The best times to visit Serra da Estrela for ideal weather are

June 18th to October 7th

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

 

 


Other Serra da Estrela Travel Info

Weather in Serra da Estrela

Temperature

Average temperatures in Serra da Estrela 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 less temperate than some — in the 29th 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 Serra da Estrela, 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 75.6°F (24.2°C) with temperatures rarely dropping below 56.4°F (13.6°C) at night.

Serra da Estrela Temperatures (Fahrenheit)

Key
High
Average
Low

Serra da Estrela 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.

Serra da Estrela Perceived Temperature (F)

Key
High
Average
Low

Serra da Estrela Perceived Temperature (C)

Key
High
Average
Low

 

Average Serra da Estrela 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

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 43.8 38.1 33.4
Feb 43.3 37 32.1
Mar 48.7 41.2 35.3
Apr 51.8 44.5 38.5
May 58.4 50.5 43.5
Jun 65.8 57.6 50.2
Jul 73 63.4 55
Aug 74 64.3 55.7
Sep 67.9 59 52
Oct 58 51.2 45.8
Nov 47.7 42.2 37.5
Dec 45.3 39.5 34.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 6.6 3.4 0.8
Feb 6.3 2.8 0.1
Mar 9.3 5.1 1.8
Apr 11 6.9 3.6
May 14.7 10.3 6.4
Jun 18.8 14.2 10.1
Jul 22.8 17.4 12.8
Aug 23.3 17.9 13.2
Sep 19.9 15 11.1
Oct 14.4 10.7 7.7
Nov 8.7 5.7 3.1
Dec 7.4 4.2 1.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Serra da Estrela 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 July. For example, on the week of July 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid April with an average of 3 days of significant precipitation the week of April 16th.

When can you find snow in Serra da Estrela? Weather stations report no annual snow. 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 Serra da Estrela.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Serra da Estrela (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 32% 0 7.7
Feb 30% 0 5.3
Mar 29% 0 5.5
Apr 32% 0 6.1
May 25% 0 3
Jun 12% 0 1.8
Jul 2% 0 0.2
Aug 4% 0 0.5
Sep 13% 0 2.5
Oct 23% 0 6.5
Nov 32% 0 6.4
Dec 30% 0 6.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 32 0 19.6
Feb 30 0 13.5
Mar 29 0 14
Apr 32 0 15.5
May 25 0 7.6
Jun 12 0 4.6
Jul 2 0 0.5
Aug 4 0 1.3
Sep 13 0 6.4
Oct 23 0 16.5
Nov 32 0 16.3
Dec 30 0 15.5

 

Humidity and Wind

Serra da Estrela has some very humid months, with other moderately humid months on the other side of the year. The least humid month is August (42.7% relative humidity), and the most humid month is November (76.7%).

Wind in Serra da Estrela is usually moderate. The windiest month is March, followed by February and May. March’s average wind speed of around 11 knots (12.7 MPH or 20.4 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late May where average top sustained speeds reach 23.7 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Serra da Estrela.

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.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 10.5 Gentle breeze 18.7 Strong breeze
Feb 10.9 Gentle breeze 19.5 Strong breeze
Mar 11 Significant breeze 20 Strong breeze
Apr 10.6 Gentle breeze 18.9 Strong breeze
May 10.8 Gentle breeze 18.4 Strong breeze
Jun 9.6 Gentle breeze 17.7 Strong breeze
Jul 10.7 Gentle breeze 18.6 Strong breeze
Aug 9.7 Gentle breeze 17.6 Strong breeze
Sep 7.7 Gentle breeze 14.7 Strong breeze
Oct 9.1 Gentle breeze 16.8 Significant breeze
Nov 10.7 Gentle breeze 19.9 Strong breeze
Dec 10.5 Gentle breeze 19.2 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 71.2%
Feb 72.1%
Mar 65.6%
Apr 70.4%
May 62.6%
Jun 56.1%
Jul 44.7%
Aug 42.7%
Sep 52.6%
Oct 66.2%
Nov 76.7%
Dec 69.6%

 

Is it Safe to Travel to Serra da Estrela?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 30, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Serra da Estrela, 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 Serra da Estrela 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 Serra da Estrela Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 64.1°F (17.8°C) and 47.4°F (8.6°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 10 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 comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 1 to 4 days of precipitation per month. June – August is the busiest season for tourism in Serra da Estrela, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 71.3°F (21.8°C) and 42.3°F (5.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 10 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 Serra da Estrela to be enjoyable for warm weather travelers. The average high during this season is between 47.4°F (8.6°C) and 40.8°F (4.9°C). On average, it rains or snows a fair amount: 8 to 10 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› Portugal › Serra da Estrela, Portugal