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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 snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Seia, Portugal, with an average temperature ranging between min 2.3°C (36.1°F) and max 9.8°C (49.6°F). January is the coldest month, exhibiting average temperatures of 9.8°C (49.6°F) at the peak and 2.3°C (36.1°F) at the base. Weather in January »
Weather in February
February, the last month of the winter in Seia, is a cool month, with an average temperature ranging between min 2.5°C (36.5°F) and max 10.8°C (51.4°F). February denotes a minimal variation in the average high-temperature to a cool 10.8°C (51.4°F) from January's 9.8°C (49.6°F). Weather in February »
Weather in March
March, the first month of the spring in Seia, is a refreshing month, with an average temperature ranging between max 13.4°C (56.1°F) and min 3.8°C (38.8°F). Upon the onset of March, Seia witnesses an average high-temperature of a mild 13.4°C (56.1°F), showing a close resemblance to the prior month. Weather in March »
Weather in April
April is an enjoyable spring month in Seia, Portugal, with an average temperature fluctuating between 5.4°C (41.7°F) and 16°C (60.8°F). The arrival of April brings an average high-temperature of a comfortable 16°C (60.8°F), nearly identical to March's 13.4°C (56.1°F). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Seia, Portugal, with an average temperature ranging between min 8.7°C (47.7°F) and max 20.5°C (68.9°F). As May sets, the average high-temperature shows a slight increase, moving up from a refreshing 16°C (60.8°F) in April to an agreeable 20.5°C (68.9°F). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Seia, Portugal, with an average temperature ranging between max 24.6°C (76.3°F) and min 11.3°C (52.3°F). June comes with a subtle rise, with the average high-temperature adjusting from a pleasant 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 Seia, Portugal, with an average temperature ranging between min 14.1°C (57.4°F) and max 29.3°C (84.7°F). Seia's weather shows a minor temperature rise with the arrival of July, moving from a moderately hot 24.6°C (76.3°F) in June to a still warm 29.3°C (84.7°F). Weather in July »
Weather in August
August, the last month of the summer in Seia, is another warm month, with an average temperature fluctuating between 14.2°C (57.6°F) and 29.8°C (85.6°F). August brings the highest temperatures, with an average high of 29.8°C (85.6°F) and an average low of 14.2°C (57.6°F). In August, the heat index is evaluated at 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 Seia, Portugal, with an average temperature ranging between min 12.8°C (55°F) and max 25.8°C (78.4°F). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 29.8°C (85.6°F) in August to a still moderately hot 25.8°C (78.4°F). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Seia, Portugal, with an average temperature varying between 10°C (50°F) and 19.9°C (67.8°F). The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 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 Seia, is another cool month, with an average temperature ranging between min 5.3°C (41.5°F) and max 12.6°C (54.7°F). Stepping into November, Seia observes a temperature decline, with the average high falling from October's enjoyable 19.9°C (67.8°F) to a cool 12.6°C (54.7°F). Weather in November »
Weather in December
December, the first month of the winter in Seia, is also a fresh month, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 3.4°C (38.1°F). The arrival of December sees a recorded average high-temperature of a still fresh 10.8°C (51.4°F), showing little divergence from the previous month's conditions. Weather in December »
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Seia?
Seia, Portugal, experiences its average lowest temperatures in January, reaching a peak of 9.8°C (49.6°F) and a minimum of 2.3°C (36.1°F).
What is the most humid month in Seia?
January is the most humid month in Seia, with an average relative humidity of 85%.
How much does it rain in Seia?
In Seia, Portugal, during the entire year, the rain falls for 116.6 days and collects up to 496mm (19.53") of precipitation.
When does it snow in Seia?
Months with snowfall are January through April, October through December.
What is the snowiest month in Seia?
The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 62mm (2.44") of snow.
How many days does it snow in Seia?
Throughout the year, in Seia, Portugal, there are 15.4 snowfall days, and 244mm (9.61") of snow is accumulated.
What is the month with the least sunshine in Seia?
With an average of 4.5h of sunshine, January has the least sunshine of the year in Seia.
When is the lowest UV index in Seia?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When it does not snow in Seia?
In Seia, Portugal, snow does not fall in May through September.
When are the longest days in Seia?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What is the driest month in Seia?
The months with the least rainfall are July and August Rain falls for 3.8 days and accumulates 7mm (0.28") of rain.
What are the months with the most sunshine in Seia?
The months with the most sunshine are July and August, with an average of 11.6h of sunshine.
When is the highest UV index in Seia?
The months with the highest UV index in Seia, Portugal, are July and August, with an average maximum UV index of 6.
What part of the year is the hottest in Seia?
August, on average, is the warmest month in Seia, Portugal, registering a high temperature of 29.8°C (85.6°F) and a low of 14.2°C (57.6°F).
What is the least humid month in Seia?
With an average relative humidity of 51%, August is the least humid month.
When is Daylight Saving Time (DST) in Seia?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, 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 wettest month in Seia?
The month with the most rainfall is December, when the rain falls for 10.5 days and typically aggregates up to 83mm (3.27") of precipitation.
What is the month with the shortest days in Seia?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Seia, 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
Seia, 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
Seia, 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
Seia, Portugal
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall
Seia, 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
Seia, 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
Seia, 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
Seia, 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
Seia, Portugal
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 18min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
4h and 5min - Average sunshine in December:
5h and 2min
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
Seia, 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
Seia, 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
Seia, 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
Seia, Portugal
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).
