The weather in January in San José

It's hot in January in San José with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 17°C and 21°C.

Looking for sun? January isn’t a good month to be in San José. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for San José, Uruguay. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 42°C in 2022, San José reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 20°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 26°C.

Rainfall amount

In January, there is an average of 136 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in January for San José

Click on any day in January to get detailed info about the usual weather on that day in San José. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  San José New York
Average temperature 30°C 5°C
Max. temperature 32°C 11°C
Min. temperature 17°C -5°C
Total precipitation 136 mm 97 mm
Rainy days 15 days 12 days

Start of January

The month of January starts in San José with hot temps, averaging around 30°C during the day and nights around 19°C.

Mid January

By mid-January, daytime temps rise to around 31°C, with nights around 20°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of January

By the end of January, the average daytime temperature in San José is around 30°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of San José for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in January in San José, Uruguay. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in San José

Temperature in January in San José over the years

Precipitation charts

These charts show the average amount of precipitation in January in San José, Uruguay. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in San José

Total precipitation in January in San José over the years

Daily UV index in January in San José

This chart shows the average daily UV index in January in San José, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in San José

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Average weather in San José by month

Click on a month below to see detailed weather info for San José. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.