Lisbon, Portugal Weather
Lisbon hourly forecast: next 24 hours
Today's high of 84°F (29°C) is right in line with the typical August high of 83°F (28°C).
Current conditions in detail
Lisbon weather tomorrow (Friday, August 7)
Tomorrow in Lisbon looks sunny, with a high of 86° and an overnight low of 67°. Rain is unlikely (4% chance). Winds top out near 15 mph, and the UV index reaches 8 (very high).
Lisbon 14-day forecast
About the weather in Lisbon
Lisbon has a Mediterranean climate, marked by hot, dry summers and mild, wetter winters. Average daytime highs range from about 58°F (15°C) in January to around 83°F (28°C) in August, and the city records roughly 72 days of measurable precipitation a year.
Lisbon weather: quick facts
- Hottest month: August - highs near 83°F (28°C)
- Coldest month: January - highs near 58°F (15°C)
- Record high: 107°F (42°C) · Record low: 35°F (2°C) (2015–2024)
- Wettest month: October (10 rainy days) · Sunniest: July (13.4 h sun/day)
- Climate type: Mediterranean - hot, dry summers and mild, wetter winters
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 83°F (28°C) and overnight lows stay near 65°F (18°C). The coolest month is January, with typical highs of 58°F (15°C) and lows around 48°F (9°C). Based on 2015–2024 weather data, temperatures have reached as high as 107°F (42°C) and dropped as low as 35°F (2°C).
Rain, sun and snow
October is usually the wettest month. It brings about 3.1 inches (78 mm) of rain over 10 days, while August is the driest. July brings the most sunshine, averaging 13.4 hours of sun a day.
Season by season
Spring (March through May)
Spring in Lisbon stays on the cool side of mild, with daytime highs averaging 68°F (20°C) and nights around 54°F (12°C); expect showers on roughly 22 days across the season.
Summer (June through August)
Summer in Lisbon is mild and warm, with daytime highs averaging 80°F (27°C) and nights around 64°F (18°C); precipitation is infrequent.
Fall (September through November)
Fall in Lisbon is pleasantly warm, with daytime highs averaging 72°F (22°C) and nights around 59°F (15°C); expect showers on roughly 23 days across the season.
Winter (December through February)
Winter in Lisbon stays on the cool side of mild, with daytime highs averaging 60°F (15°C) and nights around 49°F (10°C); expect showers on roughly 21 days across the season.
Average temperatures in Lisbon by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 58° | 48° | 8 | 2.2 in | 7.7 h/day | 81% |
| February | 61° | 49° | 6 | 1.9 in | 8.5 h/day | 78% |
| March | 63° | 51° | 9 | 2.3 in | 9.9 h/day | 75% |
| April | 67° | 54° | 9 | 2.4 in | 11.1 h/day | 75% |
| May | 73° | 58° | 4 | 1.5 in | 12.4 h/day | 70% |
| June | 77° | 62° | 4 | 0.6 in | 13.3 h/day | 71% |
| July | 82° | 65° | 1 | 0.1 in | 13.4 h/day | 68% |
| August | 83° | 65° | 1 | 0.1 in | 12.4 h/day | 68% |
| September | 79° | 64° | 4 | 1.2 in | 11.1 h/day | 71% |
| October | 73° | 60° | 10 | 3.1 in | 9.1 h/day | 76% |
| November | 65° | 54° | 10 | 2.9 in | 7.6 h/day | 81% |
| December | 61° | 51° | 7 | 3.0 in | 7.4 h/day | 83% |