Temperatures in January
It's pleasantly warm in January in Portela Alta with an average temperature of 20°C. Temperatures this month range from a low of 19°C to a high of 21°C. At night, you can expect temperatures between 12°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Portela Alta in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Portela Alta with mild temperatures, averaging around 21°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-January
By mid-January, the average daytime temperature drops to around 20°C, with nights close to 13°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of January
By the end of January, the average daytime temperature in Portela Alta will be around 21°C, with nights close to 13°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Precipitation in January
In January, there is an average of 46 mm of precipitation, spread over 7 days. The wind speed is around 5 Bft, mostly coming from the East.
The average precipitation chance is 21% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Portela Alta. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Portela Alta in January |
London | ||
|---|---|---|---|
 Average Temperature |
20°C | 8°C | |
 High Temp |
21°C | 9°C | |
| Low Temp |
19°C | 6°C | |
 Total Precipitation |
46 mm | 58 mm | |
| Rainy Days |
7 days | 9 days | |
December
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is January a good time to visit Portela Alta?
Want nice weather? Then January is a great time to be in Portela Alta. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Portela Alta in January
With 27°C, Portela Alta hit the highest temperature in the last 10 years in January 2016. The lowest daytime temperature in this month was 11°C in 2019. The extreme night temperatures ranged from a low of 6°C to a high of 18°C.
Check out the climate of Portela Alta for all months and discover the best travel time
Daily Temperature in January in Portela Alta
This chart shows the average daily temperatures, both day and night, for each day in January in Portela Alta, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Portela Alta
The chart below shows the average daily precipitation in January for Portela Alta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 7 days of rain in Portela Alta.
Daily UV Index in January in Portela Alta
This chart shows the average daily UV index in January in Portela Alta, 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 Portela Alta Over the Years
This chart shows the average temperature in January in Portela Alta, measured in degrees Celsius, over the past years.
Total Precipitation in January in Portela Alta Over the Years
This chart shows the average precipitation in January in Portela Alta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for Portela Alta
Click on a specific day in January for detailed info on the typical weather on that day in Portela Alta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Portela Alta
Have you been to Portela Alta in January?
Share your weather experience in January in Portela Alta.
Average Weather in Portela Alta by Month
Click on a month below to see detailed weather info for Portela Alta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Portela Alta for all months at once
