The best times to visit Bilbao Bay for ideal weather are
April 16th to November 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Bilbao Bay Travel Guide
Other Bilbao Bay Travel Info
Weather in Bilbao Bay
Average temperatures in Bilbao Bay vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 47th 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 Bilbao Bay, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 81.4°F (27.4°C) with temperatures rarely dropping below 61.7°F (16.5°C) at night.
Bilbao Bay Temperatures (Fahrenheit)
Bilbao Bay 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.
Bilbao Bay Perceived Temperature (F)
Bilbao Bay Perceived Temperature (C)
Average Bilbao Bay 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 Bilbao Bay 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 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 late January with an average of 4 days of significant precipitation the week of January 22nd.
When can you find snow in Bilbao Bay? 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 Bilbao Bay.
Snow on the Ground
The graph below shows the average snow on the ground in Bilbao Bay (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
Bilbao Bay has some humid months, and above average humidity throughout the year. The least humid month is March (61% relative humidity), and the most humid month is November (68.2%).
Wind in Bilbao Bay is usually calm. The windiest month is February, followed by March and April. February’s average wind speed of around 6.3 knots (7.3 MPH or 11.7 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 15.2 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Bilbao Bay.
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||5||Light breeze||12.2||Significant breeze|
|Feb||6.3||Light breeze||14.1||Significant breeze|
|Mar||6.2||Light breeze||14.1||Significant breeze|
|Apr||5.6||Light breeze||13||Significant breeze|
|May||5.5||Light breeze||12.6||Significant breeze|
|Jun||5||Light breeze||12.1||Significant breeze|
|Jul||4.8||Light breeze||11.8||Significant breeze|
|Aug||4.4||Light breeze||11.6||Significant breeze|
|Sep||4||Light breeze||10.7||Significant breeze|
|Oct||4.2||Light breeze||10.5||Gentle breeze|
|Nov||5.4||Light breeze||12.4||Significant breeze|
|Dec||5.2||Light breeze||11.8||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Bilbao Bay?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Spain; 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 04, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Bilbao Bay, Spain is July, followed by August and March. 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 Bilbao Bay 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 Bilbao Bay Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 72°F (22.2°C) and 59.5°F (15.3°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 very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 4 to 5 days of precipitation per month. June – August is the busiest season for tourism in Bilbao Bay, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 79.5°F (26.4°C) and 55.6°F (13.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 12 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 Bilbao Bay to be enjoyable for warm weather travelers. The average high during this season is between 59.6°F (15.3°C) and 53.3°F (11.8°C). On average, it rains or snows a great amount: 10 to 12 times per month. These times of year are fairly slow with tourists.