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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, the same as December, in Guilliers, France, is a frosty winter month, with an average temperature ranging between max 8.4°C (47.1°F) and min 2.6°C (36.7°F). January, with an average high of 8.4°C (47.1°F) and a low of 2.6°C (36.7°F), signifies the coldest month of the year. Weather in January »
Weather in February
February, the last month of the winter in Guilliers, is another chilly month, with an average temperature varying between 2.3°C (36.1°F) and 9.1°C (48.4°F). The high-temperature average in February for Guilliers is a still chilly 9.1°C (48.4°F), staying closely aligned with January's conditions. Weather in February »
Weather in March
March, the first month of the spring in Guilliers, is a fresh month, with temperature in the range of an average low of 3.6°C (38.5°F) and an average high of 12.1°C (53.8°F). Observing a minor shift, the average high-temperature during March adjusts from February's chilly 9.1°C (48.4°F) to a fresh 12.1°C (53.8°F). Weather in March »
Weather in April
April in Guilliers, France, is a mild spring month, with an average temperature ranging between max 15.2°C (59.4°F) and min 5.2°C (41.4°F). April sees a marginal temperature increase, moving from a cool 12.1°C (53.8°F) in March to a refreshing 15.2°C (59.4°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Guilliers, France, with an average temperature ranging between min 8°C (46.4°F) and max 17.4°C (63.3°F). The commencement of May notes an average high-temperature of a still refreshing 17.4°C (63.3°F), exhibiting little difference from the previous month. Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Guilliers, France, with an average temperature varying between 11°C (51.8°F) and 20.7°C (69.3°F). A minor escalation in the average high-temperature is seen with the onset of June, moving from a comfortable 17.4°C (63.3°F) in May to an agreeable 20.7°C (69.3°F). Weather in June »
Weather in July
July in Guilliers, France, is a moderately hot summer month, with an average temperature ranging between max 23°C (73.4°F) and min 12.8°C (55°F). With the transition into July, Guilliers notes an average high-temperature of a warm 23°C (73.4°F), closely resembling June. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Guilliers, France, with an average temperature varying between 12.6°C (54.7°F) and 23.1°C (73.6°F). Temperature readings reach their annual highs in August, averaging 23.1°C (73.6°F) and a minimum average of 12.6°C (54.7°F). Weather in August »
Weather in September
September, the first month of the autumn in Guilliers, is also an agreeable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 20.8°C (69.4°F). With the start of September, Guilliers measures an average high-temperature of an agreeable 20.8°C (69.4°F), not significantly differing from August's 23.1°C (73.6°F). Weather in September »
Weather in October
October, like September, in Guilliers, France, is another refreshing autumn month, with an average temperature ranging between min 9.2°C (48.6°F) and max 16.9°C (62.4°F). Guilliers's weather subtly changes with the onset of October, barely falling from a pleasant 20.8°C (69.4°F) in September to an enjoyable 16.9°C (62.4°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Guilliers, France, with an average temperature fluctuating between 11.9°C (53.4°F) and 6.3°C (43.3°F). As November arrives, Guilliers's weather displays a minor decrease in high-temperatures, transitioning from October's refreshing 16.9°C (62.4°F) to a fresh 11.9°C (53.4°F). Weather in November »
Weather in December
December, the first month of the winter in Guilliers, is still a chilly month, with an average temperature fluctuating between 4.2°C (39.6°F) and 9.1°C (48.4°F). The transition into December marks the average high-temperature at a chilly 9.1°C (48.4°F), differing minimally from November's 11.9°C (53.4°F). 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 are the coldest months in Guilliers?
January, known for its average high temperature of 8.4°C (47.1°F) and an average low temperature of 2.6°C (36.7°F), is the coldest month in Guilliers.
How much does it rain in Guilliers?
In Guilliers, during the entire year, the rain falls for 150.1 days and collects up to 330mm (12.99") of precipitation.
When does it snow in Guilliers?
January through April, November and December are months with snowfall in Guilliers.
How many days does it snow in Guilliers?
Throughout the year, in Guilliers, there are 2.8 snowfall days, and 10mm (0.39") of snow is accumulated.
What is the month with the least sunshine in Guilliers?
With an average of 4.2h of sunshine, January has the least sunshine of the year in Guilliers, France.
What is the month with the lowest UV index in Guilliers?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Guilliers?
The months with the most snowfall in Guilliers, France, are February through April and December, with an average 2mm (0.08") of accumulated snow.
When it does not snow in Guilliers?
May through October are months without snowfall in Guilliers.
What is the rainiest month in Guilliers?
The month with the most rainfall in Guilliers, France, is June, when the rain falls for 14.4 days and typically aggregates up to 39mm (1.54") of precipitation.
When are the longest days in Guilliers?
The month with the longest days is June, with an average of 16h and 0min of daylight.
When is the highest UV index in Guilliers?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Guilliers, France.
What is the least humid month in Guilliers?
July through September, with an average relative humidity of 78%, are the least humid months in Guilliers, France.
What month has the most sunshine in Guilliers?
The month with the most sunshine is July, with an average of 9.7h of sunshine.
What month is the hottest in Guilliers?
In Guilliers, France, the peak temperatures are generally noted in August, averaging a high of 23.1°C (73.6°F) and a low of 12.6°C (54.7°F).
What is the driest month in Guilliers?
The month with the least rainfall in Guilliers is September, when the rain falls for 8.4 days and typically collects 12mm (0.47") of precipitation.
When is Daylight Saving Time (DST) in Guilliers?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Guilliers, 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 most humid month in Guilliers?
The most humid month is December, with an average relative humidity of 88%.
What is the month with the shortest days in Guilliers?
With an average of 8h and 24min of daylight, December has the shortest days of the year in Guilliers.
Average temperature
Guilliers, 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 (8.4°C).
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure
Guilliers, France
- Average pressure in January:
1017.6mbar - Average pressure in February:
1016.4mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017.3mbar - Average pressure in June:
1016.9mbar
- Average pressure in July:
1017.2mbar - Average pressure in August:
1017.1mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1012.9mbar - Average pressure in December:
1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed
Guilliers, France
- Average wind speed in January:
16.8km/h - Average wind speed in February:
17.6km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
13.6km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
12.6km/h
- Average wind speed in July:
12.3km/h - Average wind speed in August:
11.7km/h - Average wind speed in September:
12.1km/h - Average wind speed in October:
13.7km/h - Average wind speed in November:
16.1km/h - Average wind speed in December:
16.8km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity
Guilliers, France
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall
Guilliers, France
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days
Guilliers, France
- Average rainfall days in January:
13.3 days - Average rainfall days in February:
11 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
12.2 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall
Guilliers, France
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Guilliers, France
- Average snowfall days in January:
0.7 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.3 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:
0.2 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Guilliers, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - 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 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
8h and 1min - Average sunshine in September:
7h and 3min - Average sunshine in October:
6h and 2min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Guilliers, France
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
13.2 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index
Guilliers, 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
Guilliers, France
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility
Guilliers, France
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).
