Climate and monthly weather forecastLannion, France
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lannion, France, is a frosty winter month, with an average temperature fluctuating between 9°C (48.2°F) and 5.9°C (42.6°F). Lannion experiences its lowest average temperatures in January, reaching a peak of 9°C (48.2°F) and a minimum of 5.9°C (42.6°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Lannion, France, with an average temperature fluctuating between 5.4°C (41.7°F) and 9.1°C (48.4°F). As Lannion steps into February, the average high-temperature is measured at a still chilly 9.1°C (48.4°F), displaying minor differences from January's 9°C (48.2°F). Weather in February »Weather in March
March, the first month of the spring in Lannion, is a fresh month, with an average temperature varying between 10.3°C (50.5°F) and 6°C (42.8°F). Lannion records an average high-temperature of a cool 10.3°C (50.5°F) in March, maintaining a close correlation with February's 9.1°C (48.4°F). Weather in March »Weather in April
April, the same as March, is a cool spring month in Lannion, France, with an average temperature ranging between min 7.3°C (45.1°F) and max 12.6°C (54.7°F). Lannion marks the onset of April with an average high-temperature of a still fresh 12.6°C (54.7°F), subtly divergent from March's 10.3°C (50.5°F). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Lannion, France, with an average temperature varying between 9.6°C (49.3°F) and 14.3°C (57.7°F). Lannion observes a minor difference in average high-temperatures between April's 12.6°C (54.7°F) and May's 14.3°C (57.7°F). Weather in May »Weather in June
June, the first month of the summer in Lannion, is a comfortable month, with an average temperature varying between 11.8°C (53.2°F) and 16.9°C (62.4°F). The advent of June signifies a minor shift to an average high-temperature of an enjoyable 16.9°C (62.4°F), aligning closely with May. Weather in June »Weather in July
July, the same as June, is another refreshing summer month in Lannion, France, with an average temperature varying between 18.8°C (65.8°F) and 13.8°C (56.8°F). June's transformation into July witnesses an average high-temperature of a still enjoyable 18.8°C (65.8°F), noting a minor change from the preceding month. Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Lannion, France, with an average temperature varying between 19.1°C (66.4°F) and 14°C (57.2°F). Lannion's warmest month, August, generally records average temperatures ranging from a high of 19.1°C (66.4°F) to a low of 14°C (57.2°F). Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Lannion, France, with temperature in the range of an average low of 12.7°C (54.9°F) and an average high of 18°C (64.4°F). Lannion records an average high-temperature of a still comfortable 18°C (64.4°F) in September, maintaining a close correlation with August's 19.1°C (66.4°F). Weather in September »Weather in October
October, the same as September, in Lannion, France, is a moderate autumn month, with an average temperature varying between 11.4°C (52.5°F) and 15.6°C (60.1°F). October experiences an average high-temperature of a moderate 15.6°C (60.1°F), barely different from September's 18°C (64.4°F). Weather in October »Weather in November
November, the last month of the autumn in Lannion, is another cool month, with an average temperature fluctuating between 9°C (48.2°F) and 12°C (53.6°F). As October makes way for November, Lannion's average high-temperature eases from a mild 15.6°C (60.1°F) to a cool 12°C (53.6°F). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Lannion, France, with temperature in the range of an average low of 7°C (44.6°F) and an average high of 10.1°C (50.2°F). Lannion ushers in December with an average high-temperature of a still cool 10.1°C (50.2°F), showing a close resemblance to the previous month. Weather in December »Updated: Jul 10, 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
In Lannion, January is known for its average lowest temperatures, reaching a high of 9°C (48.2°F) and a low of 5.9°C (42.6°F).
Throughout the year, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.
Months with snowfall are January through March, November and December.
January is the month with the most snowfall. Snow falls for 0.9 days and accumulates 11mm (0.43") of snow.
Throughout the year, there are 4.5 snowfall days, and 38mm (1.5") of snow is accumulated.
The month with the least sunshine is January, with an average of 3.4h of sunshine.
January, February and November, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the lowest humidity are February through April, September and October, with an average relative humidity of 82%.
In Lannion, 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.
With an average of 10.3h of sunshine, July has the most sunshine of the year.
With an average maximum UV index of 5, July is the month with the highest UV index.
August is the warmest month, exhibiting average temperatures of 19.1°C (66.4°F) at the peak and 14°C (57.2°F) at the base.
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.
November is the month with the most rainfall. Rain falls for 21.7 days and accumulates 82mm (3.23") of precipitation.
December has the shortest days of the year, with an average of 8h and 24min of daylight.
Average temperature
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, France
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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
Lannion, 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).
