Climate and monthly weather forecastRoullens, France
Climate and monthly weather forecast
Weather in January
January, the same as December, in Roullens, France, is another chilly winter month, with temperature in the range of an average high of 8.1°C (46.6°F) and an average low of 2.3°C (36.1°F). With an average high-temperature of 8.1°C (46.6°F) and an average low-temperature of 2.3°C (36.1°F), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Roullens, France, with temperature in the range of an average low of 1.7°C (35.1°F) and an average high of 8.9°C (48°F). February's arrival brings an average high-temperature of a still chilly 8.9°C (48°F), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Roullens, is a cool month, with temperature in the range of an average low of 4.1°C (39.4°F) and an average high of 12.7°C (54.9°F). March's arrival is noted with a slight increase in the average high-temperature, moving from a frosty 8.9°C (48°F) in February to a fresh 12.7°C (54.9°F). Weather in March »Weather in April
April is an enjoyable spring month in Roullens, France, with an average temperature varying between 16.3°C (61.3°F) and 6.7°C (44.1°F). The onset of April brings a minor temperature shift, with the average high-temperature moving from a cool 12.7°C (54.9°F) in March to a refreshing 16.3°C (61.3°F). Weather in April »Weather in May
May, the last month of the spring in Roullens, is another comfortable month, with temperature in the range of an average low of 9.4°C (48.9°F) and an average high of 19.3°C (66.7°F). In Roullens, the average high-temperature in May slightly increases from 16.3°C (61.3°F) in April to a still comfortable 19.3°C (66.7°F). Weather in May »Weather in June
June, the first month of the summer in Roullens, is a moderately hot month, with an average temperature ranging between max 24.2°C (75.6°F) and min 13°C (55.4°F). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an enjoyable 19.3°C (66.7°F) in May to a warm 24.2°C (75.6°F). Weather in June »Weather in July
July, like June, in Roullens, France, is a moderately hot summer month, with an average temperature varying between 27.3°C (81.1°F) and 15.3°C (59.5°F). Roullens in July denotes a subtle temperature transition, adjusting from an average high of 24.2°C (75.6°F) in June to a still moderately hot 27.3°C (81.1°F). Weather in July »Weather in August
August, the last month of the summer in Roullens, is another warm month, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 15.4°C (59.7°F). Roullens, France, registers the highest average temperatures during the month of August, with peaks of 27.8°C (82°F) and lows of 15.4°C (59.7°F). The heat index in August is calculated to be a tropical 30°C (86°F). Weather in August »Weather in September
September, the first month of the autumn in Roullens, is also a moderately hot month, with temperature in the range of an average high of 23.2°C (73.8°F) and an average low of 12.5°C (54.5°F). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 27.8°C (82°F) to a still moderately hot 23.2°C (73.8°F). Weather in September »Weather in October
October, like September, in Roullens, France, is another comfortable autumn month, with an average temperature fluctuating between 18.5°C (65.3°F) and 9.8°C (49.6°F). October brings a slight decrease in the average high-temperature, shifting from a moderately hot 23.2°C (73.8°F) in September to an enjoyable 18.5°C (65.3°F). Weather in October »Weather in November
November, the last month of the autumn in Roullens, is another cool month, with temperature in the range of an average low of 6.2°C (43.2°F) and an average high of 12.4°C (54.3°F). Roullens's progression into November includes a drop in the average high-temperature, from an enjoyable 18.5°C (65.3°F) in October to a cool 12.4°C (54.3°F). Weather in November »Weather in December
December, the first month of the winter in Roullens, is also a frosty month, with an average temperature ranging between min 3.5°C (38.3°F) and max 9.4°C (48.9°F). The onset of December entails a subtle temperature shift, as the average high-temperature eases from a cool 12.4°C (54.3°F) in November to a chilly 9.4°C (48.9°F). Weather in December »Updated: Feb 6, 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
January is the month when Roullens, France, sees the average lowest temperatures, with a high of 8.1°C (46.6°F) and a low of 2.3°C (36.1°F).
January, November and December, with an average relative humidity of 81%, are most humid months in Roullens, France.
In Roullens, during the entire year, the rain falls for 137.8 days and collects up to 335mm (13.19") of precipitation.
Months with snowfall are January through March, November and December.
In Roullens, during the entire year, snow falls for 6.8 days and aggregates up to 40mm (1.57") of snow.
The month with the least sunshine is January, with an average of 5.5h of sunshine.
January, February and November, with an average maximum UV index of 2, are months with the lowest UV index in Roullens, France.
February is the month with the most snowfall in Roullens, France. Snow falls for 2.4 days and accumulates 13mm (0.51") of snow.
April through October are months without snowfall.
With an average of 15h and 18min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
With an average of 11h of sunshine, July has the most sunshine of the year in Roullens.
August, known for its average high temperature of 27.8°C (82°F) and an average low temperature of 15.4°C (59.7°F), is the warmest month in Roullens.
August is the least humid month, with an average relative humidity of 65%.
August and September are months with the least rain when the rain falls for 8.8 days and typically aggregates up to 16mm (0.63") of rain.
The month with the most rainfall in Roullens, France, is October, when the rain falls for 9.4 days and typically aggregates up to 43mm (1.69") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Roullens, France, 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.
With an average of 9h and 6min of daylight, December has the shortest days of the year in Roullens, France.
Average temperature
Roullens, France
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure
Roullens, France
- Average pressure in January:
1019.4mbar - Average pressure in February:
1017.6mbar - Average pressure in March:
1016.8mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1016.7mbar - Average pressure in August:
1017.1mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1017.2mbar - Average pressure in November:
1015.5mbar - Average pressure in December:
1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed
Roullens, France
- Average wind speed in January:
14.5km/h - Average wind speed in February:
15.3km/h - Average wind speed in March:
15.1km/h - Average wind speed in April:
13.7km/h - Average wind speed in May:
14.3km/h - Average wind speed in June:
12.4km/h
- Average wind speed in July:
12.5km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
13.1km/h - Average wind speed in November:
13.7km/h - Average wind speed in December:
13.6km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).
Average humidity
Roullens, France
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).
Average rainfall
Roullens, France
The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).
Average rainfall days
Roullens, France
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
11.1 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
9 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
13 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).
Average snowfall
Roullens, France
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Roullens, France
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.7 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:
0.3 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Roullens, France
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 30min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Roullens, France
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
14 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index
Roullens, France
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover
Roullens, France
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Roullens, France
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
