Winter
Dec → Feb- 14 rainy days · 150 mm
- 6.1 h of sun
- sea 13°
RecommendedFairNot recommended· afternoon temperature
| Month | High | Low | Sunshine | Rainfall | Rainy days | Sea | Best |
|---|---|---|---|---|---|---|---|
| January | 12° | 5° | 5.7 h | 135 mm | 13 d | 13° | |
| February | 14° | 7° | 7 h | 98 mm | 12 d | 12° | |
| March | 16° | 8° | 8.4 h | 129 mm | 15 d | 13° | |
| April | 17° | 9° | 9.9 h | 104 mm | 13 d | 15° | |
| May | 20° | 13° | 11 h | 110 mm | 15 d | 17° | ✓ |
| June | 23° | 16° | 11.4 h | 116 mm | 15 d | 21° | ✓ |
| July | 24° | 17° | 12.1 h | 51 mm | 8 d | 23° | ✓ |
| August | 25° | 18° | 11.7 h | 73 mm | 11 d | 24° | ✓ |
| September | 24° | 16° | 10.2 h | 147 mm | 13 d | 23° | ✓ |
| October | 21° | 13° | 7.8 h | 138 mm | 13 d | 20° | ✓ |
| November | 16° | 9° | 6.3 h | 197 mm | 14 d | 17° | |
| December | 13° | 7° | 5.5 h | 217 mm | 17 d | 14° |
What the 2015-2024 records (Biarritz) show, season by season, to compare at a glance instead of reading twelve rows of a table.
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
Some links are affiliate links: we may earn a commission, at no extra cost to you. The selection does not depend on these links.
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h24 of daylight, in December 8h58, a difference of 6h26.
Calculated for the latitude of the reference point "Biarritz" (43.48°). Values on the 15th of each month, local solar time.
EventsFêtes de BayonneJuly to AugustTuna Festival in Saint-Jean-de-LuzJulyDetails ↓
favourablewith compromisesunfavourable
Grid derived from the records (temperature, rainfall, sea), not from an opinion.
What comes back every year, and when. One of these events fills the hotels and pushes prices up: something to aim for or to avoid, depending on what you want.
The whole town dresses in white and red for five days of brass bands, bullfights and tables set up outdoors, around the first weekend of August.
The port grills tuna in the open air, brass bands play on the quays and long tables take over the seafront, in early July.
Low season, lower prices
Low season, lower prices
Low season, lower prices
Low season, lower prices
Busy, without the crush
Busy, without the crush
High season, book early
High season, book early
Busy, without the crush
Busy, without the crush
Low season, lower prices
Quiet, then the holidays
January. Cool: 12 °C at best, 5 °C at night. Expect 13 days of rain in the month (135 mm). Sunshine gets scarcer (5.7 h a day). Sea at 13 °C, too cold to swim. Low season: fewer people, lower prices.
February. Cool: 14 °C at best, 7 °C at night. Expect 12 days of rain in the month (98 mm). Expect 7 h of sunshine a day. Sea at 12 °C, too cold to swim. Low season: fewer people, lower prices.
March. Cool: 16 °C at best, 8 °C at night. A very wet month, 129 mm of rain over 15 days. Expect 8.4 h of sunshine a day. Sea at 13 °C, too cold to swim. Low season: fewer people, lower prices.
April. Cool: 17 °C at best, 9 °C at night. Expect 13 days of rain in the month (104 mm). Plenty of sunshine: 9.9 h a day on average. Sea at 15 °C, too cold to swim. Low season: fewer people, lower prices.
May. Mild, 20 °C in the afternoon and 13 °C early in the morning. Frequent rain: 110 mm over 15 days. Plenty of sunshine: 11 h a day on average. Sea at 17 °C, too cold to swim. Busy season, without the crush.
June. Mild, 23 °C in the afternoon and 16 °C early in the morning. Frequent rain: 116 mm over 15 days. Plenty of sunshine: 11.4 h a day on average. Cool sea (21 °C), for the brave. Busy season, without the crush.
July. Mild, 24 °C in the afternoon and 17 °C early in the morning. Expect 8 days of rain in the month (51 mm). Plenty of sunshine: 12.1 h a day on average. The sea is at 23 °C: pleasant swimming. High season: book early.
August. 25 °C in the afternoon and 18 °C at night. Expect 11 days of rain in the month (73 mm). Plenty of sunshine: 11.7 h a day on average. The sea is at 24 °C: pleasant swimming. High season: book early.
September. Mild, 24 °C in the afternoon and 16 °C early in the morning. Expect 13 days of rain in the month (147 mm). Plenty of sunshine: 10.2 h a day on average. The sea is at 23 °C: pleasant swimming. Busy season, without the crush.
October. Mild, 21 °C in the afternoon and 13 °C early in the morning. Expect 13 days of rain in the month (138 mm). Expect 7.8 h of sunshine a day. Cool sea (20 °C), for the brave. Busy season, without the crush.
November. Cool: 16 °C at best, 9 °C at night. Frequent rain: 197 mm over 14 days. Expect 6.3 h of sunshine a day. Sea at 17 °C, too cold to swim. Low season: fewer people, lower prices.
December. Cool: 13 °C at best, 7 °C at night. A very wet month, 217 mm of rain over 17 days. Sunshine gets scarcer (5.5 h a day). Sea at 14 °C, too cold to swim. Quiet at the start of the month, then busier as the holidays approach.
Their best time overlaps with this one: worth comparing before you book.
May to October: over these months, recorded highs range from 20 to 25 °C, with 13 days of rain a month on average (2015-2024 records, Biarritz).
December: it is the wettest of the months to avoid, with 217 mm over 17 days of rain on average, according to 2015-2024 records at the reference point (Biarritz).
August, with 25 °C on average in the afternoon and 18 °C at night. 2015-2024 records (Biarritz).
January, with 12 °C at best during the day and 5 °C at night. 2015-2024 records (Biarritz).
July: 51 mm over 8 days of rain, against 217 mm in December, the wettest month.
July, with 12.1 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
The water reaches 22 °C or more in July, August, September (warmest 24 °C in August), measured in 2023-2024 on the nearest coast (Biarritz).
July: highs between 12 and 29 °C and no more than 9 days of rain a month according to 2015-2024 records (Biarritz), the safest windows for walking.
Photos: Alberto-g-rovi / CC BY 3.0 (Wikimedia Commons) · FrDr / CC BY 4.0 (Wikimedia Commons) · Jibi44 / CC BY-SA 4.0 (Wikimedia Commons) · Zewan / CC BY-SA 4.0 (Wikimedia Commons) · Luis del Prado / Pexels