The best times to visit Portugal for ideal weather are

April 16th to October 14th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.


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Other Portugal Travel Info

Weather in Portugal

Temperature

Average temperatures in Portugal vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a fair chance of precipitation about half of the year. The area is more temperate than most — in the 67th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Portugal, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 81.5°F (27.5°C) with temperatures rarely dropping below 65.3°F (18.5°C) at night.

Portugal Temperatures (Fahrenheit)

Key
High
Average
Low

Portugal Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Portugal Perceived Temperature (F)

Key
High
Average
Low

Portugal Perceived Temperature (C)

Key
High
Average
Low

 

Average Portugal Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan58.953.448.3
Feb59.953.748.1
Mar6356.350.1
Apr65.95952.8
May70.162.956.2
Jun75.167.660.7
Jul7970.863.3
Aug80.672.164.6
Sep77.569.662.8
Oct71.965.159
Nov63.857.952.4
Dec59.754.249

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan14.911.99.1
Feb15.512.18.9
Mar17.213.510.1
Apr18.81511.6
May21.217.213.4
Jun23.919.815.9
Jul26.121.617.4
Aug2722.318.1
Sep25.320.917.1
Oct22.218.415
Nov17.714.411.3
Dec15.412.39.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Portugal are August, July, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid August. For example, on the week of August 6th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 2 days of significant precipitation the week of December 24th.

When can you find snow in Portugal? Weather stations report very large amounts of snow likely to be deepest around November, especially close to mid November. The best time to ski (if at all) in Portugal is often around around November 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Portugal.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Portugal (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan19%4.72.8
Feb21%29.12.6
Mar16%20.92.2
Apr17%13.42.3
May11%01.6
Jun7%00.8
Jul4%00.4
Aug3%00.4
Sep9%01.4
Oct16%12.92.8
Nov20%42.93.1
Dec20%0.43.4

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan1911.97.1
Feb2173.96.6
Mar1653.15.6
Apr17345.8
May1104.1
Jun702
Jul401
Aug301
Sep903.6
Oct1632.87.1
Nov201097.9
Dec2018.6

 

Humidity and Wind

Portugal has some very humid months, and above average humidity throughout the year. The least humid month is August (60.3% relative humidity), and the most humid month is January (74.7%).

Wind in Portugal is usually moderate. The windiest month is March, followed by February and April. March’s average wind speed of around 8.4 knots (9.6 MPH or 15.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early February where average top sustained speeds reach 14.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Portugal.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan7.6Gentle breeze12.4Significant breeze
Feb8.3Gentle breeze13.6Significant breeze
Mar8.4Gentle breeze13.5Significant breeze
Apr7.9Gentle breeze12.9Significant breeze
May7.8Gentle breeze12.7Significant breeze
Jun7.6Gentle breeze12.4Significant breeze
Jul7.5Gentle breeze12.3Significant breeze
Aug7.3Gentle breeze12.2Significant breeze
Sep6.8Light breeze11.6Significant breeze
Oct7.3Gentle breeze12.1Significant breeze
Nov7.5Gentle breeze12.4Significant breeze
Dec7.9Gentle breeze12.8Significant breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan74.7%
Feb70.1%
Mar65.4%
Apr66.5%
May63.8%
Jun63.1%
Jul61.5%
Aug60.3%
Sep62.8%
Oct67.9%
Nov69.7%
Dec73.6%

 

Is it Safe to Travel to Portugal?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Portugal; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Portugal is June, followed by July and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Portugal in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 39.5 in November means 39.5% of the tourists vs. June.


Overall Portugal Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 73.2°F (22.9°C) and 61.1°F (16.2°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 5 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 1 to 2 days of precipitation per month. June – August is the busiest season for tourism in Portugal, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 79.4°F (26.3°C) and 59.7°F (15.4°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Portugal to be enjoyable for warm weather travelers. The average high during this season is between 61.3°F (16.3°C) and 58.1°F (14.5°C). On average, it rains or snows a fair amount: consistently 6 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel › Portugal


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