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PortugalThe climate of Alentejo
The current climate in Alentejo features temperatures ranging from a high of 28°C to a low of 9°C throughout the year. The average yearly temperature is around 19°C. At night, temperatures in the colder months average around 2°C and in the warmer months around 16°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Alentejo, Portugal.
Temperature records
The highest temperature recorded in Alentejo in recent years was 39°C in August 2023. The lowest daytime temperature recorded was -2°C in February 2015.
Precipitation and snowfall
On average, Alentejo gets 1202 mm of precipitation each year. Of this, about 2,2 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Best time to visit Alentejo?
The best time to visit Alentejo for sunny weather is May through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Alentejo. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Alentejo
The climate table of Alentejo shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 11 | 9 | 13 | 16 | 21 | 24 | 28 | 27 | 24 | 23 | 13 | 12 |
| Temp. min (°C) | 4 | 2 | 5 | 8 | 12 | 14 | 16 | 16 | 14 | 15 | 7 | 6 |
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| Precipitation (mm) | 172 | 171 | 134 | 114 | 62 | 37 | 9,6 | 10 | 58 | 97 | 165 | 172 |
| Snow (cm) | 0,2 | 1,3 | 0,3 | 0,1 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 0,1 |
| UV Index | 4 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 6 | 6 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Alentejo, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Alentejo
Yearly Temperature in Alentejo
Precipitation charts
These charts show the average amount of precipitation in Alentejo, Portugal. 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.
Average Precipitation per Month in Alentejo
Total Yearly Precipitation in Alentejo
Average Snowfall per Month in Alentejo
Total Yearly Snowfall in Alentejo
UV index chart
This chart shows the average UV index per month in Alentejo, Portugal. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Alentejo
Weather experiences in Alentejo
The weather in Alentejo is rated an average of 4,2 out of 5 stars by 6 visitors. Have you been to Alentejo? Share your weather experience to help other visitors.
Ivar Hoogerbrugge
Although it was not usually sunny in the Mediterranean, there were quite long hours of sunshine. The temperature was often around 15 degrees, so not very cold. Be prepared for occasional rain!
EsméeJune in the Alentejo proved surprisingly sunny and warm. The weather was perfect for relaxing days by the pool and cool evenings outside. No rain and lots of sunshine.
ThomasApril in Alentejo, Portugal was generally beautiful. Warm during the day, lots of sunshine and cool and pleasant at night. A few rainy days, but nothing that would spoil the vacation.
Nora van BemmelThere was plenty of sunshine and a moderate temperature around 17°C. In the evenings it can be a bit cooler, so a jacket is a good idea. It rained sporadically. Perfect weather in March!
LuukFor me, it was a nice change from the usual winter weather.
NoahIt suddenly rained a few times, but it refreshed the air. The evenings were surprisingly cool.
Have you been to Alentejo?
Share your weather experiences in Alentejo.
Average weather in Alentejo by month
Click on a month below to see detailed weather info for Alentejo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.