UTC Offset
UTC+01:00
Sines, Portugal Snapshot 2026
Where is Sines?
Sines, Portugal
- Continent
- Europe
- Country
- Portugal
- City
- Sines
- Population
- 12.8K
- Coordinates
- 37.96°, -8.87°
Sines is a city in Portugal with a population of approximately 12.8K. Average temperatures range from 10°C (50°F) in January to 26°C (79°F) in August. The best time to visit is June, July, August, September.
Time in Sines right now
Open full time & time zone page 18:22 22
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 Sines
Daylight in Sines today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 46m
Climate normals for Sines
Long-term monthly averages based on historical data.
January
Good 
February
Good March
Good April
Good May
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 10°C | 13°C / 7°C | 7days (49 mm) Good | 7.7h Good | 77% Humid | 2.9 Moderate | Good | View Details |
| February | 17°C / 10°C | 14°C / 8°C | 7days (49 mm) Good | 8.6h Good | 77% Humid | 4 Moderate | Good | View Details |
| March | 17°C / 11°C | 15°C / 8°C | 10days (87 mm) Wet | 9.8h Good | 75% Muggy | 5.3 High | Good | View Details |
| April | 19°C / 13°C | 18°C / 11°C | 10days (54 mm) Wet | 11.3h Excellent | 75% Muggy | 6.8 High | Good | View Details |
| May | 22°C / 15°C | 22°C / 13°C | 3days (29 mm) Excellent | 12.5h Excellent | 72% Muggy | 7.7 Very High | Excellent | View Details |
| June best | 24°C / 17°C | 24°C / 16°C | 2days (8 mm) Excellent | 13.1h Excellent | 72% Muggy | 7.8 Very High | Excellent | View Details |
| July best | 26°C / 18°C | 27°C / 18°C | 0days (1 mm) Excellent | 13h Excellent | 72% Muggy | 8 Very High | Excellent | View Details |
| August best | 26°C / 18°C | 27°C / 18°C | 0days (0 mm) Excellent | 12.3h Excellent | 71% Muggy | 7.5 Very High | Excellent | View Details |
| September best | 25°C / 17°C | 25°C / 17°C | 3days (16 mm) Excellent | 11h Excellent | 74% Muggy | 6.1 High | Excellent | View Details |
| October | 23°C / 16°C | 22°C / 16°C | 7days (60 mm) Good | 9.2h Good | 77% Humid | 4.6 Moderate | Excellent | View Details |
| November | 18°C / 13°C | 17°C / 11°C | 9days (58 mm) Wet | 8h Good | 79% Humid | 3.3 Moderate | Good | View Details |
| December | 16°C / 11°C | 15°C / 9°C | 8days (61 mm) Wet | 7.5h Good | 80% Humid | 2.7 Moderate | Good | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 15°C / 10°C . Feb: 17°C / 10°C . Mar: 17°C / 11°C . Apr: 19°C / 13°C . May: 22°C / 15°C . Jun: 24°C / 17°C . Jul: 26°C / 18°C . Aug: 26°C / 18°C . Sep: 25°C / 17°C . Oct: 23°C / 16°C . Nov: 18°C / 13°C . Dec: 16°C / 11°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 49 mm. Feb: 49 mm. Mar: 87 mm. Apr: 54 mm. May: 29 mm. Jun: 8 mm. Jul: 1 mm. Aug: 0 mm. Sep: 16 mm. Oct: 60 mm. Nov: 58 mm. Dec: 61 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 77%. Mar: 75%. Apr: 75%. May: 72%. Jun: 72%. Jul: 72%. Aug: 71%. Sep: 74%. Oct: 77%. Nov: 79%. Dec: 80%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 21 km/h . Mar: 23 km/h . Apr: 23 km/h . May: 23 km/h . Jun: 24 km/h . Jul: 24 km/h . Aug: 23 km/h . Sep: 21 km/h . Oct: 20 km/h . Nov: 21 km/h . Dec: 20 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 16°C . Feb: 15°C . Mar: 15°C . Apr: 16°C . May: 17°C . Jun: 19°C . Jul: 18°C . Aug: 18°C . Sep: 17°C . Oct: 19°C . Nov: 18°C . Dec: 17°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 6. Oct: UV 5. Nov: UV 3. Dec: UV 3.
Frequently Asked Questions
Sines has a population of approximately 12.8K.
The best months to visit Sines are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Sines receives approximately 472mm of rainfall annually across 66 rainy days.
Sines is located in Portugal, in the Europe region.