Climate and monthly weather forecastAlentejo, Portugal
Alentejo, Portugal - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the most rainfall in Alentejo, Portugal, is December, when the rain falls for 10.5 days and typically aggregates up to 83mm (3.27") of precipitation. The month with the longest days in Alentejo, Portugal, is June, with an average of 15h and 0min of daylight.
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Alentejo, Portugal, with an average temperature ranging between min 2.3°C (36.1°F) and max 9.8°C (49.6°F). January, with its high-temperature average of 9.8°C (49.6°F) and a low-temperature average of 2.3°C (36.1°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Alentejo, Portugal, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 10.8°C (51.4°F). February brings an average high-temperature of a fresh 10.8°C (51.4°F), nearly identical to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a moderate month in Alentejo, Portugal, with an average temperature ranging between min 3.8°C (38.8°F) and max 13.4°C (56.1°F). At the start of March, Alentejo's average high-temperature reaches a refreshing 13.4°C (56.1°F), subtly different from the preceding month. Weather in March »Weather in April
April in Alentejo, Portugal, is a refreshing spring month, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 5.4°C (41.7°F). Alentejo, Portugal, records an average high-temperature of a still refreshing 16°C (60.8°F) in April, closely mirroring the climate of the previous month. Weather in April »Weather in May
May, the last month of the spring in Alentejo, is a pleasant month, with an average temperature varying between 8.7°C (47.7°F) and 20.5°C (68.9°F). As May arrives, Alentejo's weather shows a minor increase in high-temperatures, edging from April's refreshing 16°C (60.8°F) to a pleasant 20.5°C (68.9°F). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Alentejo, Portugal, with an average temperature fluctuating between 24.6°C (76.3°F) and 11.3°C (52.3°F). Alentejo, Portugal, in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 20.5°C (68.9°F) in May to a moderately hot 24.6°C (76.3°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Alentejo, Portugal, with an average temperature fluctuating between 29.3°C (84.7°F) and 14.1°C (57.4°F). July brings a slight elevation in the average high-temperature, transitioning from June's 24.6°C (76.3°F) to a still moderately hot 29.3°C (84.7°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Alentejo, Portugal, with an average temperature fluctuating between 14.2°C (57.6°F) and 29.8°C (85.6°F). In Alentejo, the month of August is known for its highest average temperatures, reaching a high of 29.8°C (85.6°F) and a low of 14.2°C (57.6°F). During August, the heat index is calculated to be a hot 31°C (87.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Alentejo, Portugal, with temperature in the range of an average high of 25.8°C (78.4°F) and an average low of 12.8°C (55°F). A subtle shift in Alentejo's weather is observed as August turns into September, with the average high temperature reducing from a warm 29.8°C (85.6°F) to a still moderately hot 25.8°C (78.4°F). Weather in September »Weather in October
October, like September, in Alentejo, Portugal, is another enjoyable autumn month, with an average temperature varying between 19.9°C (67.8°F) and 10°C (50°F). The arrival of October signals a shift in temperature, down from a warm 25.8°C (78.4°F) in September to a comfortable 19.9°C (67.8°F). Weather in October »Weather in November
November, the last month of the autumn in Alentejo, is another cool month, with temperature in the range of an average high of 12.6°C (54.7°F) and an average low of 5.3°C (41.5°F). Alentejo observes a minor decrease in the average high-temperature with the arrival of November, falling from October's comfortable 19.9°C (67.8°F) to a fresh 12.6°C (54.7°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Alentejo, Portugal, with an average temperature fluctuating between 10.8°C (51.4°F) and 3.4°C (38.1°F). With the onset of December, Alentejo's average high-temperature clocks in at a still cool 10.8°C (51.4°F), showing a minor fluctuation from the previous month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Alentejo, Portugal
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.8°C).
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure
Alentejo, Portugal
- Average pressure in January:
1022.2mbar - Average pressure in February:
1020.1mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1016mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1016.8mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1017.4mbar - Average pressure in December:
1023mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed
Alentejo, Portugal
- Average wind speed in January:
10.7km/h - Average wind speed in February:
11.5km/h - Average wind speed in March:
11km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
8.8km/h - Average wind speed in August:
8.8km/h - Average wind speed in September:
8.3km/h - Average wind speed in October:
9.1km/h - Average wind speed in November:
10.4km/h - Average wind speed in December:
10.2km/h
The windiest month (with the highest average wind speed) is February (11.5km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity
Alentejo, Portugal
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall
Alentejo, Portugal
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days
Alentejo, Portugal
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
10 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
10.7 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.5 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
14.1 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (2.5 days).
Average snowfall
Alentejo, Portugal
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Alentejo, Portugal
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Alentejo, Portugal
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
6h and 6min - Average sunshine in March:
6h and 54min - Average sunshine in April:
7h and 42min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 30min - Average sunshine in November:
4h and 54min - Average sunshine in December:
5h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Alentejo, Portugal
- Average sunshine days in January:
15 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
19 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
26.6 days - Average sunshine days in August:
27.5 days - Average sunshine days in September:
24.7 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
13.7 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index
Alentejo, Portugal
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Alentejo, Portugal
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility
Alentejo, Portugal
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).
