Climate Insights for Lisbon
Climate Overview
The climate in Lisbon is temperate. The average annual temperature is 16°C and approximately 542 mm of precipitation falls per year. November is the wettest month, receiving around 83 mm of rainfall. Lisbon is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 10°C.The climate in Lisbon is temperate. The average annual temperature is 62°F and approximately 21.4 in of precipitation falls per year. November is the wettest month, receiving around 3.3 in of rainfall. Lisbon is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 50°F.
Temperature
Lisbon sees moderate temperature variation throughout the year, ranging from 10°C to 25°C. August is the warmest month, though highs remain moderate at 25°C with a mean of 21°C. January is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.Lisbon sees moderate temperature variation throughout the year, ranging from 50°F to 76°F. August is the warmest month, though highs remain moderate at 76°F with a mean of 69°F. January is the coolest month, with minimum temperatures around 50°F and an average of 54°F. Daily temperature variation is modest, with an average difference of 9°F between highs and lows. The sharpest temperature change occurs between October and November, with a 6°F shift in average temperatures.
Precipitation
Lisbon is a relatively dry area, receiving approximately 542 mm of precipitation annually, which averages out to around 45 mm per month. The wettest month is November, averaging 83 mm of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 1 mm. That's 82 mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Lisbon is a relatively dry area, receiving approximately 21.4 in of precipitation annually, which averages out to around 1.8 in per month. The wettest month is November, averaging 3.3 in of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 0 in. That's 3.2 in less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Lisbon is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 17km/h in winter, 18km/h in spring, 19km/h in summer, 16km/h in autumn.Lisbon is moderately windy, with an average annual wind speed of 11mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 12mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in October, with average winds dropping to 9mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10mph in winter, 11mph in spring, 12mph in summer, 10mph in autumn.
Best Time to Visit
The best time to visit Lisbon is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 35 mm per month. By contrast, January can be quite cold with temperatures dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Lisbon is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 1.4 in per month. By contrast, January can be quite cold with temperatures dropping to 50°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Lisbon based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Lisbon based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.