AI-generatedBayonne at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 24°
- Warmest sea
- Aug · 22.2°
- Sunshine a year
- 1,920 h
- Rain a year
- 1,247 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 6 m
Climate in Bayonne
Bayonne has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 24 °C, while January is the coolest at 11 °C. With around 1,920 hours of sunshine a year, Bayonne is moderately sunny; July is the sunniest month with 7.0 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 14°
- Midday, 13:00: about 19°
- Afternoon, 16:00: about 20°
- Evening, 20:00: about 17°
- Night, 23:00: about 16°
08:1819:25
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 08:01–08:57 · evening 18:46–19:42
- Blue hour
- Morning 07:50–08:01 · evening 19:42–19:53
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Bayonne in October?
In October, Bayonne is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 109 mm in total. All in all, October is not an ideal month for a holiday in Bayonne.
More details for October
- Daylight
- 11 h 6 min08:18 – 19:25
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %12 %
- Seaweight 25 %23 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 20 %42 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sea temperature in Bayonne
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 17.3 – 19.6 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Bayonne ranges from 12.2 °C in February to 22.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 21.5 and 23.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 12.7° | 12.0° | 13.6° | cold |
| FebruaryFeb | 12.2° | 11.5° | 13.0° | cold |
| MarchMar | 12.5° | 11.8° | 13.2° | cold |
| AprilApr | 13.8° | 13.1° | 14.6° | cold |
| MayMay | 16.1° | 15.3° | 17.2° | cold |
| JuneJun | 19.3° | 18.5° | 20.6° | fresh |
| JulyJul | 21.4° | 20.4° | 22.8° | refreshing |
| AugustAug | 22.2° | 21.5° | 23.2° | refreshing |
| SeptemberSep | 21.0° | 19.8° | 21.8° | refreshing |
| OctoberOct | 18.6° | 17.3° | 19.6° | fresh |
| NovemberNov | 16.0° | 14.8° | 17.1° | cold |
| DecemberDec | 13.9° | 13.0° | 15.0° | cold |
Sunshine hours in Bayonne
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.7 of 11.1 hours of daylight in Bayonne, 42 % of the day.
Sunshine hours: measured at the weather station 6 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Bayonne
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 50 min
- Light brown skin
- about 70 min
- Olive skin
- about 90 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Bayonne: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Bayonne has about 12 rainy days with 109 mm of rain in total.
Wind and clouds in Bayonne
How breezy and how cloudy Bayonne is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Bayonne typically peaks at 18 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Nov – Mar.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 61 % of the sky over Bayonne: variable cloud, with about 4.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Bayonne
How often the day gets hot in Bayonne (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Bayonne has about 0 hot days, with an average daytime high of 20 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Bayonne
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- muggy month (10+ muggy days)
CoolOctober: nights around 14°. A duvet at night and a jumper for the evening.
The coolest nights are in February (6°), the warmest in August (18°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 27 days a year, mostly in August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 5 | 11° | 6° | 12.7° | 3.1 h | 14 | 134 |
| FebruaryFeb | 11 | 12° | 6° | 12.2° | 4.1 h | 13 | 106 |
| MarchMar | 15 | 14° | 7° | 12.5° | 5.3 h | 13 | 102 |
| AprilApr | 15 | 16° | 9° | 13.8° | 5.7 h | 14 | 99 |
| MayMay | 17 | 19° | 12° | 16.1° | 6.3 h | 14 | 94 |
| JuneJun | 47 | 22° | 16° | 19.3° | 6.9 h | 11 | 80 |
| JulyJul | 64 | 23° | 17° | 21.4° | 7.0 h | 11 | 61 |
| AugustAug | 70 | 24° | 18° | 22.2° | 6.9 h | 11 | 67 |
| SeptemberSep | 55 | 22° | 16° | 21.0° | 6.6 h | 11 | 85 |
| OctoberOct | 24 | 20° | 14° | 18.6° | 4.7 h | 12 | 109 |
| NovemberNov | 4 | 15° | 9° | 16.0° | 3.4 h | 16 | 177 |
| DecemberDec | 5 | 12° | 7° | 13.9° | 2.9 h | 14 | 135 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
43.49° N, 1.47° W · 6 m · Europe/Paris
Best time to visit Bayonne
The best time to visit Bayonne is from July to August. For a beach holiday with the sea above 21 °C, go from July to August. For sightseeing, day trips and hiking, conditions are most comfortable from June to September. Rain is most frequent from October to May; the wettest month is November with 177 mm.
Bayonne through the seasons
How the weather changes over the seasons, with averages for each.
Bayonne in spring
Mar – May
Poor
- 14–19 °C by day
- Sea 14 °C
- 6 h of sun a day
- 40 rainy days in all
Bayonne in summer
Jun – Aug
Good
- 22–24 °C by day
- Sea 21 °C
- 7 h of sun a day
- 33 rainy days in all
Bayonne in autumn
Sep – Nov
Poor
- 15–22 °C by day
- Sea 19 °C
- 5 h of sun a day
- 39 rainy days in all
Bayonne in winter
Dec – Feb
Poor
- 11–12 °C by day
- Sea 13 °C
- 3 h of sun a day
- 41 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Bayonne for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Bayonne
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Bayonne: score 70 against 24. In August, days are 4 °C warmer than in October. The sea is 4 °C warmer in August. August has one rainy day fewer. The sun shines 2 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 24 | 70better |
| Day high | 20° | 24° |
| Night low | 14° | 18° |
| Sea | 18.6° | 22.2° |
| Sunshine | 4.7 h | 6.9 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 109 mm | 67 mmbetter |
| Muggy days | 0better | 11 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jul – Aug
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun – Sep
15–28 °C and not too much rain
Rainy months
Oct – May
12 or more rainy days
Bayonne month by month
The typical weather for every month at a glance.
