UTC Offset
UTC+01:00
Seixal, Portugal Snapshot 2026
Where is Seixal?
Seixal, Portugal
- Continent
- Europe
- Country
- Portugal
- City
- Seixal
- Population
- 656
- Coordinates
- 32.82°, -17.11°
Seixal is a city in Portugal with a population of approximately 656. Average temperatures range from 15°C (60°F) in February to 27°C (81°F) in August. The best time to visit is May, June, July, September.
Time in Seixal right now
Open full time & time zone page 16:21 21
Tuesday, June 30, 2026
IANA time zone
Atlantic/Madeira
Daylight saving
DST in effect
GMT / GMT+1
Next DST change
October 25
backward -1h
Live weather in Seixal
Daylight in Seixal today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 17m
Climate normals for Seixal
Long-term monthly averages based on historical data.
January
Good 
February
Good March
Good April
Good May best
Excellent June best
Excellent July best
Excellent August
Excellent September best
Excellent October
Excellent November
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 19°C / 16°C | 18°C / 15°C | 9days (46 mm) Wet | 8.6h Good | 76% Humid | 3.8 Moderate | Good | View Details |
| February | 18°C / 15°C | 18°C / 14°C | 8days (52 mm) Wet | 9.5h Good | 76% Humid | 5 Moderate | Good | View Details |
| March | 19°C / 15°C | 18°C / 14°C | 11days (56 mm) Wet | 10.7h Excellent | 76% Humid | 5.9 High | Good | View Details |
| April | 20°C / 16°C | 21°C / 15°C | 10days (45 mm) Wet | 11.5h Excellent | 76% Humid | 7.5 Very High | Good | View Details |
| May best | 21°C / 18°C | 23°C / 17°C | 7days (24 mm) Good | 12.4h Excellent | 75% Muggy | 7.6 Very High | Excellent | View Details |
| June best | 23°C / 20°C | 26°C / 20°C | 6days (29 mm) Good | 12.9h Excellent | 76% Humid | 8.2 Very High | Excellent | View Details |
| July best | 26°C / 22°C | 29°C / 23°C | 1days (4 mm) Excellent | 12.9h Excellent | 75% Muggy | 8.4 Very High | Excellent | View Details |
| August | 27°C / 23°C | 31°C / 25°C | 2days (7 mm) Excellent | 12.2h Excellent | 75% Muggy | 8 Very High | Excellent | View Details |
| September best | 26°C / 22°C | 28°C / 23°C | 6days (17 mm) Good | 11.2h Excellent | 74% Muggy | 6.9 High | Excellent | View Details |
| October | 24°C / 21°C | 26°C / 22°C | 11days (54 mm) Wet | 9.7h Good | 75% Muggy | 5.3 High | Excellent | View Details |
| November | 21°C / 18°C | 22°C / 18°C | 10days (58 mm) Wet | 9h Good | 76% Humid | 4.2 Moderate | Excellent | View Details |
| December | 20°C / 17°C | 19°C / 16°C | 10days (59 mm) Wet | 8.3h Good | 77% Humid | 3.4 Moderate | Good | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 19°C / 16°C . Feb: 18°C / 15°C . Mar: 19°C / 15°C . Apr: 20°C / 16°C . May: 21°C / 18°C . Jun: 23°C / 20°C . Jul: 26°C / 22°C . Aug: 27°C / 23°C . Sep: 26°C / 22°C . Oct: 24°C / 21°C . Nov: 21°C / 18°C . Dec: 20°C / 17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 46 mm. Feb: 52 mm. Mar: 56 mm. Apr: 45 mm. May: 24 mm. Jun: 29 mm. Jul: 4 mm. Aug: 7 mm. Sep: 17 mm. Oct: 54 mm. Nov: 58 mm. Dec: 59 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 76%. Mar: 76%. Apr: 76%. May: 75%. Jun: 76%. Jul: 75%. Aug: 75%. Sep: 74%. Oct: 75%. Nov: 76%. Dec: 77%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 17 km/h . Apr: 15 km/h . May: 14 km/h . Jun: 13 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 12 km/h . Oct: 13 km/h . Nov: 14 km/h . Dec: 15 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 20°C . Feb: 19°C . Mar: 19°C . Apr: 20°C . May: 20°C . Jun: 22°C . Jul: 23°C . Aug: 24°C . Sep: 24°C . Oct: 24°C . Nov: 22°C . Dec: 21°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 8. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Seixal has a population of approximately 656.
The best months to visit Seixal are May, June, July, September, when temperatures are pleasant and rainfall is lower.
Seixal receives approximately 451mm of rainfall annually across 91 rainy days.
Seixal is located in Portugal, in the Europe region.