Average weather for Portugal in January
It's hot in January in Portugal with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 31°C. At night, you can expect temperatures between 21°C and 23°C.
Start of January
The month of January starts in Portugal with hot temps, averaging around 30°C during the day and nights around 23°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid January
By mid-January, daytime temps rise to around 31°C, with nights around 23°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Portugal is around 31°C, while nighttime temps are about 22°C. A shower might pop up, but overall, the weather will be dry and sunny.
In January, there is an average of 36 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the East.
Portugal in January |
New York | ||
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30°C | 5°C | |
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31°C | 11°C | |
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28°C | -5°C | |
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36 mm | 97 mm | |
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14 days | 12 days |
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit Portugal?
January is a good month to be in Portugal for sunny weather. You’ll have high temperatures and not too much rain.
Check out the climate of Portugal for all months and discover the best travel time
Daily Temperature in January in Portugal
This chart shows the average daily high and low temperatures in January for Portugal, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Portugal
The chart below shows the average daily precipitation in January for Portugal, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 14 days of precipitation in Portugal.
Daily UV index in January in Portugal
This chart shows the average daily UV index in January in Portugal, 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.
Temperature in January in Portugal over the years
This chart shows the average temperature in January in Portugal, measured in degrees Celsius, over the past few years.
Total precipitation in January in Portugal over the years
This chart shows the average precipitation in January in Portugal, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Portugal
Click on any day in January to get detailed info about the usual weather on that day in Portugal. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in January in Portugal
Have you been to Portugal in January?
Share your weather experience in January in Portugal.
Average weather in Portugal by month
Click on a month below to see detailed weather info for Portugal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.