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Weather in Biarritz for May 2026

Your guide to Biarritz weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Biarritz at the beginning of May is 18 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.9 °C by the end of May.

    • Rain 🌧️

  • Biarritz experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 151.4 mm.

    • More

  • Is May a good time to visit Biarritz? check out the best time to travel to Biarritz page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/12°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Biarritz Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
17°
2
Partly cloudy
19°
3
Partly cloudy
21°
4
Cloudy
19°
5
Sunny
19°
6
Cloudy
15°
7
Patchy rain possible
16°
8
Patchy rain possible
17°
9
Moderate or heavy rain shower
18°
10
Patchy rain possible
19°
11
Moderate or heavy rain shower
17°
12
Moderate or heavy rain shower
16°
13
Moderate or heavy rain shower
20°
14
Light rain shower
16°
15
Light rain shower
15°
16
Moderate rain at times
16°
17
Partly cloudy
17°
18
Patchy rain possible
19°
19
Patchy rain possible
17°
20
Light rain shower
16°
21
Patchy rain possible
17°
22
Patchy rain possible
16°
23
Patchy rain possible
16°
24
Patchy rain possible
16°
25
Patchy rain possible
19°
26
Patchy rain possible
19°
27
Cloudy
20°
28
Patchy rain possible
20°
29
Moderate rain at times
21°
30
Patchy rain possible
21°
31
Cloudy
19°

Temperatures trend during May in Biarritz

See the weather trend as well as the moving average line

May weather in Biarritz day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 17° /10° 12.6 mm 4
2 May Partly cloudy
Partly cloudy
 19° /10° 3.5 mm 5
3 May Partly cloudy
Partly cloudy
 21° /10° 0.7 mm 5
4 May Cloudy
Cloudy
 19° /12° 2.6 mm 4
5 May Sunny
Sunny
 19° /11° 7.7 mm 5
6 May Cloudy
Cloudy
 15° /10° 3.5 mm 3
7 May Patchy rain possible
Patchy rain possible
 16° /11° 4.3 mm 3
8 May Patchy rain possible
Patchy rain possible
 17° /11° 0.4 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /11° 4.3 mm 5
10 May Patchy rain possible
Patchy rain possible
 19° /11° 3.6 mm 5
11 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 13.6 mm 4
12 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /11° 7.4 mm 4
13 May Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /10° 8.3 mm 4
14 May Light rain shower
Light rain shower
 16° /11° 11.2 mm 4
15 May Light rain shower
Light rain shower
 15° /12° 4.6 mm 4
16 May Moderate rain at times
Moderate rain at times
 16° /11° 3.8 mm 4
17 May Partly cloudy
Partly cloudy
 17° /10° 2.5 mm 5
18 May Patchy rain possible
Patchy rain possible
 19° /10° 3.1 mm 5
19 May Patchy rain possible
Patchy rain possible
 17° /12° 12.5 mm 4
20 May Light rain shower
Light rain shower
 16° /12° 4.5 mm 4
21 May Patchy rain possible
Patchy rain possible
 17° /11° 1.7 mm 4
22 May Patchy rain possible
Patchy rain possible
 16° /12° 3.9 mm 4
23 May Patchy rain possible
Patchy rain possible
 16° /12° 3 mm 4
24 May Patchy rain possible
Patchy rain possible
 16° /13° 0.6 mm 4
25 May Patchy rain possible
Patchy rain possible
 19° /11° 0.3 mm 5
26 May Patchy rain possible
Patchy rain possible
 19° /12° 0.5 mm 5
27 May Cloudy
Cloudy
 20° /12° 0.3 mm 5
28 May Patchy rain possible
Patchy rain possible
 20° /12° 0.2 mm 5
29 May Moderate rain at times
Moderate rain at times
 21° /13° 0.4 mm 6
30 May Patchy rain possible
Patchy rain possible
 21° /15° 2.1 mm 5
31 May Cloudy
Cloudy
 19° /14° 0.4 mm 5
Next
Important Notice
Our weather forecast for Biarritz in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Biarritz forecast closer to your planned date for the most up-to-date weather information.
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Biarritz in May - FAQ

What are the expected maximum and minimum temperatures in Biarritz during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Biarritz during May?
Significant rainfall exceeding 151.4 mm is expected in Biarritz during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Biarritz during May?
The average wind speed in Biarritz during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Biarritz water temperatures in May

The average water temperature of the Atlantic Ocean near Biarritz in May is 16.5 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Biarritz in May?
The average water temperature in Biarritz in May is 16.5 °C.
Can you swim in Biarritz in May?
Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.

What to pack to Biarritz in May?

As you prepare for your trip to Biarritz in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Biarritz, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Biarritz

Explore the daily rainfall trends and prepare for Biarritzs May weather 💧

UV exposure in Biarritz during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Biarritz?

Get accurate weather forecasts for Biarritz, located at latitude 43.481 and longitude -1.557. Stay updated with localized weather information tailored for Biarritz.

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