The best times to visit Olhao for ideal weather are
February 19th to July 1st
September 3rd to December 23rd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Olhao Travel Guide
Other Olhao Travel Info
Weather in Olhao
Average temperatures in Olhao vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 70th 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 Olhao, 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 86.6°F (30.3°C) with temperatures rarely dropping below 69.2°F (20.7°C) at night.
Olhao Temperatures (Fahrenheit)
Olhao Temperatures (Celsius)
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.
Olhao Perceived Temperature (F)
Olhao Perceived Temperature (C)
Average Olhao 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Olhao 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 late May to early June. For example, on the week of May 28th 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 Olhao? 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 Olhao.
Snow on the Ground
The graph below shows the average snow on the ground in Olhao (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Olhao has some very humid months, with other moderately humid months on the other side of the year. The least humid month is July (49.7% relative humidity), and the most humid month is January (72.7%).
Wind in Olhao is usually moderate. The windiest month is February, followed by April and March. February’s average wind speed of around 8.7 knots (10.1 MPH or 16.2 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 mid May where average top sustained speeds reach 16.6 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Olhao.
The graph below shows wind speed (max and average) in knots.
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||7.4||Gentle breeze||13.6||Significant breeze|
|Feb||8.7||Gentle breeze||15.6||Significant breeze|
|Mar||8.6||Gentle breeze||15.4||Significant breeze|
|Apr||8.7||Gentle breeze||15.7||Significant breeze|
|May||8.5||Gentle breeze||15.3||Significant breeze|
|Jun||8||Gentle breeze||14.7||Significant breeze|
|Jul||7.8||Gentle breeze||14.5||Significant breeze|
|Aug||7.1||Gentle breeze||13.8||Significant breeze|
|Sep||7||Gentle breeze||13.3||Significant breeze|
|Oct||7||Gentle breeze||13.6||Significant breeze|
|Nov||7.3||Gentle breeze||14.1||Significant breeze|
|Dec||7.8||Gentle breeze||14||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Olhao?
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 Olhao, Portugal is January, followed by August and February. 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 Olhao 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
Overall Olhao Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 78.7°F (25.9°C) and 64.6°F (18.1°C) with warmer temperatures in the later months. Rain is rare with 1 to 4 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
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 about 0 days of precipitation per month. June – August is the busiest season for tourism in Olhao, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 80.6°F (27°C) and 62.8°F (17.1°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 4 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 somewhat cool this time of year in Olhao to be enjoyable for warm weather travelers. The average high during this season is between 64.6°F (18.1°C) and 60.9°F (16.1°C). On average, it rains or snows a fair amount: 4 to 5 times per month. These times of year are the second busiest with tourists.