Montevideo weather by month & the best time to visit
🇺🇾 Uruguay · coastal city break · humid subtropical climate
The best time to visit Montevideo is December — its sunniest month (Sunshine Score 80/100), with November and January close behind. Montevideo averages about 2,791 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 86 mm of rain in December.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 2,791
- Sunniest month
- December
- Peak score
- 80/100
- Rain / year
- 1,184 mm
- Midday UV at peak
- 12 (extreme)
- Sea at warmest
- 25°C / 77°F
- Population
- 1.5M
- Elevation
- 23 m
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When is the best time to visit Montevideo?
For sunshine, the best time to visit Montevideo is December, then November and January. The dullest month is July (26/100, 92 mm of rain). The full month-by-month picture is in the table below.
How sunny is Montevideo?
Montevideo gets a lot of sun: around 2,791 hours a year. 54 Sunshine Score points separate December (80) from July (26), so the month you pick matters. Montevideo is the sunniest of the 3 destinations tracked in Uruguay. The year's 1,184 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 77 | 26° / 79°F | 20° / 68°F | 102 mm | 12 | 25° / 77°F |
| February | 76 | 25° / 77°F | 20° / 68°F | 106 mm | 11 | 25° / 77°F |
| March | 74 | 24° / 75°F | 18° / 64°F | 118 mm | 9 | 23° / 73°F |
| April | 75 | 20° / 68°F | 16° / 61°F | 114 mm | 6 | 20° / 68°F |
| May | 60 | 17° / 63°F | 12° / 54°F | 84 mm | 3 | 14° / 57°F |
| June | 39 | 14° / 57°F | 9° / 48°F | 98 mm | 2 | 13° / 55°F |
| July | 26 | 12° / 54°F | 8° / 46°F | 92 mm | 2 | 10° / 50°F |
| August | 40 | 14° / 57°F | 9° / 48°F | 89 mm | 4 | 11° / 52°F |
| September | 45 | 15° / 59°F | 10° / 50°F | 96 mm | 6 | 14° / 57°F |
| October | 64 | 18° / 64°F | 13° / 55°F | 103 mm | 8 | 19° / 66°F |
| November | 78 | 22° / 72°F | 16° / 61°F | 96 mm | 10 | 22° / 72°F |
| December | 80 | 25° / 77°F | 18° / 64°F | 86 mm | 12 | 23° / 73°F |
Sea temperature in Montevideo by month
The sea off Montevideo is warmest in January at around 25°C / 77°F, and coolest in July at 10°C / 50°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Montevideo on the interactive sunshine globe →
Nearby places for sunshine
- Buenos Aires (Ezeiza) Argentina · 229 km · best in Dec · 2,741 h sun/yr
- Rosario Argentina · 489 km · best in Sep · 2,737 h sun/yr
- Porto Alegre Brazil · 705 km · best in Apr · 2,283 h sun/yr
- Cordoba Argentina · 857 km · best in Aug · 2,919 h sun/yr
- Chapecó Brazil · 914 km · best in Aug · 2,444 h sun/yr
- Foz do Iguaçu Brazil · 1,038 km · best in Aug · 2,500 h sun/yr
Nearest destinations
- Maldonado Uruguay · 85 km · 2,751 h sun/yr · best in Dec
- Santa Teresita Argentina · 200 km · 2,608 h sun/yr · best in Dec
- Mar del Plata Argentina · 371 km · 2,683 h sun/yr · best in Dec
- Rivera/Santana do Livramento Uruguay · 432 km · 2,572 h sun/yr · best in Mar
- Necochea Argentina · 476 km · 2,720 h sun/yr · best in Jan
Head-to-head
How Montevideo compares month by month: Montevideo vs Buenos Aires (Ezeiza) · Montevideo vs Porto Alegre · Montevideo vs Rosario · all comparisons
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