Climate and monthly weather forecastLa Roche-Derrien, France
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in La Roche-Derrien, France, with an average temperature varying between 9°C (48.2°F) and 5.9°C (42.6°F). January, on average, is the coldest month, registering a high temperature of 9°C (48.2°F) and a low of 5.9°C (42.6°F). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in La Roche-Derrien, France, with an average temperature fluctuating between 5.4°C (41.7°F) and 9.1°C (48.4°F). January's transformation into February witnesses an average high-temperature of a still frosty 9.1°C (48.4°F), noting a minor change from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in La Roche-Derrien, France, with temperature in the range of an average high of 10.3°C (50.5°F) and an average low of 6°C (42.8°F). La Roche-Derrien, France, starts March with an average high-temperature of a cool 10.3°C (50.5°F), a minor shift from February's 9.1°C (48.4°F). Weather in March »Weather in April
April, the same as March, is another fresh spring month in La Roche-Derrien, France, with temperature in the range of an average high of 12.6°C (54.7°F) and an average low of 7.3°C (45.1°F). With the start of April, La Roche-Derrien measures an average high-temperature of a still fresh 12.6°C (54.7°F), not significantly differing from March's 10.3°C (50.5°F). Weather in April »Weather in May
May, the last month of the spring in La Roche-Derrien, is a moderate month, with an average temperature fluctuating between 14.3°C (57.7°F) and 9.6°C (49.3°F). As La Roche-Derrien welcomes May, the average high-temperature stabilizes at a moderate 14.3°C (57.7°F), showing little deviation from April's 12.6°C (54.7°F). Weather in May »Weather in June
June, the first month of the summer in La Roche-Derrien, is a refreshing month, with an average temperature ranging between min 11.8°C (53.2°F) and max 16.9°C (62.4°F). The transition into June notes an average high-temperature of a comfortable 16.9°C (62.4°F), revealing a mild distinction from the 14.3°C (57.7°F) in May. Weather in June »Weather in July
July, the same as June, is another comfortable summer month in La Roche-Derrien, France, with an average temperature ranging between min 13.8°C (56.8°F) and max 18.8°C (65.8°F). July's presence records an average high-temperature of a still comfortable 18.8°C (65.8°F), closely mirroring June's climate. Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in La Roche-Derrien, France, with an average temperature ranging between min 14°C (57.2°F) and max 19.1°C (66.4°F). August is the warmest month of the year, registering average temperatures as high as 19.1°C (66.4°F) and as low as 14°C (57.2°F). Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in La Roche-Derrien, France, with an average temperature ranging between max 18°C (64.4°F) and min 12.7°C (54.9°F). With the advent of September, La Roche-Derrien's high-temperatures adjust to a still enjoyable 18°C (64.4°F), closely aligning with the preceding month. Weather in September »Weather in October
October, like September, is a moderate autumn month in La Roche-Derrien, France, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 15.6°C (60.1°F). October commences with an average high-temperature of a still refreshing 15.6°C (60.1°F), showing little deviation from September's 18°C (64.4°F). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in La Roche-Derrien, France, with an average temperature varying between 9°C (48.2°F) and 12°C (53.6°F). Transitioning from October to November involves a subtle drop in average high-temperatures, descending from a moderate 15.6°C (60.1°F) to a fresh 12°C (53.6°F). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in La Roche-Derrien, France, with an average temperature varying between 10.1°C (50.2°F) and 7°C (44.6°F). La Roche-Derrien in December witnesses an average high-temperature of a still cool 10.1°C (50.2°F), indicating a slight variation from November's 12°C (53.6°F). Weather in December »Updated: Feb 2, 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
La Roche-Derrien's January weather reaches an average high of 9°C (48.2°F) and an average low of 5.9°C (42.6°F), making it the coldest month.
Throughout the year, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.
January through March, November and December are months with snowfall in La Roche-Derrien, France.
The month with the most snowfall is January, when snow falls for 0.9 days and typically aggregates up to 11mm (0.43") of snow.
In La Roche-Derrien, France, during the entire year, snow falls for 4.5 days and aggregates up to 38mm (1.5") of snow.
The month with the least sunshine is January, with an average of 3.4h of sunshine.
The months with the lowest UV index in La Roche-Derrien, France, are January, February and November, with an average maximum UV index of 2.
February through April, September and October, with an average relative humidity of 82%, are the least humid months in La Roche-Derrien.
In La Roche-Derrien, snow does not fall in April through October.
June is the most humid month, with an average relative humidity of 85%.
With an average of 16h and 6min of daylight, June has the longest days of the year in La Roche-Derrien, France.
July has the most sunshine of the year, with an average of 10.3h of sunshine.
With an average maximum UV index of 5, July is the month with the highest UV index.
La Roche-Derrien experiences its average highest temperatures in August, reaching a peak of 19.1°C (66.4°F) and a minimum of 14°C (57.2°F).
The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 28mm (1.1") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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 La Roche-Derrien, France, is November, when the rain falls for 21.7 days and typically aggregates up to 82mm (3.23") of precipitation.
With an average of 8h and 24min of daylight, December has the shortest days of the year.
Average temperature
La Roche-Derrien, France
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure
La Roche-Derrien, France
- Average pressure in January:
1016.6mbar - Average pressure in February:
1015.7mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.5mbar - Average pressure in June:
1017.1mbar
- Average pressure in July:
1017.2mbar - Average pressure in August:
1016.9mbar - Average pressure in September:
1018.2mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1011.9mbar - Average pressure in December:
1017.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed
La Roche-Derrien, France
- Average wind speed in January:
25.1km/h - Average wind speed in February:
25.3km/h - Average wind speed in March:
22.9km/h - Average wind speed in April:
18.8km/h - Average wind speed in May:
17.6km/h - Average wind speed in June:
17km/h
- Average wind speed in July:
16.3km/h - Average wind speed in August:
16.4km/h - Average wind speed in September:
18km/h - Average wind speed in October:
20km/h - Average wind speed in November:
24.4km/h - Average wind speed in December:
25.3km/h
The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity
La Roche-Derrien, France
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).
Average rainfall
La Roche-Derrien, France
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days
La Roche-Derrien, France
- Average rainfall days in January:
20.9 days - Average rainfall days in February:
18.3 days - Average rainfall days in March:
18.1 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
17.5 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
17.9 days - Average rainfall days in November:
21.7 days - Average rainfall days in December:
21.2 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).
Average snowfall
La Roche-Derrien, France
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
La Roche-Derrien, France
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1.9 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0.1 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:
0.3 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
La Roche-Derrien, France
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
7h and 48min - Average sunshine in September:
7h and 18min - Average sunshine in October:
6h and 24min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
La Roche-Derrien, France
- Average sunshine days in January:
5.6 days - Average sunshine days in February:
5.3 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
8.9 days - Average sunshine days in September:
11.1 days - Average sunshine days in October:
7.9 days - Average sunshine days in November:
4.8 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).
Average UV index
La Roche-Derrien, France
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover
La Roche-Derrien, France
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).
Average visibility
La Roche-Derrien, France
The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).
