Climate and monthly weather forecastHallu, France
Climate and monthly weather forecast
Weather in January
January, like December, in Hallu, France, is an icy winter month, with an average temperature varying between 0.9°C (33.6°F) and 5.3°C (41.5°F). January, with its average high-temperature of 5.3°C (41.5°F) and an average low-temperature of 0.9°C (33.6°F), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Hallu, France, with an average temperature ranging between min 1°C (33.8°F) and max 6.7°C (44.1°F). The start of February sees the average high-temperature at a chilly 6.7°C (44.1°F), showing little difference from January's 5.3°C (41.5°F). Weather in February »Weather in March
March, the first month of the spring in Hallu, is a cool month, with an average temperature varying between 2.9°C (37.2°F) and 10.8°C (51.4°F). The start of March signals a slight increase in the average high-temperature, moving from a chilly 6.7°C (44.1°F) in February to a cool 10.8°C (51.4°F). Weather in March »Weather in April
April is a moderate spring month in Hallu, France, with temperature in the range of an average high of 14.9°C (58.8°F) and an average low of 5.2°C (41.4°F). With the transition into April, Hallu experiences a subtle uplift in average high-temperatures, adjusting from a cool 10.8°C (51.4°F) in March to a refreshing 14.9°C (58.8°F). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Hallu, France, with an average temperature fluctuating between 7.7°C (45.9°F) and 17.1°C (62.8°F). May commences with an average high-temperature of a comfortable 17.1°C (62.8°F), showing little deviation from April's 14.9°C (58.8°F). Weather in May »Weather in June
June, the first month of the summer in Hallu, is a pleasant month, with temperature in the range of an average high of 20.4°C (68.7°F) and an average low of 10.8°C (51.4°F). Hallu's transition into June is noticed by a slight rise in the average high-temperature, advancing from a refreshing 17.1°C (62.8°F) in May to a pleasant 20.4°C (68.7°F). Weather in June »Weather in July
July, the same as June, in Hallu, France, is an agreeable summer month, with an average temperature ranging between min 13°C (55.4°F) and max 22.8°C (73°F). The average high-temperature during July registers at a still agreeable 22.8°C (73°F), maintaining a close resemblance to the previous month. Weather in July »Weather in August
August, the last month of the summer in Hallu, is a warm month, with an average temperature ranging between min 13.4°C (56.1°F) and max 23.1°C (73.6°F). August tends to be the warmest month, with temperatures averaging a daily high of 23.1°C (73.6°F) and a low of 13.4°C (56.1°F). Weather in August »Weather in September
September, the first month of the autumn in Hallu, is still a comfortable month, with an average temperature varying between 19.5°C (67.1°F) and 10.7°C (51.3°F). Hallu's progression into September involves a gentle drop in the average high-temperature, from a warm 23.1°C (73.6°F) in August to an enjoyable 19.5°C (67.1°F). Weather in September »Weather in October
October, the same as September, in Hallu, France, is another refreshing autumn month, with temperature in the range of an average low of 8.1°C (46.6°F) and an average high of 15.1°C (59.2°F). October implies a soft temperature shift, with average high-temperatures reducing from September's enjoyable 19.5°C (67.1°F) to a still refreshing 15.1°C (59.2°F). Weather in October »Weather in November
November, the last month of the autumn in Hallu, is another chilly month, with an average temperature varying between 9.4°C (48.9°F) and 4.7°C (40.5°F). The commencement of November involves a temperature shift, with the average high-temperature dropping from a moderate 15.1°C (59.2°F) in October to a frosty 9.4°C (48.9°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Hallu, France, with an average temperature fluctuating between 2.2°C (36°F) and 6.4°C (43.5°F). The average high-temperature slightly decreases in December, shifting from a frosty 9.4°C (48.9°F) in November to a still chilly 6.4°C (43.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hallu, France
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure
Hallu, France
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.6mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.6mbar - Average pressure in June:
1016.4mbar
- Average pressure in July:
1016.1mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1012.9mbar - Average pressure in December:
1017.3mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed
Hallu, France
- Average wind speed in January:
16.7km/h - Average wind speed in February:
17.4km/h - Average wind speed in March:
15.8km/h - Average wind speed in April:
12.8km/h - Average wind speed in May:
12.6km/h - Average wind speed in June:
12.1km/h
- Average wind speed in July:
11.5km/h - Average wind speed in August:
11.1km/h - Average wind speed in September:
11.6km/h - Average wind speed in October:
13.7km/h - Average wind speed in November:
15.8km/h - Average wind speed in December:
17.3km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity
Hallu, France
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Hallu, France
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days
Hallu, France
- Average rainfall days in January:
15 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
12 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
16 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).
Average snowfall
Hallu, France
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days
Hallu, France
- Average snowfall days in January:
3.6 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hallu, France
- Average daylight in January:
8h and 42min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 24min - Average daylight in June:
16h and 18min
- Average daylight in July:
15h and 48min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 6min - Average daylight in December:
8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 12min - Average sunshine in September:
7h and 30min - Average sunshine in October:
5h and 42min - Average sunshine in November:
4h and 6min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Hallu, France
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15 days - Average sunshine days in October:
13 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index
Hallu, 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
Hallu, France
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility
Hallu, France
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





