
| 4 | 27 | 20 |
| 5 | 27 | 20 |
| 6 | 27 | 21 |
| 7 | 27 | 21 |
| 8 | 27 | 21 |
| 9 | 27 | 21 |
| 10 | 27 | 20 |
| 11 | 27 | 20 |
| 12 | 27 | 20 |
| 13 | 27 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 21 |
| 19 | 27 | 21 |
| 20 | 27 | 21 |
| 21 | 27 | 21 |
| 22 | 27 | 21 |
| 23 | 27 | 21 |
| 24 | 27 | 21 |
| 25 | 27 | 21 |
| 26 | 27 | 21 |
| 27 | 27 | 21 |
| 28 | 27 | 21 |
| 29 | 27 | 21 |
| 30 | 27 | 21 |
| 31 | 27 | 21 |
Colonia del Sacramento weather by month
How January compares with the rest of the year at a glance. January is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 21° | 81 | 6.9 | 14 | 7.3 |
| Feb | 26° / 20° | 103 | 8.1 | 13.3 | 7.1 |
| Mar | 24° / 19° | 101 | 7.6 | 12.3 | 7.5 |
| Apr | 21° / 15° | 97 | 7.9 | 11.2 | 6.9 |
| May | 17° / 12° | 70 | 6.6 | 10.2 | 6.0 |
| Jun | 14° / 10° | 71 | 7.2 | 9.7 | 4.5 |
| Jul | 13° / 8° | 74 | 6.8 | 9.9 | 4.1 |
| Aug | 15° / 10° | 75 | 6.7 | 10.7 | 5.1 |
| Sep | 17° / 12° | 81 | 7.6 | 11.8 | 5.8 |
| Oct | 20° / 14° | 111 | 9.4 | 12.9 | 6.5 |
| Nov | 23° / 17° | 102 | 7.9 | 13.8 | 7.3 |
| Dec | 26° / 19° | 84 | 7.7 | 14.3 | 7.4 |
Cloud cover in January
The sky is clear or mostly clear about 54% of the time in January, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 32%.
| 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 (%) | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 67 | 68 | 67 | 66 | 67 | 66 | 65 | 64 |
| Cloudier (%) | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 33 | 32 | 33 | 34 | 33 | 34 | 35 | 36 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 68 | 32 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 68 | 32 |
| 6 | 69 | 31 |
| 7 | 69 | 31 |
| 8 | 69 | 31 |
| 9 | 69 | 31 |
| 10 | 69 | 31 |
| 11 | 69 | 31 |
| 12 | 69 | 31 |
| 13 | 70 | 30 |
| 14 | 70 | 30 |
| 15 | 69 | 31 |
| 16 | 69 | 31 |
| 17 | 69 | 31 |
| 18 | 69 | 31 |
| 19 | 69 | 31 |
| 20 | 69 | 31 |
| 21 | 69 | 31 |
| 22 | 68 | 32 |
| 23 | 68 | 32 |
| 24 | 67 | 33 |
| 25 | 68 | 32 |
| 26 | 67 | 33 |
| 27 | 66 | 34 |
| 28 | 67 | 33 |
| 29 | 66 | 34 |
| 30 | 65 | 35 |
| 31 | 64 | 36 |
Chance of precipitation in January
Colonia del Sacramento gets around 81 mm of rain over 6.9 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 23% and peaks near 28% 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 (%) | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| Rain chance (%) | |
|---|---|
| 1 | 23 |
| 2 | 24 |
| 3 | 24 |
| 4 | 24 |
| 5 | 24 |
| 6 | 24 |
| 7 | 24 |
| 8 | 24 |
| 9 | 24 |
| 10 | 24 |
| 11 | 24 |
| 12 | 23 |
| 13 | 23 |
| 14 | 22 |
| 15 | 22 |
| 16 | 21 |
| 17 | 21 |
| 18 | 21 |
| 19 | 20 |
| 20 | 20 |
| 21 | 20 |
| 22 | 20 |
| 23 | 21 |
| 24 | 21 |
| 25 | 22 |
| 26 | 23 |
| 27 | 24 |
| 28 | 25 |
| 29 | 26 |
| 30 | 27 |
| 31 | 28 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 53% 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 (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Comfortable (%) | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 |
| Humid (%) | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 |
| Muggy (%) | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 |
