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Bilbao in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Bilbao in May will be like? Take a look at our weather guide for Bilbao, based on historical data.
Check flight prices to Bilbao on Avionero:
May

Weather in Bilbao in May 2024

Good Weather
Mild
☁️
Cloudy
Weather for Bilbao in May is typically good with an average maximum temperature of +64°F during the day, and approximately 5 sunny days monthly. Typically, there are about 10 rainy days with the total average precipitation that falls in May around 83 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+64°F
Avg. max. temperature
+37°F
Min.
+95°F
Max.
83 mm
Total precipitation
73%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
16 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Bilbao has good weather in May.

Average temperature in Bilbao in May

Here are the expected maximum, average and minimum temperatures in Bilbao for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +90°F during the day to a minimum of +48°F during the night, the temperature in May averages around +73°F.

The average maximum temperature goes up 39% by the end of the month, compared with the beginning of the month, from +63°F to +79°F.

Is Bilbao warm or cold in May?

Bilbao is typically mild in May.

Maximum temperatures go up compared to the previous month from +59°F to +64°F. The minimum temperature also goes up from +50°F to +54°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Bilbao:

Climate in Bilbao in May

Bilbao weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+59°F+64°F+70°F
Min. temperature
+36°F+37°F+46°F
Max. temperature
+88°F+95°F+106°F
Rainfall
105 mm83 mm69 mm
Wind
2 m/s2 m/s2 m/s
Humidity
72%73%75%
Air pressure
1014 HPa1015 HPa1017 HPa
Sunny days
555
Cloudy days
131618
Rainy days
12107
Snowy days
000

May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +59°F to +64°F during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 105 mm to 83 mm. Humidity rises from 72% to 73%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.

June brings much the same weather, it remains good.

Wind

Wind speed in Bilbao in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Bilbao is gradually decreasing during May, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Bilbao based on historical data.
Last Year
Historical Data
Total precipitation in May is about 52 mm, with a 32% chance of rain on a typical day. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. May is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Bilbao wettest month is November, where a typical day has a 40% chance of precipitation and 135 mm of rainfall per day. July, on the other hand, is the driest month with a mere 19% chance of precipitation and 57 mm of rainfall per day.

How was the weather last May in Bilbao?

This is the weather in Bilbao in May 2023:
1 May
☁️
+62°F
2 May
☁️
+61°F
3 May
☁️
+62°F
4 May
☁️
+63°F
5 May
☁️
+64°F
6 May
☁️
+64°F
7 May
☀️
+71°F
8 May
☀️
+71°F
9 May
☀️
+79°F
10 May
☀️
+77°F
11 May
☁️
+82°F
12 May
☁️
+67°F
13 May
☁️
+75°F
14 May
☁️
+81°F
15 May
☀️
+84°F
16 May
☀️
+86°F
17 May
☀️
+87°F
18 May
☀️
+90°F
19 May
☀️
+76°F
20 May
☁️
+68°F
21 May
☀️
+79°F
22 May
☀️
+85°F
23 May
🌧️
+66°F
24 May
🌧️
+61°F
25 May
🌧️
+64°F
26 May
☁️
+66°F
27 May
☁️
+69°F
28 May
☁️
+74°F
29 May
☀️
+76°F
30 May
☀️
+73°F
31 May
☀️
+78°F
In May 2023 Bilbao had 14 sunny days, 14 cloudy days, and 3 rainy days. The average maximum temperature was +73°F, with an absolute maximum of +90°F and a minimum of +61°F. The average humidity was 70%, with a maximum of 90% and a minimum of 24%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Bilbao climate has changed over the last 43 years.

The climate in Bilbao in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+61°F) and the highest in 2016 (+81°F). The driest year was 1987 with only 23 mm of rainfall, and the wettest year was 2008 with 180 mm.

FAQ

Frequently asked questions about the weather in Bilbao in May:

Is May a good time to visit Bilbao?

May is a really good time to go to Bilbao. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Bilbao.

Can you sunbathe in Bilbao in May?

May has mild temperatures in Bilbao. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Bilbao rainy in May?

Bilbao is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Bilbao in May?

Usually, it’s not very sunny in Bilbao in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Spain

Check out the weather for other cities in Spain.

Monthly weather in Bilbao

Source of the data

For this page, we’ve looked at the typical weather in Bilbao, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.