Île d'Oléron (France) in general has a mild climate. Temperatures during the day are in the range from 9.5 °C (49.1 °F) in January to 24.5 °C (76.1 °F) in August. The driest month is July with just 7 days of rain, on the contrary, the month when it rains the most is December with 14 days of rain. The highest night temperatures could be experienced in July with 16.1 °C (61.0 °F), the lowest in January with 4.0 °C (39.2 °F). The highest sea temperatures in Île d'Oléron are in August with 20.0 °C (68.1 °F) and the lowest in February with 9.9 °C (49.7 °F).

January weather

The sea temperature continues to descent, the value of this measure is 10.6 °C (51.1 °F) in Île d'Oléron, while the minimum of the day temperature can be noticed in this month. The rainfall amount descents similarly to the previous month, the value of this measure is 82 mm (3.21 in). The night temperature is on its minimum in January. The wind speed is on its maximum. The minimum of the number of sun hours (without clouds) can be noticed, with its value being 3 hours.

February weather

The day temperature rise's start could be observed, with its value of 10.6 °C (51.1 °F) in Île d'Oléron, while the minimum of the sea temperature can be noticed, its value is 9.9 °C (49.7 °F). The beginning of the descent of the number of rainy days could be noticed, the value of this measure is 11 days, while the rainfall amount continues to descent, with its value of 61 mm (2.40 in). The number of sun hours (without clouds) starts to rise, its value is 4 hours.

March weather

The day temperature continues to rise, its value is 14.2 °C (57.6 °F) in Île d'Oléron, while the beginning of the rise of the sea temperature could be noticed, its value is 10.4 °C (50.7 °F). The number of rainy days continues to descent, with its value being 10 days, and the rainfall amount descents similarly to the previous month too, with its value being 55 mm (2.15 in). The night temperature starts to rise, with its value of 5.9 °C (42.6 °F). The rise of the number of sun hours (without clouds) can be observed, its value is 5 hours.

April weather

The rise of the day temperature can be observed, with its value of 16.2 °C (61.2 °F) in Île d'Oléron, and the rise of the sea temperature can be observed as well, its value is 12.0 °C (53.6 °F). The number of rainy days starts to rise, the value of this measure is 11 days, and the rainfall amount starts to rise too, the value of this measure is 62 mm (2.42 in). The night temperature continues to rise, the value of this measure is 7.5 °C (45.5 °F). The rise of the number of sun hours (without clouds) can be observed.

May weather

The day temperature continues to rise, with its value being 19.7 °C (67.5 °F) in Île d'Oléron, and the sea temperature continues to rise as well, with its value being 14.7 °C (58.4 °F). The beginning of the descent of the rainfall amount could be noticed, the value of this measure is 55 mm (2.18 in). The number of sun hours (without clouds) continues to rise, with its value being 7 hours. The night temperature continues to rise, its value is 10.9 °C (51.6 °F).

June weather

The sea temperature rises similarly to the previous month, the value of this measure is 17.5 °C (63.4 °F) in Île d'Oléron, and the day temperature continues to rise too, with its value of 22.6 °C (72.7 °F). The descent of the rainfall amount can be observed, its value is 42 mm (1.66 in), while the beginning of the descent of the number of rainy days could be noticed, with its value of 8 days. The rise of the night temperature can be observed, with its value of 13.9 °C (57.0 °F). The rise of the number of sun hours (without clouds) can be observed, its value is 9 hours.

July weather

The tourist season is about to start in July in Île d'Oléron. The rise of the sea temperature can be observed, the value of this measure is 19.5 °C (67.0 °F), and the rise of the day temperature can be observed as well, with its value of 24.2 °C (75.6 °F). The number of rainy days is on its minimum, the value of this measure is 7 days, and the rainfall amount is on its minimum as well in July. The number of sun hours (without clouds) reaches its maximum in July. The maximum of the night temperature is observable in July.

August weather

The maximum of the day temperature is observable, its value is 24.5 °C (76.1 °F) in Île d'Oléron, and the maximum of the sea temperature is observable as well in August. The ongoing tourist season is noticeable, and the ongoing dry season is noticeable too. The number of sun hours (without clouds) descent's start could be observed, with its value being 8 hours. The wind speed reaches its minimum.

September weather

The tourist season continues in September in Île d'Oléron. The beginning of the descent of the day temperature could be noticed, its value is 22.4 °C (72.3 °F), and the sea temperature descent's start could be observed as well, with its value being 18.8 °C (65.8 °F). The number of rainy days starts to rise, the value of this measure is 9 days, and the beginning of the rise of the rainfall amount could be noticed too, the value of this measure is 61 mm (2.39 in). The night temperature descent's start could be observed in this month.

October weather

The day temperature continues to descent, with its value being 18.7 °C (65.7 °F) in Île d'Oléron, and the descent of the sea temperature can be observed too, its value is 16.8 °C (62.2 °F). The number of rainy days rises similarly to the previous month, the value of this measure is 12 days, and the rainfall amount continues to rise as well, with its value being 92 mm (3.62 in). The night temperature descents similarly to the previous month, its value is 11.3 °C (52.3 °F). The descent of the number of sun hours (without clouds) can be observed, with its value being 5 hours.

November weather

The descent of the sea temperature can be observed, with its value of 14.4 °C (57.8 °F) in Île d'Oléron, and the day temperature continues to descent too, with its value of 13.0 °C (55.4 °F). The rise of the number of rainy days can be observed, with its value of 13 days, while the rainfall amount reaches its maximum, with its value being 96 mm (3.77 in). The night temperature continues to descent, the value of this measure is 7.2 °C (45.0 °F). The number of sun hours (without clouds) continues to descent, with its value being 3 hours.

December weather

The sea temperature descents similarly to the previous month, the value of this measure is 12.0 °C (53.6 °F) in Île d'Oléron, and the day temperature descents similarly to the previous month too, the value of this measure is 9.8 °C (49.6 °F). The number of rainy days reaches its maximum, the value of this measure is 14 days, while the rainfall amount starts to descent in December. The minimum of the day length is observable, with its value being 9 hours. The night temperature continues to descent, its value is 4.5 °C (40.1 °F).

FAQs

What is the sea temperature in June in Île d'Oléron?

In June in Île d'Oléron expect the sea to be warm at 17.5 °C (63.4 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

Is it hot in Île d'Oléron in July?

In Île d'Oléron in July, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is there a wet season in Île d'Oléron in August?

No, there is no wet season in August in Île d'Oléron - you can expect 8 days of rain during the month.

What is the temperature in Île d'Oléron during the day in September?

The average daily temperature in September in Île d'Oléron is 22.4 °C (72.3 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.