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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in La Forteresse, France, is another cold winter month, with temperature in the range of an average low of -1.2°C (29.8°F) and an average high of 4.8°C (40.6°F). During the coldest month, January, temperatures average a high of 4.8°C (40.6°F) and a low of -1.2°C (29.8°F). Weather in January »
Weather in February
February, the last month of the winter in La Forteresse, is also a wintry month, with an average temperature varying between 5.9°C (42.6°F) and -1.1°C (30°F). The start of February sees the average high-temperature at a still cold 5.9°C (42.6°F), showing little difference from January's 4.8°C (40.6°F). Weather in February »
Weather in March
March, the first month of the spring in La Forteresse, is a cool month, with an average temperature fluctuating between 10.9°C (51.6°F) and 1.9°C (35.4°F). As February gives way to March, the average high-temperature displays an increase, moving from an icy 5.9°C (42.6°F) to a fresh 10.9°C (51.6°F). Weather in March »
Weather in April
April in La Forteresse, France, is a refreshing spring month, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 4.9°C (40.8°F). The shift from March to April introduces a subtle increase in the average high-temperature, moving from a cool 10.9°C (51.6°F) to a mild 15.3°C (59.5°F). Weather in April »
Weather in May
May, the last month of the spring in La Forteresse, is an enjoyable month, with an average temperature ranging between min 7.3°C (45.1°F) and max 17.8°C (64°F). La Forteresse's average high-temperature marks a still refreshing 17.8°C (64°F) with the advent of May, closely mirroring that of the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in La Forteresse, France, with an average temperature varying between 11.2°C (52.2°F) and 22°C (71.6°F). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's refreshing 17.8°C (64°F) to an agreeable 22°C (71.6°F). Weather in June »
Weather in July
July is a moderately hot summer month in La Forteresse, France, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 13.2°C (55.8°F). Entering July, the average high-temperature is recorded at a warm 24.9°C (76.8°F), exhibiting a minimal shift from June's 22°C (71.6°F). Weather in July »
Weather in August
August, the last month of the summer in La Forteresse, is also a moderately hot month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 25.1°C (77.2°F). La Forteresse's August weather, marked by an average high temperature of 25.1°C (77.2°F) and an average low temperature of 13°C (55.4°F), is the warmest in the year. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in La Forteresse, France, with an average temperature fluctuating between 20.5°C (68.9°F) and 10.1°C (50.2°F). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 25.1°C (77.2°F) in August to an agreeable 20.5°C (68.9°F). Weather in September »
Weather in October
October, the same as September, in La Forteresse, France, is another refreshing autumn month, with an average temperature fluctuating between 15.9°C (60.6°F) and 6.5°C (43.7°F). La Forteresse's transition into October involves a gentle shift in temperature, receding from a pleasant 20.5°C (68.9°F) in September to a refreshing 15.9°C (60.6°F). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in La Forteresse, France, with an average temperature varying between 3.1°C (37.6°F) and 9.7°C (49.5°F). Start of November brings a shift in the average high-temperature, falling from October's mild 15.9°C (60.6°F) to a chilly 9.7°C (49.5°F). Weather in November »
Weather in December
December, the first month of the winter in La Forteresse, is also a frosty month, with an average temperature ranging between min 0°C (32°F) and max 6.4°C (43.5°F). December is characterized by a mild reduction in the average high-temperature, from 9.7°C (49.5°F) in November to a still chilly 6.4°C (43.5°F). Weather in December »
Updated: Feb 8, 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
What time of the year is the coldest in La Forteresse?
January is the coldest month of the year in La Forteresse, registering average temperatures as high as 4.8°C (40.6°F) and as low as -1.2°C (29.8°F).
What are the most humid months in La Forteresse?
January, November and December, with an average relative humidity of 85%, are most humid months in La Forteresse, France.
How many days does it rain in La Forteresse?
In La Forteresse, France, during the entire year, the rain falls for 161.5 days and collects up to 601mm (23.66") of precipitation.
When does it snow in La Forteresse?
January through May, October through December are months with snowfall in La Forteresse, France.
How much does it snow in La Forteresse?
In La Forteresse, during the entire year, snow falls for 30.2 days and aggregates up to 375mm (14.76") of snow.
What is the month with the least sunshine in La Forteresse?
With an average of 4.7h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in La Forteresse?
The months with the lowest UV index in La Forteresse are January, February, November and December, with an average maximum UV index of 2.
When it does not snow in La Forteresse?
In La Forteresse, France, snow does not fall in June through September.
When are the longest days in La Forteresse?
The month with the longest days is June, with an average of 15h and 36min of daylight.
What are the months with the highest UV index in La Forteresse?
June through August, with an average maximum UV index of 5, are months with the highest UV index in La Forteresse, France.
What are the warmest months in La Forteresse?
August is the month when La Forteresse's temperatures reach their peak, with averages of 25.1°C (77.2°F) and lows of 13°C (55.4°F).
What is the least humid month in La Forteresse?
August is the least humid month in La Forteresse, France, with an average relative humidity of 74%.
What month has the most sunshine in La Forteresse?
With an average of 10.8h of sunshine, August has the most sunshine of the year in La Forteresse, France.
What is the driest month in La Forteresse?
The month with the least rainfall in La Forteresse, France, is September, when the rain falls for 11.4 days and typically collects 34mm (1.34") of precipitation.
When is Daylight Saving Time (DST) in La Forteresse?
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.
What is the wettest month in La Forteresse?
November is the month with the most rainfall. Rain falls for 13.2 days and accumulates 67mm (2.64") of precipitation.
What is the snowiest month in La Forteresse?
The month with the most snowfall in La Forteresse, France, is November, when snow falls for 3.6 days and typically aggregates up to 92mm (3.62") of snow.
What is the month with the shortest days in La Forteresse?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
La Forteresse, France
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure
La Forteresse, France
- Average pressure in January:
1019.2mbar - Average pressure in February:
1017.3mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1016.8mbar - Average pressure in August:
1017.5mbar - Average pressure in September:
1018.2mbar - Average pressure in October:
1018mbar - Average pressure in November:
1015.6mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed
La Forteresse, France
- Average wind speed in January:
9.6km/h - Average wind speed in February:
10.5km/h - Average wind speed in March:
10km/h - Average wind speed in April:
9.6km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
8.6km/h
- Average wind speed in July:
8.3km/h - Average wind speed in August:
7.9km/h - Average wind speed in September:
7.7km/h - Average wind speed in October:
8.7km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
9.6km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity
La Forteresse, France
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall
La Forteresse, France
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days
La Forteresse, France
- Average rainfall days in January:
13.2 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
11 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
13.2 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is August (11 days).
Average snowfall
La Forteresse, France
The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
La Forteresse, France
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.6 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:
0.5 days - Average snowfall days in November:
3.6 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
La Forteresse, France
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
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 4min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
La Forteresse, France
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
14 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index
La Forteresse, 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
La Forteresse, France
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
La Forteresse, France
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
