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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, is another chilly winter month in Helléan, France, with an average temperature varying between 9.3°C (48.7°F) and 5.8°C (42.4°F). In Helléan, the lowest average temperatures are observed in January, with a high of 9.3°C (48.7°F) and a low of 5.8°C (42.4°F). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Helléan, France, with an average temperature varying between 9.6°C (49.3°F) and 5.3°C (41.5°F). At the onset of February, Helléan records an average high-temperature of a still chilly 9.6°C (49.3°F), showing little deviation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Helléan, France, with an average temperature fluctuating between 6.2°C (43.2°F) and 11.3°C (52.3°F). Stepping into March, Helléan records an average high-temperature of a fresh 11.3°C (52.3°F), almost consistent with February. Weather in March »
Weather in April
April in Helléan, France, is a moderate spring month, with an average temperature ranging between min 7.7°C (45.9°F) and max 13.8°C (56.8°F). In April, the average high-temperature registers at a moderate 13.8°C (56.8°F), nearly identical to March's 11.3°C (52.3°F). Weather in April »
Weather in May
May, the last month of the spring in Helléan, is a comfortable month, with an average temperature fluctuating between 10.2°C (50.4°F) and 16.3°C (61.3°F). The transition from April to May brings an average high-temperature of a comfortable 16.3°C (61.3°F), barely different from April's 13.8°C (56.8°F). Weather in May »
Weather in June
The first month of the summer, June, is still a comfortable month in Helléan, France, with an average temperature varying between 13.3°C (55.9°F) and 19°C (66.2°F). The transition from May to June brings an average high-temperature of a still comfortable 19°C (66.2°F), barely different from May's 16.3°C (61.3°F). Weather in June »
Weather in July
July is a pleasant summer month in Helléan, France, with an average temperature fluctuating between 21.3°C (70.3°F) and 14.8°C (58.6°F). July stands out as Helléan's warmest month, with temperatures ranging between an average high of 21.3°C (70.3°F) and a low of 14.8°C (58.6°F). Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Helléan, France, with an average temperature fluctuating between 21.2°C (70.2°F) and 15°C (59°F). The shift from July to August is characterized by an average high-temperature of a still pleasant 21.2°C (70.2°F), not significantly different from the 21.3°C (70.3°F) of July. Weather in August »
Weather in September
September, the first month of the autumn in Helléan, is still a comfortable month, with an average temperature fluctuating between 13.2°C (55.8°F) and 19.7°C (67.5°F). The average high-temperature during September registers at an enjoyable 19.7°C (67.5°F), closely corresponding to the preceding month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Helléan, France, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 16.5°C (61.7°F). October's arrival comes with a mild decrease in the average high-temperature, moving subtly from 19.7°C (67.5°F) in September to a still comfortable 16.5°C (61.7°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Helléan, France, with an average temperature ranging between min 9.2°C (48.6°F) and max 12.7°C (54.9°F). November ushers in a minor alteration in Helléan's climate, with the average high-temperature moving from October's comfortable 16.5°C (61.7°F) to a fresh 12.7°C (54.9°F). Weather in November »
Weather in December
December, the first month of the winter in Helléan, is also a fresh month, with an average temperature ranging between min 7.3°C (45.1°F) and max 10.5°C (50.9°F). Helléan transitions into December recording an average high-temperature of a still fresh 10.5°C (50.9°F), closely aligning with the preceding month's temperature. 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
What is the coldest time of year in Helléan?
The coldest month is January, with an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 5.8°C (42.4°F).
What are the most humid months in Helléan?
The months with the highest humidity are January and December, with an average relative humidity of 83%.
How much does it rain in Helléan?
Throughout the year, in Helléan, France, there are 169.8 rainfall days, and 593mm (23.35") of precipitation is accumulated.
When it does not snow in Helléan?
In Helléan, France, snow does not fall in January, March, May through November.
How much does it snow in Helléan?
Throughout the year, in Helléan, there are 1.3 snowfall days, and 3mm (0.12") of snow is accumulated.
What is the month with the least sunshine in Helléan?
The month with the least sunshine in Helléan, France, is January, with an average of 4.5h of sunshine.
What is the month with the lowest UV index in Helléan?
The months with the lowest UV index in Helléan are January through April, November and December, with an average maximum UV index of 3.
When does it snow in Helléan?
Months with snowfall in Helléan are February, April and December.
When does it snow the most in Helléan?
The months with the most snowfall are February, April and December, with an average 1mm (0.04") of accumulated snow.
When are the longest days in Helléan?
The month with the longest days in Helléan is June, with an average of 16h and 0min of daylight.
When is the highest UV index in Helléan?
The months with the highest UV index in Helléan are June through August, with an average maximum UV index of 5.
What part of the year is the hottest in Helléan?
July is the month when Helléan's temperatures reach their peak, with averages of 21.3°C (70.3°F) and lows of 14.8°C (58.6°F).
What month has the most sunshine in Helléan?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What are the least humid months in Helléan?
August and September, with an average relative humidity of 78%, are the least humid months in Helléan, France.
What is the driest month in Helléan?
The month with the least rainfall in Helléan, France, is September, when the rain falls for 10 days and typically collects 24mm (0.94") of precipitation.
When is Daylight Saving Time (DST) in Helléan?
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 rainiest month in Helléan?
November is the month with the most rainfall in Helléan, France. Rain falls for 16.1 days and accumulates 81mm (3.19") of precipitation.
What is the month with the shortest days in Helléan?
The month with the shortest days in Helléan, France, is December, with an average of 8h and 30min of daylight.
Average temperature
Helléan, France
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure
Helléan, France
- Average pressure in January:
1017.8mbar - Average pressure in February:
1016.6mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017.4mbar - Average pressure in June:
1017.1mbar
- Average pressure in July:
1017.5mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1013mbar - Average pressure in December:
1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed
Helléan, France
- Average wind speed in January:
22.5km/h - Average wind speed in February:
22.5km/h - Average wind speed in March:
20.6km/h - Average wind speed in April:
17.5km/h - Average wind speed in May:
16.7km/h - Average wind speed in June:
16.2km/h
- Average wind speed in July:
16km/h - Average wind speed in August:
15.5km/h - Average wind speed in September:
16.1km/h - Average wind speed in October:
18.3km/h - Average wind speed in November:
22.3km/h - Average wind speed in December:
22.9km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity
Helléan, France
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall
Helléan, France
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days
Helléan, France
- Average rainfall days in January:
17.7 days - Average rainfall days in February:
14.4 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
16.1 days - Average rainfall days in December:
16.1 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall
Helléan, France
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days
Helléan, France
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0.2 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:
0.1 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Helléan, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
8h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
6h and 5min - Average sunshine in November:
4h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Helléan, France
- Average sunshine days in January:
11.2 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
15 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index
Helléan, 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, March, April, November and December (UV index 3).
Average cloud cover
Helléan, France
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Helléan, France
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
