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Atlántida climate by month
What the weather is like
Atlántida has a humid subtropical climate (Köppen Cfa): rain spread through the year and no real dry season.
The warmest month is January, when afternoons average 27° and nights 19°. July is the coolest month, with highs of 14° and lows of 8°. The difference between the warmest and the coolest month is about 12°.
About 1,089 mm of precipitation falls in an average year. March is the wettest month (103 mm, 10 wet days) and July the driest (86 mm, 6 wet days). Cloud cover ranges from 27% in January to 42% in June.
The sea reaches about 23° in February. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Montevideo, the capital, Atlántida is 2.1° warmer on a January afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 27° · January
- Coldest nights
- 8° · July
- Wettest month
- March
- Driest month
- July
- Clearest skies
- January · 27% cloud
- Warmest sea
- 23° · February
- Longest day
- 14 h 28 min
- Shortest day
- 9 h 50 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 27° | 26° | 24° | 21° | 17° | 15° | 14° | 16° | 17° | 20° | 22° | 25° |
| Average low | 19° | 19° | 18° | 14° | 12° | 9° | 8° | 9° | 10° | 12° | 15° | 17° |
| Precipitation | 85 mm | 90 mm | 103 mm | 104 mm | 95 mm | 95 mm | 86 mm | 85 mm | 81 mm | 99 mm | 94 mm | 72 mm |
| Wet days (≥1 mm) | 6.7 | 8.3 | 10 | 7.2 | 5.8 | 5.8 | 5.7 | 5.7 | 6.3 | 6.8 | 6.8 | 5.8 |
| Cloud cover | 27% | 30% | 30% | 35% | 39% | 42% | 42% | 40% | 40% | 37% | 34% | 30% |
| Sea temperature | 23° | 23° | 22° | 20° | 16° | 13° | 11° | 12° | 13° | 16° | 19° | 21° |
| Daylight | 14h 14 | 13h 20 | 12h 20 | 11h 13 | 10h 19 | 9h 50 | 10h 02 | 10h 48 | 11h 51 | 12h 56 | 13h 56 | 14h 28 |
| Month score | 77 | 77 | 76 | 81 | 79 | 63 | 59 | 70 | 74 | 81 | 82 | 86 |