| Oppressive (%) | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 6 | 14 | 27 | 33 | 19 | 0 |
| 2 | 6 | 14 | 28 | 33 | 19 | 0 |
| 3 | 6 | 14 | 28 | 33 | 19 | 0 |
| 4 | 6 | 14 | 28 | 32 | 20 | 0 |
| 5 | 6 | 14 | 28 | 32 | 20 | 0 |
| 6 | 6 | 14 | 28 | 32 | 19 | 0 |
| 7 | 6 | 15 | 28 | 32 | 19 | 0 |
| 8 | 6 | 15 | 28 | 32 | 19 | 0 |
| 9 | 6 | 15 | 28 | 32 | 19 | 0 |
| 10 | 6 | 16 | 28 | 32 | 18 | 0 |
| 11 | 6 | 16 | 28 | 33 | 18 | 0 |
| 12 | 6 | 17 | 27 | 33 | 17 | 0 |
| 13 | 5 | 17 | 27 | 34 | 17 | 0 |
| 14 | 5 | 17 | 27 | 34 | 16 | 0 |
| 15 | 5 | 17 | 27 | 35 | 16 | 0 |
| 16 | 5 | 17 | 27 | 35 | 15 | 0 |
| 17 | 5 | 17 | 26 | 36 | 15 | 0 |
| 18 | 5 | 17 | 26 | 36 | 15 | 0 |
| 19 | 5 | 17 | 26 | 36 | 15 | 0 |
| 20 | 4 | 17 | 26 | 36 | 16 | 0 |
| 21 | 4 | 17 | 26 | 37 | 16 | 1 |
| 22 | 4 | 17 | 26 | 37 | 16 | 1 |
| 23 | 4 | 16 | 25 | 37 | 17 | 1 |
| 24 | 4 | 16 | 25 | 37 | 17 | 1 |
| 25 | 4 | 16 | 25 | 37 | 18 | 1 |
| 26 | 4 | 15 | 25 | 37 | 18 | 1 |
| 27 | 4 | 15 | 25 | 37 | 19 | 1 |
| 28 | 4 | 15 | 24 | 37 | 19 | 1 |
| 29 | 4 | 14 | 24 | 37 | 19 | 1 |
| 30 | 4 | 14 | 24 | 36 | 20 | 1 |
| 31 | 4 | 15 | 24 | 36 | 20 | 1 |
Wind in January
Winds average 16 km/h in January.
Across January, daily wind ranges from about 16 km/h on the calmest days to 17 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 | 17 | 17 |
| 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 | 17 | light breeze |
| 31 | 17 | light breeze |
Sunrise & sunset in January
Daylight runs from about 14 h 18 min at the start of January to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over January. Sunrise moves from 6:46 AM to 7:13 AM, and sunset from 9:03 PM to 8:57 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) | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 |
| Sunrise (AM) | 6:46 | 6:47 | 6:48 | 6:49 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:12 | 7:13 |
| Sunset (PM) | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 | 9:02 | 9:02 | 9:02 | 9:01 | 9:01 | 9:01 | 9:00 | 9:00 | 8:59 | 8:59 | 8:58 | 8:58 | 8:57 | 8:57 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 6:46 | 9:03 |
| 2 | 14.3 | 6:47 | 9:03 |
| 3 | 14.3 | 6:48 | 9:03 |
| 4 | 14.2 | 6:49 | 9:03 |
| 5 | 14.2 | 6:49 | 9:03 |
| 6 | 14.2 | 6:50 | 9:03 |
| 7 | 14.2 | 6:51 | 9:03 |
| 8 | 14.2 | 6:52 | 9:03 |
| 9 | 14.2 | 6:53 | 9:03 |
| 10 | 14.2 | 6:53 | 9:03 |
| 11 | 14.2 | 6:54 | 9:03 |
| 12 | 14.1 | 6:55 | 9:03 |
| 13 | 14.1 | 6:56 | 9:03 |
| 14 | 14.1 | 6:57 | 9:03 |
| 15 | 14.1 | 6:58 | 9:03 |
| 16 | 14.1 | 6:59 | 9:03 |
| 17 | 14.1 | 6:59 | 9:03 |
| 18 | 14.0 | 7:00 | 9:02 |
| 19 | 14.0 | 7:01 | 9:02 |
| 20 | 14.0 | 7:02 | 9:02 |
| 21 | 14.0 | 7:03 | 9:01 |
| 22 | 13.9 | 7:04 | 9:01 |
| 23 | 13.9 | 7:05 | 9:01 |
| 24 | 13.9 | 7:06 | 9:00 |
| 25 | 13.9 | 7:07 | 9:00 |
| 26 | 13.9 | 7:08 | 8:59 |
| 27 | 13.8 | 7:09 | 8:59 |
| 28 | 13.8 | 7:10 | 8:58 |
| 29 | 13.8 | 7:11 | 8:58 |
| 30 | 13.8 | 7:12 | 8:57 |
| 31 | 13.7 | 7:13 | 8:57 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 7.44 kWh/m².
