Weather Overview for Lisbon
one of Europe’s mildest capital cities. Summer
temperatures are warm and sometimes hot, while winters are mild and damp. Lisbon sees a lot of sunshine
(over 3300 hrs per year) and about 100 days of rain a year.
The weather in Lisbon is strongly
influenced by the Atlantic Ocean and most noticeably by the Gulf Stream, which
ensures the lack of extreme temperatures that can occur in central Portugal
Lisbon enjoys sunny and hot summers in general. Temperatures
are very agreeable in summer – generally varying between the high teens and
high 20s. It can, however, get much hotter and temperatures in the mid 30s are
not uncommon especially when there is no cooling sea breeze. Rainfall is very
low in summer, especially in July and August which average just 5mm of rain per
see a little more rain – about 20-25mm - but are still very dry. Summers are
generally reliable in Lisbon.
You are likely to get warm temperatures and lots of sunshine. The breezes of
the Atlantic ensure that temperatures don’t
often get uncomfortably hot, as can happen inland.
Winters are mild in Lisbon,
mainly thanks to the surrounding temperate ocean waters
and the Gulf Stream. January is the coldest
month with an average temperature of 10°C and highs and lows that vary between
7°C and 13°C. December is a degree warmer on average. Winter is the wet time in
dampest period lasts from November to
and these months see up to 115mm of rain on average. Winter can often be misty
and drizzly and windy, and can also be a time for storms that roll in off the Atlantic. Generally expect a fair amount of rainy days in
winter, although a sunny winter’s day can be very pleasant indeed and see
temperatures hitting the mid to high teens. Cold winter weather is rare in Lisbon, although the last
two years have seen brief snow flurries in January. This is not common and snow
is rare in Lisbon
and doesn’t last long.
Spring is an agreeable time in Lisbon with average
temperatures varying between the low and high teens. By late spring it is
not uncommon to get temperatures in the 20s and sunny weather. Rainfall is
moderate in spring. March sees
about 70mm of rain in the month and still has a number of rainy days, but the
weather quickly dries up throughout spring time and by May average rainfall is
down to 38mm. By May you begin to see the start of the excellent summer
Autumn is another good time in Lisbon, with very pleasant temperatures.
September still enjoys summer temperatures with sunny days in the high 20s
frequent. By October
it gets a little cooler but daily highs are still in the low 20s, while
November sees the temperature vary between the low and high teens. Rainfall begins to build throughout the autumn.
September sees just 25mm of rain on average, but October heralds the start of
the cities rainy period with 80mm on average. November is one of the wettest
months of the year with around 115mm of rain.
Like anywhere in the world, weather
varies year on year in Lisbon
and averages don’t tell the whole picture. Some summers can be much hotter than
others, and some winters much wetter. The city doesn’t receive too much unusual
weather but violent storms can occasionally roll in from the Atlantic
Ocean meaning a few days of very windy and wet weather. Torrential
downpours can occur and huge waves can batter the coastline.