Seia Weather and Climate: A Comprehensive Guide
The climate in Seia is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Seia, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 29°C in August to a chilly 11°C in the coolest month, January.
Nights are cooler, with lows often dropping to around 3°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Seia experiences significant rainfall throughout the year, averaging 1054 mm of precipitation annually. The climate in Seia shows significant variation throughout the year. Expect high rainfall in October, with an average of 144 mm of precipitation over 13 rainy days. In contrast, July offers drier and sunnier days, with around 16 mm of rainfall over 6 rainy days. For more details, please visit our Seia Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Seia serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.5 hours of sunshine daily, and embrace the darker days in December, offering only 3.5 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Seia.
The city experiences its highest humidity in February, reaching 81%. In August, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 4 m/s to 6 m/s. It is lower in June, July and September and higher in January, February and March.
The mean monthly wind speed over the year (meters per second)
clear and no rain clear and no rain clear and no rainForecast for Seia
2 m/s
3 m/s
3 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Seia in Portugal
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 11°C.
October tops the wettest month list with 144 mm of rainfall.
July is the driest month with 16 mm of precipitation.
July is the sunniest month with an average of 345 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
