Montevideo in May
In May, Montevideo averages 17°C (63°F) during the day and 12°C (54°F) at night, with frequent rain — about 14 days of the month see precipitation (83 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
May is one of the wetter and less comfortable months in Montevideo. If your dates are flexible, consider a different time of year.
How May compares to the rest of the year in Montevideo
May is in the middle of the year for warmth in Montevideo (8th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 3°C below the annual average (20°C). May runs 4°C cooler than April (21°C) and cools 3°C in June (15°C).
May sunrise & sunset in Montevideo
Times shown for Montevideo local time (America/Montevideo), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Montevideo — May
Golden-hour and blue-hour windows for the 15th of May, in Montevideo's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Montevideo in May
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 May's tier (Shoulder) and Montevideo's popularity.
Crowds & pricing — May 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 — May 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 — May
Across the year Montevideo's sea swings from 11.1°C (July) to 24.7°C (January) — May sits at 15.7°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 May weather
🌍 See the full ranked list of climate twins for Montevideo in May →
Frequently asked questions
How hot is Montevideo in May?
In May, Montevideo averages a high of 17°C (63°F) and a low of 12°C (54°F) — generally mild and pleasant.
Does it rain a lot in Montevideo in May?
May can be fairly wet in Montevideo, with about 14 rainy days on average.
Is May a good time to visit Montevideo?
May is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Montevideo in May?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full May packing list for Montevideo for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.