Montevideo weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: October – April
What is the weather like in Montevideo in October?
In October, Montevideo is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 16.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 100 mm. All in all, October is an excellent month for a holiday in Montevideo.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 76 | 82 | 89 |
| Day | 17° | 20° | 23° |
| Night | 10° | 12° | 15° |
| Sea | 14° | 17° | 20° |
| Sun | 6 h | 7 h | 8 h |
| Rain days | 8 | 9 | 8 |
More details for October
- Daylight
- 12 h 55 min06:03 – 18:58
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Montevideo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Montevideo in October: quick answers
Is Montevideo hot in October?
No. In October, Montevideo is mild: daytime highs average 20 °C and nights drop to about 12 °C.
Can you swim in Montevideo in October?
Only if you don't mind cold water: in October the sea averages just 16.8 °C. Comfortable swimming is possible from December to March.
Does it rain much in Montevideo in October?
Rain falls on about 9 days, adding up to 100 mm.
Montevideo month by month
The whole year in MontevideoAll destinations: UruguayWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences