UTC Offset
UTC+01:00
Seia, Portugal Snapshot 2026
Where is Seia?
Seia, Portugal
- Continent
- Europe
- Country
- Portugal
- City
- Seia
- Population
- 7.1K
- Coordinates
- 40.42°, -7.71°
Seia is a city in Portugal with a population of approximately 7.1K. Average temperatures range from 3°C (38°F) in January to 30°C (86°F) in August. The best time to visit is June, July, August, September.
Time in Seia right now
Open full time & time zone page 20:49 49
Tuesday, June 30, 2026
IANA time zone
Europe/Lisbon
Daylight saving
DST in effect
GMT / WEST
Next DST change
October 25
backward -1h
Live weather in Seia
Daylight in Seia today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 01m
Climate normals for Seia
Long-term monthly averages based on historical data.
January
Poor 
February
Fair 
March
Fair April
Good May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 11°C / 3°C | 8°C / 0°C | 10days (129 mm) Wet | 5.9h Fair | 84% Humid | 2.4 Moderate | Poor | View Details |
| February | 13°C / 4°C | 10°C / 1°C | 9days (91 mm) Wet | 7.1h Good | 80% Humid | 3.1 Moderate | Fair | View Details |
| March | 14°C / 5°C | 11°C / 2°C | 14days (132 mm) Wet | 8.5h Good | 78% Humid | 4 Moderate | Fair | View Details |
| April | 17°C / 8°C | 15°C / 5°C | 12days (114 mm) Wet | 9.8h Good | 75% Muggy | 5.6 High | Good | View Details |
| May | 21°C / 10°C | 20°C / 9°C | 9days (64 mm) Wet | 11.3h Excellent | 71% Muggy | 6.7 High | Good | View Details |
| June best | 24°C / 14°C | 25°C / 13°C | 7days (41 mm) Good | 12.3h Excellent | 69% Muggy | 7.6 Very High | Excellent | View Details |
| July best | 29°C / 17°C | 30°C / 16°C | 2days (9 mm) Excellent | 13.1h Excellent | 58% Moderate | 8 Very High | Excellent | View Details |
| August best | 30°C / 17°C | 30°C / 17°C | 2days (8 mm) Excellent | 12.5h Excellent | 56% Moderate | 7.4 Very High | Excellent | View Details |
| September best | 25°C / 14°C | 24°C / 13°C | 6days (49 mm) Good | 10.3h Excellent | 65% Muggy | 5.7 High | Excellent | View Details |
| October | 20°C / 12°C | 19°C / 10°C | 12days (141 mm) Wet | 7.9h Good | 73% Muggy | 3.7 Moderate | Good | View Details |
| November | 14°C / 7°C | 12°C / 5°C | 13days (143 mm) Wet | 6.2h Fair | 85% Humid | 2.6 Moderate | Fair | View Details |
| December | 12°C / 5°C | 9°C / 2°C | 12days (125 mm) Wet | 5.8h Fair | 87% Very Muggy | 2.2 Moderate | Fair | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 11°C / 3°C . Feb: 13°C / 4°C . Mar: 14°C / 5°C . Apr: 17°C / 8°C . May: 21°C / 10°C . Jun: 24°C / 14°C . Jul: 29°C / 17°C . Aug: 30°C / 17°C . Sep: 25°C / 14°C . Oct: 20°C / 12°C . Nov: 14°C / 7°C . Dec: 12°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 129 mm. Feb: 91 mm. Mar: 132 mm. Apr: 114 mm. May: 64 mm. Jun: 41 mm. Jul: 9 mm. Aug: 8 mm. Sep: 49 mm. Oct: 141 mm. Nov: 143 mm. Dec: 125 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 80%. Mar: 78%. Apr: 75%. May: 71%. Jun: 69%. Jul: 58%. Aug: 56%. Sep: 65%. Oct: 73%. Nov: 85%. Dec: 87%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 16 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 14 km/h . Nov: 15 km/h . Dec: 14 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Seia has a population of approximately 7.1K.
The best months to visit Seia are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Seia receives approximately 1046mm of rainfall annually across 108 rainy days.
Seia is located in Portugal, in the Europe region.