Monthly climate guide

Montevideo weather in January

With highs near 26°C (79°F) and lows around 20°C (68°F), January feels warm in Montevideo. Rainfall averages about 110 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are about the same as December and about the same as February.

What stands out in January

January brings mid-summer to Montevideo — the seasons are reversed south of the equator.
There's little difference between day and night (around 6°C).
Humidity near 72% makes 26°C feel stickier than it sounds.

January is typically Montevideo's warmest month.

Avg high

26°C

79°F

Avg low

20°C

68°F

Rainfall

110 mm

wet

Humidity

72%

relative

Sky

45%

cloud · a mix of sun and cloud

Live Montevideo forecast Where else to go in January

or share

Montevideo weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Montevideo
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	26°C / 79°F	20°C / 68°F	110 mm	72%	45%
February	26°C / 78°F	20°C / 69°F	94 mm	74%	48%
March	24°C / 74°F	18°C / 65°F	93 mm	75%	42%
April	21°C / 69°F	16°C / 61°F	133 mm	78%	51%
May	17°C / 63°F	13°C / 55°F	85 mm	82%	58%
June	14°C / 57°F	10°C / 49°F	89 mm	83%	56%
July	12°C / 54°F	8°C / 47°F	100 mm	85%	59%
August	14°C / 58°F	9°C / 49°F	104 mm	84%	57%
September	16°C / 60°F	11°C / 51°F	103 mm	82%	54%
October	18°C / 65°F	13°C / 56°F	102 mm	81%	56%
November	22°C / 71°F	16°C / 60°F	94 mm	75%	46%
December	25°C / 77°F	18°C / 65°F	105 mm	71%	43%

What to pack for January

T-shirts plus a light layer for the evening
Comfortable trainers or sandals for long walks
A compact umbrella or packable rain jacket
Water-resistant shoes

Full season-by-season packing guide →

Is January a good time to visit Montevideo?

Compare the months in the chart above to find your ideal window.

Best time to visit Montevideo →

Other Uruguay cities in January

Punta del Este

25° / 19°C · 102 mm

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation

Montevideo weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/uruguay/montevideo/january

HTML link

<a href="https://weathercompare.eu/weather/uruguay/montevideo/january">Montevideo weather in January</a> (WeatherCompare)

Embed widget

<iframe src="https://weathercompare.eu/embed/uruguay/montevideo" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Montevideo weather in January"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/uruguay/montevideo/january">Montevideo weather in January</a> – WeatherCompare</p>

Montevideo in January: quick answers

Is January a good time to visit Montevideo?

January is one of the wetter months in Montevideo, with about 110 mm of rain. You can still go: pack a rain jacket and keep plans flexible.

How warm is Montevideo in January?

Average highs are about 26°C (79°F) and average lows about 20°C (68°F), based on 10 years of daily data.

Does it rain a lot in Montevideo in January?

Montevideo typically gets around 110 mm of rain in January — wet.

Figures are long-term averages for the area around Montevideo (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.