Climate guide for Montevideo, Uruguay

Best Time to Visit
Montevideo

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About Montevideo

November-March is the sweet spot: bike the Rambla, visit museums, and taste markets in Palermo. Mild summer evenings stretch riverside and beach life.

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Travel Tips

Rambla Timing
Walk or bike the Rambla at sunrise or late afternoon for sea breeze and softer light. Sundays bring mate gatherings along the water - join the unhurried pace.
Ciudad Vieja & Markets
Ciudad Vieja is best mid-morning for museums and the port market. Keep valuables secure; use buses or taxis between neighbourhoods after dark.
Asado & Wine Hours
Dinner is late by northern standards - parrillas fill after 21:00. Reserve popular steakhouses on weekends; lunch can be a better value window.
Beach Season Window
City beaches are liveliest in southern summer (Dec-Mar). Water can be cool; check local flags and swim where others do. Bring wind protection on the exposed Rambla.

Things to do in Montevideo

Montevideo, Uruguay. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Montevideo: the short answer

The best time to visit Montevideo is October, followed by November, September. Those months combine the most usable temperatures with the fewest lost days to rain: October averages 16°C with 33 mm of rain and about 27 sunny days. The months to avoid unless you have a specific reason are July, June. If budget matters more than perfect weather, May is the strongest of the low-rate months at 6.9/10.

Across the year Montevideo swings from 11°C in July to 24°C in January, a 13-degree spread, while rainfall ranges from 15 mm in June to 110 mm in December. That is the whole planning problem in one sentence: Montevideo is not equally good year-round, and the difference between the best and worst month here is 3.6 points on a 10-point scale.

Warmest month: January (24°C). Coolest: July (11°C). Driest: June (15 mm). Wettest: December (110 mm).

Montevideo month by month

January in Montevideo — reliably good (7th best month)

Good · 7.6/10

January averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 93 mm, so plan one flexible day in three; you still get about 31 sunny days and 14.1 hours of daylight.

It scores 7.6/10 here, 7th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 2 points higher on the same scale.

February in Montevideo — reliably good (4th best month)

Good · 8.3/10

February averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 71 mm, so plan one flexible day in three; you still get about 27 sunny days and 13.3 hours of daylight.

It scores 8.3/10 here, 4th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

March in Montevideo — reliably good (5th best month)

Good · 8.1/10

March averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 99 mm, so plan one flexible day in three; you still get about 22 sunny days and 12.3 hours of daylight.

It scores 8.1/10 here, 5th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 1.5 points higher on the same scale.

April in Montevideo — reliably good (8th best month)

Good · 7.3/10

April averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 92 mm, so plan one flexible day in three; you still get about 12 sunny days and 11.1 hours of daylight.

It scores 7.3/10 here, 8th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 2.3 points higher on the same scale.

May in Montevideo — workable with trade-offs

Trade-offs · 6.9/10

May averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 66 mm, so plan one flexible day in three; you still get about 4 sunny days and 10.2 hours of daylight.

It scores 6.9/10 here, 10th of 12 months, against 9.6/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 2.7 points higher on the same scale.

June in Montevideo — workable with trade-offs

Trade-offs · 6.9/10

June averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 15 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 9.7 daylight hours.

It scores 6.9/10 here, 11th of 12 months, against 9.6/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

If your dates are flexible, October is materially better in Montevideo — 2.7 points higher on the same scale.

July in Montevideo — workable with trade-offs

Trade-offs · 6/10

July averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 66 mm, so plan one flexible day in three; you still get about 2 sunny days and 9.9 hours of daylight.

It scores 6/10 here, 12th of 12 months, against 9.6/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 3.6 points higher on the same scale.

August in Montevideo — reliably good (9th best month)

Good · 7.1/10

August averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 54 mm, so plan one flexible day in three; you still get about 8 sunny days and 10.7 hours of daylight.

It scores 7.1/10 here, 9th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, October is materially better in Montevideo — 2.5 points higher on the same scale.

September in Montevideo — the year's strongest window

Best window · 8.8/10

September averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 27 mm of rain — occasional showers rather than washed-out days — alongside about 17 sunny days and 11.8 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Montevideo at 8.8/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

October in Montevideo — the year's strongest window

Best window · 9.6/10

October averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 27 sunny days and 12.9 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Montevideo at 9.6/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

November in Montevideo — the year's strongest window

Best window · 9.4/10

November averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 48 mm, so plan one flexible day in three; you still get about 30 sunny days and 13.9 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Montevideo at 9.4/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

December in Montevideo — reliably good (6th best month)

Good · 8.1/10

December averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 110 mm this is a genuinely wet month: about 31 sunny days in total, and outdoor plans need an indoor fallback.

It scores 8.1/10 here, 6th of 12 months, against 9.6/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, October is materially better in Montevideo — 1.5 points higher on the same scale.

Frequently asked

When is the best time to visit Montevideo, Uruguay?
In Ideal Weather mode, the best months to visit Montevideo are October, November, September. October is the single peak month with an Ideal Weather score of 9.6/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Montevideo year-round?
Montevideo has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 11°C in July to 24°C in January, with Ideal Weather scores between 6.0 and 9.6 out of 10.
Which months should I avoid in Montevideo?
The lowest Ideal Weather-scoring months in Montevideo are July (6.0/10), May (6.9/10), June (6.9/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Montevideo?
December is the wettest month in Montevideo, averaging about 110 mm of rainfall. June is the driest, at roughly 15 mm.
Which is the sunniest month in Montevideo?
January sees the most sun in Montevideo, with about 31 sunny days on average - ideal for outdoor plans.
Is Montevideo a good destination for sightseeing and cultural travel?
Montevideo is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (October, November, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Montevideo calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Montevideo: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

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Curated in Montevideo

Tickets & experiences