Biarritz Climate by Month
Biarritz, New Aquitaine, France
Warm summers and mild winters, with rain spread through the year.
Warm summers and mild winters, with rain spread through the year: that's Biarritz's climate in short. Expect highs of 77°F (25°C) in August and 55°F (13°C) in January, with the coldest nights (January) near 41°F (5°C). About 47 in (1204 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 77°F(25°C)
- Average high, August
- Coldest nights
- 41°F(5°C)
- Average low, January
- Rain per year
- 47 in(1204 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in Biarritz
Best for weatherThe most comfortable weather comes from July to September, with highs around 76°F (24°C) and about 2.8 in (71 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 55°F (13°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Biarritz weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 55°F(13°C) | 41°F(5°C) | 5.0 in(128 mm) | 79% | 1.4 |
| FebFebruary | 56°F(13°C) | 42°F(5°C) | 3.8 in(96 mm) | 77% | 2.3 |
| MarMarch | 60°F(16°C) | 45°F(7°C) | 3.4 in(87 mm) | 74% | 3.4 |
| AprApril | 63°F(17°C) | 48°F(9°C) | 3.9 in(99 mm) | 73% | 4.5 |
| MayMay | 68°F(20°C) | 54°F(12°C) | 3.3 in(83 mm) | 71% | 5.5 |
| JunJune | 73°F(23°C) | 59°F(15°C) | 2.6 in(65 mm) | 78% | 6.0 |
| JulJulyBest | 76°F(24°C) | 63°F(17°C) | 2.1 in(54 mm) | 78% | 5.7 |
| AugAugustBest | 77°F(25°C) | 63°F(17°C) | 2.8 in(71 mm) | 75% | 5.4 |
| SepSeptemberBest | 74°F(24°C) | 59°F(15°C) | 3.5 in(88 mm) | 77% | 4.0 |
| OctOctober | 69°F(21°C) | 54°F(12°C) | 4.6 in(118 mm) | 76% | 2.6 |
| NovNovember | 61°F(16°C) | 47°F(8°C) | 7.1 in(180 mm) | 78% | 1.6 |
| DecDecember | 56°F(14°C) | 43°F(6°C) | 5.3 in(135 mm) | 74% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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