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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Viana do Alentejo, Portugal, is another refreshing winter month, with temperature in the range of an average low of 5.6°C (42.1°F) and an average high of 13.7°C (56.7°F). January is the month when Viana do Alentejo experiences its coldest temperatures, averaging a high of 13.7°C (56.7°F) and a low of 5.6°C (42.1°F). Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Viana do Alentejo, Portugal, with temperature in the range of an average high of 14.4°C (57.9°F) and an average low of 5.2°C (41.4°F). Viana do Alentejo experiences an average high-temperature of a still mild 14.4°C (57.9°F) in February, marking an insignificant shift from 13.7°C (56.7°F) in January. Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Viana do Alentejo, Portugal, with an average temperature fluctuating between 6.6°C (43.9°F) and 17°C (62.6°F). Viana do Alentejo sees the arrival of March with an average high-temperature of a comfortable 17°C (62.6°F), indicating a subtle variation from February. Weather in March »
Weather in April
April, the same as March, is another comfortable spring month in Viana do Alentejo, Portugal, with an average temperature varying between 8.6°C (47.5°F) and 19.8°C (67.6°F). The transition from March to April sees average high-temperatures adjusting to a still refreshing 19.8°C (67.6°F), from a not significantly different 17°C (62.6°F). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Viana do Alentejo, Portugal, with an average temperature ranging between min 12°C (53.6°F) and max 24.8°C (76.6°F). Viana do Alentejo's weather in May presents a rise in the average high-temperature, moving from a comfortable 19.8°C (67.6°F) in April to a warm 24.8°C (76.6°F). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Viana do Alentejo, Portugal, with an average temperature varying between 15.3°C (59.5°F) and 29.3°C (84.7°F). Viana do Alentejo perceives a slight temperature ascent during June, with average high-temperatures adjusting from a moderately hot 24.8°C (76.6°F) in May to a still warm 29.3°C (84.7°F). Weather in June »
Weather in July
July in Viana do Alentejo, Portugal, is a hot summer month, with temperature in the range of an average high of 33.1°C (91.6°F) and an average low of 16.7°C (62.1°F). With the onset of July, Viana do Alentejo's average high-temperature experiences a slight rise, moving from June's warm 29.3°C (84.7°F) to a hot 33.1°C (91.6°F). Weather in July »
Weather in August
August, the last month of the summer in Viana do Alentejo, is also a hot month, with temperature in the range of an average high of 33.7°C (92.7°F) and an average low of 16.9°C (62.4°F). August is the warmest month, exhibiting average temperatures of 33.7°C (92.7°F) at the peak and 16.9°C (62.4°F) at the base. August's average heat index is estimated at a sweltering 37°C (98.6°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Viana do Alentejo, Portugal, with an average temperature varying between 29.9°C (85.8°F) and 16.1°C (61°F). The onset of September brings a small shift in high-temperatures, falling from a tropical 33.7°C (92.7°F) in August to a warm 29.9°C (85.8°F). Weather in September »
Weather in October
October, like September, in Viana do Alentejo, Portugal, is another warm autumn month, with an average temperature varying between 13.9°C (57°F) and 24.3°C (75.7°F). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a warm 29.9°C (85.8°F) to a still moderately hot 24.3°C (75.7°F). Weather in October »
Weather in November
November, the last month of the autumn in Viana do Alentejo, is another comfortable month, with an average temperature fluctuating between 17.1°C (62.8°F) and 9.3°C (48.7°F). The onset of November entails a temperature shift, as the average high-temperature decreases from a warm 24.3°C (75.7°F) in October to a comfortable 17.1°C (62.8°F). Weather in November »
Weather in December
December, the first month of the winter in Viana do Alentejo, is also a moderate month, with an average temperature varying between 14.5°C (58.1°F) and 6.6°C (43.9°F). December ushers in an average high-temperature of a still refreshing 14.5°C (58.1°F), aligning closely with the preceding month. Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Viana do Alentejo?
Viana do Alentejo's coldest temperatures are experienced in January, with average high temperatures of 13.7°C (56.7°F) and lows of 5.6°C (42.1°F).
What is the most humid month in Viana do Alentejo?
With an average relative humidity of 82%, January is the most humid month.
How many days does it rain in Viana do Alentejo?
In Viana do Alentejo, during the entire year, the rain falls for 95.6 days and collects up to 308mm (12.13") of precipitation.
What is the month with the least sunshine in Viana do Alentejo?
The month with the least sunshine in Viana do Alentejo, Portugal, is January, with an average of 5h of sunshine.
What is the month with the lowest UV index in Viana do Alentejo?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Viana do Alentejo.
What is the rainiest month in Viana do Alentejo?
April is the month with the most rainfall. Rain falls for 13.4 days and accumulates 52mm (2.05") of precipitation.
When are the longest days in Viana do Alentejo?
June has the longest days of the year in Viana do Alentejo, with an average of 14h and 48min of daylight.
What is the driest month in Viana do Alentejo?
The month with the least rainfall in Viana do Alentejo is July, when the rain falls for 2.3 days and typically collects 2mm (0.08") of precipitation.
What is the month with the most sunshine in Viana do Alentejo?
The months with the most sunshine in Viana do Alentejo, Portugal, are July and August, with an average of 11.4h of sunshine.
What is the warmest month in Viana do Alentejo?
Viana do Alentejo's temperatures tend to reach their peak averages in August, with a high of 33.7°C (92.7°F) and a low of 16.9°C (62.4°F).
What is the least humid month in Viana do Alentejo?
August is the least humid month, with an average relative humidity of 49%.
What is the month with the highest UV index in Viana do Alentejo?
August is the month with the highest UV index in Viana do Alentejo, Portugal, with an average maximum UV index of 7.
When is Daylight Saving Time (DST) in Viana do Alentejo?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Viana do Alentejo, Portugal, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.
What is the month with the shortest days in Viana do Alentejo?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Viana do Alentejo, Portugal
The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (13.7°C).
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).
Average pressure
Viana do Alentejo, Portugal
- Average pressure in January:
1022.4mbar - Average pressure in February:
1020.3mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1015.6mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1016mbar - Average pressure in November:
1017.4mbar - Average pressure in December:
1022.8mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed
Viana do Alentejo, Portugal
- Average wind speed in January:
11.5km/h - Average wind speed in February:
12km/h - Average wind speed in March:
12km/h - Average wind speed in April:
11.1km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
11.5km/h
- Average wind speed in July:
11.8km/h - Average wind speed in August:
11.1km/h - Average wind speed in September:
9.5km/h - Average wind speed in October:
10km/h - Average wind speed in November:
11.5km/h - Average wind speed in December:
11.1km/h
The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest month (with the lowest average wind speed) is September (9.5km/h).
Average humidity
Viana do Alentejo, Portugal
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (49%).
Average rainfall
Viana do Alentejo, Portugal
The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days
Viana do Alentejo, Portugal
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
8 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
7.3 days - Average rainfall days in June:
4.3 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2 days - Average rainfall days in September:
5.1 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (2 days).
Average daylight / Average sunshine
Viana do Alentejo, Portugal
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days
Viana do Alentejo, Portugal
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
22 days - Average sunshine days in June:
24.9 days
- Average sunshine days in July:
28.8 days - Average sunshine days in August:
28.2 days - Average sunshine days in September:
23.5 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is July (28.8 days).
The month with the least sunshine days is April (15.3 days).
Average UV index
Viana do Alentejo, Portugal
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Viana do Alentejo, Portugal
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Viana do Alentejo, Portugal
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and April (8km).
Viana do Alentejo, Portugal
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