The best times to visit Nelas for ideal weather are

May 7th to October 28th

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



Other Nelas Travel Info

Weather in Nelas


Average temperatures in Nelas 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 42nd 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 Nelas, 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 84.3°F (29.1°C) with temperatures rarely dropping below 60°F (15.6°C) at night.

Nelas Temperatures (Fahrenheit)


Nelas 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.

Nelas Perceived Temperature (F)


Nelas Perceived Temperature (C)



Average Nelas 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 50.8 44.5 39.7
Feb 52.8 45.2 39.6
Mar 58.7 49.9 42.9
Apr 62.7 53.3 46.1
May 68.5 58.3 49.6
Jun 75.3 64.2 54.8
Jul 81.4 68.1 57.3
Aug 82.6 69.1 58.4
Sep 77.3 66 57.2
Oct 67.2 58.9 52.5
Nov 56 49.2 44.1
Dec 51.9 45.4 40.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 10.4 6.9 4.3
Feb 11.6 7.3 4.2
Mar 14.8 9.9 6.1
Apr 17.1 11.8 7.8
May 20.3 14.6 9.8
Jun 24.1 17.9 12.7
Jul 27.4 20.1 14.1
Aug 28.1 20.6 14.7
Sep 25.2 18.9 14
Oct 19.6 14.9 11.4
Nov 13.3 9.6 6.7
Dec 11.1 7.4 4.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nelas 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 late August to early September. For example, on the week of August 27th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th.

When can you find snow in Nelas? 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 Nelas.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 31% 0 5.9
Feb 31% 0 4.2
Mar 23% 0 3.4
Apr 24% 0 4.4
May 22% 0 3.1
Jun 10% 0 1.6
Jul 4% 0 0.5
Aug 4% 0 0.4
Sep 12% 0 2.3
Oct 22% 0 5
Nov 29% 0 4.8
Dec 28% 0 6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 31 0 15
Feb 31 0 10.7
Mar 23 0 8.6
Apr 24 0 11.2
May 22 0 7.9
Jun 10 0 4.1
Jul 4 0 1.3
Aug 4 0 1
Sep 12 0 5.8
Oct 22 0 12.7
Nov 29 0 12.2
Dec 28 0 15.2


Humidity and Wind

Nelas has some very humid months, with other comfortably humid months. The least humid month is August (51% relative humidity), and the most humid month is January (76.8%).

Wind in Nelas is usually calm. The windiest month is March, followed by February and December. March’s average wind speed of around 7.9 knots (9.1 MPH or 14.7 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 late January where average top sustained speeds reach 14.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 7 Gentle breeze 11.9 Significant breeze
Feb 7.7 Gentle breeze 12.8 Significant breeze
Mar 7.9 Gentle breeze 13.1 Significant breeze
Apr 7 Gentle breeze 12.2 Significant breeze
May 6.8 Light breeze 12 Significant breeze
Jun 6.4 Light breeze 11.9 Significant breeze
Jul 6 Light breeze 11.4 Significant breeze
Aug 6.4 Light breeze 11.9 Significant breeze
Sep 6.7 Light breeze 12 Significant breeze
Oct 6.9 Light breeze 11.9 Significant breeze
Nov 7.2 Gentle breeze 12.3 Significant breeze
Dec 7.2 Gentle breeze 12.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 76.8%
Feb 68.5%
Mar 59.1%
Apr 63.5%
May 60.9%
Jun 58.9%
Jul 54.6%
Aug 51%
Sep 52.2%
Oct 63.7%
Nov 73.8%
Dec 73.3%


Is it Safe to Travel to Nelas?

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 Nelas, 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 Nelas 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 somewhat 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 Nelas Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.4°F (23°C) and 55.6°F (13.1°C) with warmer temperatures in the later months. Rain is somewhat common with roughly 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 Nelas, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80°F (26.7°C) and 50.9°F (10.5°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 9 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 Nelas to be enjoyable for warm weather travelers. The average high during this season is between 55.6°F (13.1°C) and 49.9°F (9.9°C). On average, it rains or snows a fair amount: 9 to 10 times per month. These times of year are fairly slow with tourists.


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