Climate and monthly weather forecastSioniac, France
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Sioniac, France, with temperature in the range of an average high of 6.3°C (43.3°F) and an average low of 0.4°C (32.7°F). Sioniac records the coldest temperatures in January, averaging a high of 6.3°C (43.3°F) and a low of 0.4°C (32.7°F). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Sioniac, France, with an average temperature fluctuating between -0.3°C (31.5°F) and 7.3°C (45.1°F). February experiences an average high-temperature of a still chilly 7.3°C (45.1°F), barely different from January's 6.3°C (43.3°F). Weather in February »Weather in March
March, the first month of the spring in Sioniac, is a fresh month, with an average temperature ranging between min 2.6°C (36.7°F) and max 11.9°C (53.4°F). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's frosty 7.3°C (45.1°F) to a cool 11.9°C (53.4°F). Weather in March »Weather in April
April in Sioniac, France, is a refreshing spring month, with an average temperature varying between 15.8°C (60.4°F) and 5°C (41°F). The start of April brings a subtle shift in the average high-temperature, edging up from March's fresh 11.9°C (53.4°F) to a refreshing 15.8°C (60.4°F). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Sioniac, France, with an average temperature varying between 7.4°C (45.3°F) and 18.6°C (65.5°F). May commences with an average high-temperature of an enjoyable 18.6°C (65.5°F), showing little deviation from April's 15.8°C (60.4°F). Weather in May »Weather in June
June, the first month of the summer in Sioniac, is an agreeable month, with an average temperature fluctuating between 10.9°C (51.6°F) and 22.8°C (73°F). A subtle rise in the average high-temperature is observed during June, adjusting from a comfortable 18.6°C (65.5°F) in May to a pleasant 22.8°C (73°F). Weather in June »Weather in July
July is a warm summer month in Sioniac, France, with an average temperature fluctuating between 12.8°C (55°F) and 25.5°C (77.9°F). The transition from June to July sees average high-temperatures adjusting to a moderately hot 25.5°C (77.9°F), from a not significantly different 22.8°C (73°F). Weather in July »Weather in August
August, the last month of the summer in Sioniac, is also a moderately hot month, with an average temperature varying between 25.7°C (78.3°F) and 12.5°C (54.5°F). August is the warmest month, with the temperature often reaching an average high of 25.7°C (78.3°F) and an average low of 12.5°C (54.5°F). Weather in August »Weather in September
September, the first month of the autumn in Sioniac, is still a pleasant month, with an average temperature fluctuating between 21.9°C (71.4°F) and 10°C (50°F). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 25.7°C (78.3°F) in August to a pleasant 21.9°C (71.4°F). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Sioniac, France, with an average temperature fluctuating between 17.1°C (62.8°F) and 7°C (44.6°F). During the shift to October, a minor reduction in average high-temperature is observed, shifting from a pleasant 21.9°C (71.4°F) in September to a comfortable 17.1°C (62.8°F). Weather in October »Weather in November
November, the last month of the autumn in Sioniac, is also a fresh month, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 4.1°C (39.4°F). The shift to November brings a decrease in the average high-temperature, falling from a refreshing 17.1°C (62.8°F) in October to a fresh 10.8°C (51.4°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Sioniac, France, with an average temperature varying between 1.6°C (34.9°F) and 7.8°C (46°F). December ushers in a minute temperature change, with average high-temperatures reducing from November's cool 10.8°C (51.4°F) to a frosty 7.8°C (46°F). Weather in December »Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the coldest month, with an average high-temperature of 6.3°C (43.3°F) and an average low-temperature of 0.4°C (32.7°F).
Throughout the year, there are 178.6 rainfall days, and 712mm (28.03") of precipitation is accumulated.
January through March, May, October through December are months with snowfall in Sioniac.
The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 42mm (1.65") of snow.
Throughout the year, there are 10.8 snowfall days, and 87mm (3.43") of snow is accumulated.
January and November, with an average of 4.2h of sunshine, are months with the least sunshine in Sioniac, France.
The months with the lowest UV index in Sioniac, France, are January, February, November and December, with an average maximum UV index of 2.
In Sioniac, snow does not fall in April, June through September.
With an average of 15h and 36min of daylight, June has the longest days of the year in Sioniac.
The months with the highest UV index in Sioniac, France, are June through August, with an average maximum UV index of 5.
The month with the least rainfall is July, when the rain falls for 14.1 days and typically collects 35mm (1.38") of precipitation.
July has the most sunshine of the year in Sioniac, with an average of 9.9h of sunshine.
Sioniac registers the average highest temperatures during August, with peaks of 25.7°C (78.3°F) and lows of 12.5°C (54.5°F).
August is the least humid month in Sioniac, France, with an average relative humidity of 71%.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Sioniac, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The months with the highest humidity in Sioniac, France, are November and December, with an average relative humidity of 88%.
November is the month with the most rainfall. Rain falls for 16.5 days and accumulates 84mm (3.31") of precipitation.
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Sioniac, France
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (6.3°C).
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure
Sioniac, France
- Average pressure in January:
1019.9mbar - Average pressure in February:
1018.2mbar - Average pressure in March:
1017.3mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.8mbar
- Average pressure in July:
1017.3mbar - Average pressure in August:
1017.5mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1017.6mbar - Average pressure in November:
1015.4mbar - Average pressure in December:
1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed
Sioniac, France
- Average wind speed in January:
9.1km/h - Average wind speed in February:
9.8km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
8.5km/h - Average wind speed in May:
8.6km/h - Average wind speed in June:
7.7km/h
- Average wind speed in July:
7.3km/h - Average wind speed in August:
6.7km/h - Average wind speed in September:
7.1km/h - Average wind speed in October:
8km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
8.9km/h
The windiest month (with the highest average wind speed) is February (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity
Sioniac, France
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall
Sioniac, France
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is July (35mm).
Average rainfall days
Sioniac, France
- Average rainfall days in January:
16.3 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
16.5 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (11.4 days).
Average snowfall
Sioniac, France
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days
Sioniac, France
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.1 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sioniac, France
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 48min - Average sunshine in November:
4h and 12min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and November (Average sunshine: 4h and 12min).
Average sunshine days
Sioniac, France
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
11.3 days - Average sunshine days in December:
14.1 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index
Sioniac, France
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sioniac, France
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Sioniac, France
The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).
