Climate and monthly weather forecastRiantec, France
Climate and monthly weather forecast
Weather in January
January, the same as December, in Riantec, France, is another chilly winter month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 9.3°C (48.7°F). The coldest period, with an average high-temperature of 9.3°C (48.7°F), falls in January and February. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Riantec, France, with an average temperature ranging between max 9.3°C (48.7°F) and min 5.3°C (41.5°F). January and February are the coldest months, with an average high-temperature of 9.3°C (48.7°F). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Riantec, France, with an average temperature varying between 11.4°C (52.5°F) and 6.2°C (43.2°F). March's advent denotes a minor fluctuation in the average high-temperature to a cool 11.4°C (52.5°F) from February's 9.3°C (48.7°F). Weather in March »Weather in April
April is a refreshing spring month in Riantec, France, with an average temperature ranging between max 13.8°C (56.8°F) and min 7.6°C (45.7°F). During April, Riantec observes a subtle ascent to a moderate 13.8°C (56.8°F) from March's 11.4°C (52.5°F) in the average high-temperature. Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Riantec, France, with an average temperature fluctuating between 16°C (60.8°F) and 9.7°C (49.5°F). The advent of May reveals an average high-temperature of a still refreshing 16°C (60.8°F), showing minimal difference from the prior month. Weather in May »Weather in June
June, the first month of the summer in Riantec, is still a comfortable month, with temperature in the range of an average high of 19°C (66.2°F) and an average low of 12.4°C (54.3°F). The arrival of June introduces a minor uplift in high-temperatures, adjusting from 16°C (60.8°F) in May to a still comfortable 19°C (66.2°F). Weather in June »Weather in July
July is a pleasant summer month in Riantec, France, with an average temperature ranging between max 20.8°C (69.4°F) and min 14.3°C (57.7°F). In Riantec, the warmest period comes during July and August, when the average high-temperature touches 20.8°C (69.4°F). Weather in July »Weather in August
August, the last month of the summer in Riantec, is also an agreeable month, with an average temperature ranging between min 14.1°C (57.4°F) and max 20.8°C (69.4°F). Riantec experiences its warmest period in July and August, averaging a high-temperature of 20.8°C (69.4°F). Weather in August »Weather in September
September, the first month of the autumn in Riantec, is still a comfortable month, with an average temperature varying between 12.7°C (54.9°F) and 19.4°C (66.9°F). Riantec registers an average high-temperature of an enjoyable 19.4°C (66.9°F) at the commencement of September, closely related to the preceding month. Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Riantec, France, with an average temperature fluctuating between 16.5°C (61.7°F) and 11.6°C (52.9°F). Riantec's average high-temperature marks a still refreshing 16.5°C (61.7°F) with the advent of October, closely mirroring that of the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Riantec, France, with temperature in the range of an average low of 9.1°C (48.4°F) and an average high of 12.6°C (54.7°F). The arrival of November corresponds with a light shift in temperature, down from a comfortable 16.5°C (61.7°F) in October to a cool 12.6°C (54.7°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Riantec, France, with an average temperature varying between 7.2°C (45°F) and 10.6°C (51.1°F). The arrival of December is marked by an average high-temperature of a still fresh 10.6°C (51.1°F), bearing a close resemblance to November. Weather in December »Updated: Feb 9, 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
Lowest temperatures are observed in January and February, averaging a high-temperature of 9.3°C (48.7°F).
January and December, with an average relative humidity of 84%, are most humid months.
Throughout the year, there are 176.7 rainfall days, and 625mm (24.61") of precipitation is accumulated.
January, February, April and December are months with snowfall.
Throughout the year, there are 2.4 snowfall days, and 8mm (0.31") of snow is accumulated.
January and December, with an average of 3.9h of sunshine, are months with the least sunshine in Riantec, France.
The month with the lowest UV index in Riantec, France, is January, with an average maximum UV index of 2.
The month with the most snowfall in Riantec, France, is February, when snow falls for 1 days and typically aggregates up to 4mm (0.16") of snow.
The month with the coldest seawater in Riantec, France, is February, with an average sea temperature of 9.9°C (49.8°F).
March, May through November are months without snowfall.
April, July and September, with an average relative humidity of 79%, are the least humid months in Riantec.
With an average of 15h and 54min of daylight, June has the longest days of the year in Riantec.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
In Riantec, France, July and August are characterised by the peak of temperatures, recording an average high of 20.8°C (69.4°F).
The month with the least rainfall in Riantec is July, when the rain falls for 13.3 days and typically collects 27mm (1.06") of precipitation.
July has the most sunshine of the year, with an average of 10.6h of sunshine.
With an average sea temperature of 17.9°C (64.2°F), August is the month with the warmest seawater in Riantec.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Riantec, France, 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 month with the most rainfall in Riantec is November, when the rain falls for 17.5 days and typically aggregates up to 86mm (3.39") of precipitation.
With an average of 8h and 30min of daylight, December has the shortest days of the year.
Average temperature
Riantec, France
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure
Riantec, France
- Average pressure in January:
1017.6mbar - Average pressure in February:
1016.4mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017.5mbar - Average pressure in June:
1017.2mbar
- Average pressure in July:
1017.5mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018.5mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1012.8mbar - Average pressure in December:
1018.3mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed
Riantec, France
- Average wind speed in January:
21.6km/h - Average wind speed in February:
21.6km/h - Average wind speed in March:
19.9km/h - Average wind speed in April:
17km/h - Average wind speed in May:
16.1km/h - Average wind speed in June:
15.6km/h
- Average wind speed in July:
15.4km/h - Average wind speed in August:
14.9km/h - Average wind speed in September:
15.5km/h - Average wind speed in October:
17.4km/h - Average wind speed in November:
21.3km/h - Average wind speed in December:
21.6km/h
The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).
Average humidity
Riantec, France
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).
Average rainfall
Riantec, France
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days
Riantec, France
- Average rainfall days in January:
17.3 days - Average rainfall days in February:
15 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
17.5 days - Average rainfall days in December:
17.8 days
The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (11.1 days).
Average snowfall
Riantec, France
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).
Average snowfall days
Riantec, France
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Riantec, France
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight / Average sunshine
Riantec, France
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
8h and 24min - Average sunshine in September:
7h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days
Riantec, France
- Average sunshine days in January:
9.4 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
10.9 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (8.5 days).
Average UV index
Riantec, France
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Riantec, France
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility
Riantec, France
The months with the highest visibility are February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are January, October and December (9km).
