The best times to visit Douro Valley for ideal weather are

May 7th to October 21st

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


Book a Trip Here Now

 


    Weather in Douro Valley

    Temperature

    Average temperatures in Douro Valley vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 41st 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 Douro Valley, 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 85.3°F (29.6°C) with temperatures rarely dropping below 59.6°F (15.3°C) at night.

    Douro Valley Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Douro Valley 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.

    Douro Valley Perceived Temperature (F)

    Key
    High
    Average
    Low

    Douro Valley Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Douro Valley 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)
    Jan49.943.338.1
    Feb53.54538.5
    Mar59.949.941.9
    Apr64.353.945.6
    May70.559.149.1
    Jun77.365.154.4
    Jul8369.557.6
    Aug83.769.858.2
    Sep78.86656.2
    Oct68.258.250.7
    Nov55.848.442.5
    Dec50.343.738.4

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan9.96.33.4
    Feb11.97.23.6
    Mar15.59.95.5
    Apr17.912.27.6
    May21.415.19.5
    Jun25.218.412.4
    Jul28.320.814.2
    Aug28.72114.6
    Sep2618.913.4
    Oct20.114.610.4
    Nov13.29.15.8
    Dec10.26.53.6


     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Douro Valley are July, August, 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 3 days of significant precipitation the week of December 24th.

    When can you find snow in Douro Valley? Weather stations report a very small amount of seasonal snow likely to be deepest around January, especially close to early to mid January. The best time to ski (if at all) in Douro Valley is often around around January 8th 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.

    Chanceof Precipitation

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

    Key
    Days with precipitation

    Snow on the Ground

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

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan29%0.84.9
    Feb29%03.9
    Mar19%02.8
    Apr23%02.9
    May17%02.1
    Jun11%01.2
    Jul4%00.4
    Aug4%00.4
    Sep11%01.8
    Oct20%03.7
    Nov26%04
    Dec26%04.9

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan29212.4
    Feb2909.9
    Mar1907.1
    Apr2307.4
    May1705.3
    Jun1103
    Jul401
    Aug401
    Sep1104.6
    Oct2009.4
    Nov26010.2
    Dec26012.4

     

    Humidity and Wind

    Douro Valley has some very humid months, with other moderately humid months on the other side of the year. The least humid month is August (48.5% relative humidity), and the most humid month is January (80.7%).

    Wind in Douro Valley is usually extremely calm. The windiest month is July, followed by March and August. July’s average wind speed of around 4.3 knots (4.9 MPH or 7.9 KPH) is considered “a light 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 9.4 knots, which is considered a gentle breeze.

    Relative Humidity (%)

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

    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
    Jan3.5Barely noticeable7.4Gentle breeze
    Feb4.1Light breeze8.6Gentle breeze
    Mar4.2Light breeze8.5Gentle breeze
    Apr3.9Barely noticeable8.1Gentle breeze
    May4.1Light breeze8.6Gentle breeze
    Jun4.1Light breeze8.7Gentle breeze
    Jul4.3Light breeze9.1Gentle breeze
    Aug4.2Light breeze9Gentle breeze
    Sep3.4Barely noticeable7.3Gentle breeze
    Oct2.9Barely noticeable6.4Light breeze
    Nov3.3Barely noticeable7.1Gentle breeze
    Dec3.1Barely noticeable6.5Light breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan80.7%
    Feb68.2%
    Mar58.2%
    Apr61.7%
    May57.9%
    Jun55%
    Jul50.2%
    Aug48.5%
    Sep52%
    Oct65.7%
    Nov75.7%
    Dec78.9%

     

    Is it Safe to Travel to Douro Valley?

    Our best data indicates this area is generally safe. As of Mar 17, 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 Oct 15, 2018.


     

    The Busiest and Least Crowded Months

    The busiest month for tourism in Douro Valley, Portugal is May, followed by August and July. 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 Douro Valley 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 37.1 in November means 37.1% of the tourists vs. May.


    Overall Douro Valley Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 75.4°F (24.1°C) and 56.9°F (13.8°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 7 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 3 days of precipitation per month. June – August is the busiest season for tourism in Douro Valley, so lodging and other accommodations may cost more than usual.

    Fall (September through November)

    Fall daily highs range from 81.3°F (27.4°C) and 50.2°F (10.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 8 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 Douro Valley to be enjoyable for warm weather travelers. The average high during this season is between 56.9°F (13.8°C) and 48.2°F (9°C). On average, it rains or snows a fair amount: 8 to 9 times per month. These times of year are fairly slow with tourists.

     

    Best Times to TravelPortugal › Douro Valley, Portugal


    Book a Trip Here Now