The best times to visit Tras-os-Montes for ideal weather are

May 21st 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.



Other Tras-os-Montes Travel Info

Weather in Tras-os-Montes


Average temperatures in Tras-os-Montes 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 Tras-os-Montes, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 86.6°F (30.3°C) with temperatures rarely dropping below 57.3°F (14.1°C) at night.

Tras-os-Montes Temperatures (Fahrenheit)


Tras-os-Montes Temperatures (Celsius)


“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.

Tras-os-Montes Perceived Temperature (F)


Tras-os-Montes Perceived Temperature (C)



Average Tras-os-Montes 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 48.2 40.6 34.4
Feb 52.3 42.5 34.5
Mar 59.2 47.9 38
Apr 63.8 52.7 42.7
May 70.6 58.3 46.4
Jun 78.3 65.5 52.7
Jul 84.8 70.7 56.5
Aug 85 70.6 56.1
Sep 78.5 65 53
Oct 67.3 56 46.6
Nov 55.1 46.1 38.5
Dec 48.7 40.5 33.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9 4.8 1.3
Feb 11.3 5.8 1.4
Mar 15.1 8.8 3.3
Apr 17.7 11.5 5.9
May 21.4 14.6 8
Jun 25.7 18.6 11.5
Jul 29.3 21.5 13.6
Aug 29.4 21.4 13.4
Sep 25.8 18.3 11.7
Oct 19.6 13.3 8.1
Nov 12.8 7.8 3.6
Dec 9.3 4.7 1.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Tras-os-Montes are July, August, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid July. For example, on the week of July 16th 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 2 days of significant precipitation the week of April 16th.

When can you find snow in Tras-os-Montes? 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 Tras-os-Montes.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Tras-os-Montes (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 0 3.1
Feb 27% 0 3.2
Mar 18% 0 1.9
Apr 23% 0 2.8
May 16% 0 1.8
Jun 9% 0 1.2
Jul 2% 0 0.3
Aug 4% 0 0.4
Sep 5% 0 0.9
Oct 16% 0 2.8
Nov 17% 0 2.3
Dec 21% 0 3.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 0 7.9
Feb 27 0 8.1
Mar 18 0 4.8
Apr 23 0 7.1
May 16 0 4.6
Jun 9 0 3
Jul 2 0 0.8
Aug 4 0 1
Sep 5 0 2.3
Oct 16 0 7.1
Nov 17 0 5.8
Dec 21 0 9.7


Humidity and Wind

Tras-os-Montes has some very humid months, and slightly dry months in the opposite season. The least humid month is August (39.9% relative humidity), and the most humid month is January (79.8%).

Wind in Tras-os-Montes is usually calm. The windiest month is March, followed by February and May. March’s average wind speed of around 5 knots (5.8 MPH or 9.3 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 11.6 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Tras-os-Montes.

Avg. Relative Humidity


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

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 4 Light breeze 8.7 Gentle breeze
Feb 4.8 Light breeze 10.5 Gentle breeze
Mar 5 Light breeze 10.7 Gentle breeze
Apr 4.7 Light breeze 10.1 Gentle breeze
May 4.8 Light breeze 10.2 Gentle breeze
Jun 4.6 Light breeze 9.5 Gentle breeze
Jul 4.6 Light breeze 9.3 Gentle breeze
Aug 4.4 Light breeze 9.2 Gentle breeze
Sep 3.8 Barely noticeable 8.5 Gentle breeze
Oct 3.5 Barely noticeable 8.3 Gentle breeze
Nov 3.9 Barely noticeable 8.9 Gentle breeze
Dec 3.4 Barely noticeable 7.9 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 79.8%
Feb 66.4%
Mar 54.8%
Apr 57.4%
May 52.7%
Jun 48.4%
Jul 40.8%
Aug 39.9%
Sep 47.9%
Oct 65.4%
Nov 74.8%
Dec 79.5%


Is it Safe to Travel to Tras-os-Montes?

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 Tras-os-Montes, 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 Tras-os-Montes 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

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 Tras-os-Montes Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.1°F (24.5°C) and 56.3°F (13.5°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 Tras-os-Montes, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 81.4°F (27.4°C) and 49.3°F (9.6°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 5 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 Tras-os-Montes to be enjoyable for warm weather travelers. The average high during this season is between 56.3°F (13.5°C) and 46.4°F (8°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are fairly slow with tourists.


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