5January11° · Sea 13° · 3 h
In January, Bayonne is cool: daytime highs average 11 °C, and nights cool down to about 6 °C. The sea averages 12.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 14 days, adding up to 134 mm. All in all, January is not an ideal month for a holiday in Bayonne.
Bayonne in January11February12° · Sea 12° · 4 h
In February, Bayonne is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 12.2 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 106 mm in total. All in all, February is not an ideal month for a holiday in Bayonne.
Bayonne in February15March14° · Sea 13° · 5 h
In March, Bayonne is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 12.5 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 102 mm in total. All in all, March is not an ideal month for a holiday in Bayonne.
Bayonne in March15April16° · Sea 14° · 6 h
In April, Bayonne is mild: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 13.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 99 mm in total. All in all, April is not an ideal month for a holiday in Bayonne.
Bayonne in April17May19° · Sea 16° · 6 h
In May, Bayonne is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 94 mm in total. All in all, May is not an ideal month for a holiday in Bayonne.
Bayonne in May47June22° · Sea 19° · 7 h
In June, Bayonne is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 19.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 80 mm in total. All in all, June is a so-so month for a holiday in Bayonne.
Bayonne in June64July23° · Sea 21° · 7 h
In July, Bayonne is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 21.4 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, July is a good month for a holiday in Bayonne.
Bayonne in July70August24° · Sea 22° · 7 h
In August, Bayonne is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 22.2 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 67 mm in total. All in all, August is a good month for a holiday in Bayonne.
Bayonne in August55September22° · Sea 21° · 7 h
In September, Bayonne is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 21.0 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 85 mm in total. All in all, September is a so-so month for a holiday in Bayonne.
Bayonne in September24October20° · Sea 19° · 5 h
In October, Bayonne is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 109 mm in total. All in all, October is not an ideal month for a holiday in Bayonne.
Bayonne in October4November15° · Sea 16° · 3 h
In November, Bayonne is cool: daytime highs average 15 °C, and nights cool down to about 9 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 16 days, adding up to 177 mm. All in all, November is not an ideal month for a holiday in Bayonne.
Bayonne in November5December12° · Sea 14° · 3 h
In December, Bayonne is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 13.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 14 days, adding up to 135 mm. All in all, December is not an ideal month for a holiday in Bayonne.
Bayonne in DecemberBayonne compared
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Bayonne vs. Biarritz
In October the holiday weather in Bayonne and Biarritz is about equally good (score 24 vs. 24). During the day it is about as warm in Biarritz as in Bayonne. The sea is about equally warm.
| in October | Bayonne | Biarritz |
|---|---|---|
| Holiday score | 24 | 24 |
| Daytime high | 20° | 20° |
| Sea | 19° | 19° |
| Sunshine | 5 h | 5 h |
| Rainy days | 12 | 12 |
| Best time | Jul – Aug | Jul – Aug |
Through the year
France in October: the best places
In October, Bayonne ranks 24 among the 31 nearest destinations in this country.
- Perpignan21°82
- 2Arles21°81
- 3Narbonne20°80
- 4Nîmes20°78
- 5Toulouse20°75
- 6Carcassonne19°73
- 7Béziers20°73
- 8Montpellier20°73
- 24BayonneThis page20°19°24
Planning a trip to Bayonne
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Bayonne in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Bayonne has its best school-holiday weather during the summer holidays (score 68) and its weakest during the Christmas holidays (score 5).
- 15
Easter holidays
Mar – Apr
Poor
- 15 °C by day
- Sea 13 °C
- 5.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 23
May half-term
May – Jun
Poor
- 19 °C by day
- Sea 17 °C
- 6.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 68
Summer holidays
Jul – Aug
GoodBest holidays
- 24 °C by day
- Sea 22 °C
- 6.9 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 24
October half-term
Oct
Poor
- 20 °C by day
- Sea 19 °C
- 4.7 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 5
Christmas holidays
Dec – Jan
Poor
- 12 °C by day
- Sea 13 °C
- 3.0 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 35 min
- Distance
- 890 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Bayonne
When is the best time to visit Bayonne?
The best time to visit Bayonne is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Bayonne?
The sea temperature in Bayonne ranges from 12.2 °C in February to 22.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Bayonne in October?
Only if you don't mind cold water: in October the sea averages just 18.6 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Bayonne?
August is the warmest month, with average highs of 24 °C and nights around 18 °C. January is the coolest month at 11 °C.
When does it rain most in Bayonne?
Rain is most frequent from October to May; the wettest month is November with 177 mm. The driest month is July with 61 mm.
How many hours of sunshine does Bayonne get?
Bayonne gets around 1,920 hours of sunshine a year. The sunniest month is July with 7.0 hours a day; in December there are 2.9 hours a day.
What time zone is Bayonne in?
Bayonne uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Bayonne?
A nonstop flight from London to Bayonne takes about 1 h 35 min, for a straight-line distance of about 890 km.
Which school holidays are best for Bayonne?
Bayonne has its best school-holiday weather during the summer holidays (score 68) and its weakest during the Christmas holidays (score 5). Holiday ratings (0–100): Easter holidays 15, May half-term 23, Summer holidays 68, October half-term 24, Christmas holidays 5.
Near Bayonne
Other destinations close by.
Places with a climate like Bayonne
Destinations whose weather through the year is closest to Bayonne's – good alternatives.