Montevideo in August
In August, Montevideo averages 16°C (60°F) during the day and 10°C (49°F) at night, with around 12 days of rain (91 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
August in Montevideo is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How August compares to the rest of the year in Montevideo
August is one of the coolest months in Montevideo (10th of 12) and one of the driest months (10th of 12). Daytime temperature runs 5°C below the annual average (20°C). August runs 2°C warmer than July (14°C) and warms a further 1°C into September (17°C).
August sunrise & sunset in Montevideo
Times shown for Montevideo local time (America/Montevideo), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Montevideo — August
Golden-hour and blue-hour windows for the 15th of August, in Montevideo's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Montevideo in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Montevideo's popularity.
Crowds & pricing — August in Montevideo
Montevideo is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — August in Montevideo
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Montevideo — August
Across the year Montevideo's sea swings from 11.1°C (July) to 24.7°C (January) — August sits at 11.9°C.
Montevideo in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 20°C / 68°F | 84 mm | 14 | — |
| February | 26°C / 79°F | 20°C / 67°F | 99 mm | 15 | — |
| March | 24°C / 75°F | 18°C / 64°F | 83 mm | 16 | — |
| April | 21°C / 70°F | 16°C / 60°F | 103 mm | 14 | — |
| May | 17°C / 63°F | 12°C / 54°F | 83 mm | 14 | — |
| June | 15°C / 58°F | 9°C / 49°F | 66 mm | 13 | — |
| July | 14°C / 57°F | 9°C / 48°F | 110 mm | 14 | — |
| August | 16°C / 60°F | 10°C / 49°F | 91 mm | 12 | — |
| September | 17°C / 62°F | 11°C / 51°F | 77 mm | 12 | — |
| October | 19°C / 66°F | 13°C / 55°F | 90 mm | 15 | — |
| November | 22°C / 72°F | 16°C / 60°F | 76 mm | 12 | — |
| December | 25°C / 77°F | 18°C / 65°F | 70 mm | 13 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Montevideo in August →
Frequently asked questions
How hot is Montevideo in August?
In August, Montevideo averages a high of 16°C (60°F) and a low of 10°C (49°F) — generally cool.
Does it rain a lot in Montevideo in August?
August can be fairly wet in Montevideo, with about 12 rainy days on average.
Is August a good time to visit Montevideo?
August is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Montevideo in August?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full August packing list for Montevideo for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.