For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 7.57 kWh/m² in December across the year — January's 7.44 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) | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 6.9 |
| 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 | 7.5 | Intense |
| 2 | 7.5 | Intense |
| 3 | 7.5 | Intense |
| 4 | 7.5 | Intense |
| 5 | 7.5 | Intense |
| 6 | 7.6 | Intense |
| 7 | 7.6 | Intense |
| 8 | 7.6 | Intense |
| 9 | 7.6 | Intense |
| 10 | 7.6 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.5 | Intense |
| 17 | 7.5 | Intense |
| 18 | 7.5 | Intense |
| 19 | 7.5 | Intense |
| 20 | 7.4 | Intense |
| 21 | 7.4 | Intense |
| 22 | 7.3 | Intense |
| 23 | 7.3 | Intense |
| 24 | 7.3 | Intense |
| 25 | 7.2 | Intense |
| 26 | 7.2 | Intense |
| 27 | 7.1 | Intense |
| 28 | 7.1 | Intense |
| 29 | 7.0 | Intense |
| 30 | 7.0 | Intense |
| 31 | 6.9 | Intense |
Is January a good time to visit Colonia del Sacramento?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is one of the better times to visit Colonia del Sacramento for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Colonia del Sacramento in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Colonia del Sacramento sees daytime highs around 27°C and nights near 21°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.
Sea temperature near Colonia del Sacramento in January
The nearest coast averages about 25°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in January at about 25°C and coldest in July near 13°C.
It's comfortable for a long swim from Nov 9 to Apr 19 — about 5.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 23 | 20 | 17 | 14 | 13 | 13 | 15 | 18 | 21 | 23 |
| Comfort | Warm | Warm | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 23 | Refreshing |
| Apr | 20 | Refreshing |
| May | 17 | Cool |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 13 | Bracing |
| Sep | 15 | Bracing |
| Oct | 18 | Cool |
| Nov | 21 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Colonia del Sacramento in January
Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Colonia del Sacramento peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 10 | 6 | 4 | 3 | 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 | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is Colonia del Sacramento?
Colonia del Sacramento sits at 34.5°S, 57.8°W, 30 m above sea level, in Uruguay. The nearest listed city is Ensenada, 45 km away.
Topography around Colonia del Sacramento
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colonia del Sacramento.
Within 3 km, the terrain around Colonia del Sacramento has only modest variations in elevation — a maximum elevation change of 48 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, only modest variations in elevation — a maximum elevation change of 189 m.
The land around Colonia del Sacramento is covered by water (49%) within 3 km, water (65%) within 16 km, and water (37%), grassland (23%) and cropland (23%) 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 Colonia del Sacramento (-34.4626°, -57.8398°, elevation 30 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).