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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 a frosty winter month in Yffiniac, France, with an average temperature ranging between min 4.2°C (39.6°F) and max 8.5°C (47.3°F). In Yffiniac, January records the lowest average temperatures, peaking at 8.5°C (47.3°F) and reaching a low of 4.2°C (39.6°F). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Yffiniac, France, with an average temperature varying between 3.8°C (38.8°F) and 8.8°C (47.8°F). A minimal variation is noted in Yffiniac's average high-temperature at the onset of February, reaching a still frosty 8.8°C (47.8°F) from January's 8.5°C (47.3°F). Weather in February »
Weather in March
March, the first month of the spring in Yffiniac, is a fresh month, with temperature in the range of an average low of 4.8°C (40.6°F) and an average high of 10.9°C (51.6°F). Transitioning into March, Yffiniac experiences an average high-temperature of a cool 10.9°C (51.6°F), marking a minor shift from the preceding month. Weather in March »
Weather in April
April is a refreshing spring month in Yffiniac, France, with an average temperature varying between 13.3°C (55.9°F) and 6.1°C (43°F). Yffiniac, France, experiences a recorded average high-temperature of a refreshing 13.3°C (55.9°F) in April, closely aligned with March's 10.9°C (51.6°F). Weather in April »
Weather in May
The last month of the spring, May, is another mild month in Yffiniac, France, with an average temperature fluctuating between 15.5°C (59.9°F) and 8.3°C (46.9°F). Transitioning into May, Yffiniac records an average high-temperature of a still mild 15.5°C (59.9°F), almost identical to April's 13.3°C (55.9°F). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Yffiniac, France, with an average temperature fluctuating between 18.3°C (64.9°F) and 10.8°C (51.4°F). Yffiniac records an average high-temperature of a still refreshing 18.3°C (64.9°F) in June, closely mirroring the climate of the previous month. Weather in June »
Weather in July
July is an agreeable summer month in Yffiniac, France, with an average temperature fluctuating between 20.4°C (68.7°F) and 12.7°C (54.9°F). July's average high-temperature is an agreeable 20.4°C (68.7°F), maintaining a close comparison with June's 18.3°C (64.9°F). Weather in July »
Weather in August
August, the last month of the summer in Yffiniac, is another pleasant month, with an average temperature varying between 20.6°C (69.1°F) and 12.9°C (55.2°F). The warmest month is August, with an average high-temperature of 20.6°C (69.1°F) and an average low-temperature of 12.9°C (55.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Yffiniac, is still a comfortable month, with an average temperature varying between 11.5°C (52.7°F) and 19.2°C (66.6°F). As Yffiniac, France, welcomes September, the average high-temperature records at an enjoyable 19.2°C (66.6°F), marking an insignificant deviation from the prior month. Weather in September »
Weather in October
October, the same as September, in Yffiniac, France, is another mild autumn month, with an average temperature ranging between min 10°C (50°F) and max 15.9°C (60.6°F). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a comfortable 19.2°C (66.6°F) to a moderate 15.9°C (60.6°F). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Yffiniac, France, with an average temperature fluctuating between 11.8°C (53.2°F) and 7.5°C (45.5°F). A minor decrease in the average high-temperature is observed during November, shifting from a refreshing 15.9°C (60.6°F) in October to a fresh 11.8°C (53.2°F). Weather in November »
Weather in December
December, the first month of the winter in Yffiniac, is also a frosty month, with temperature in the range of an average low of 5.6°C (42.1°F) and an average high of 9.4°C (48.9°F). Yffiniac's average high-temperature in December is a frosty 9.4°C (48.9°F), marking an insignificant difference from the 11.8°C (53.2°F) of November. Weather in December »
Updated: Feb 9, 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 Yffiniac?
January is the coldest month, with an average high-temperature of 8.5°C (47.3°F) and an average low-temperature of 4.2°C (39.6°F).
What are the most humid months in Yffiniac?
The months with the highest humidity in Yffiniac, France, are January, November and December, with an average relative humidity of 85%.
How many days does it rain in Yffiniac?
Throughout the year, there are 175 rainfall days, and 425mm (16.73") of precipitation is accumulated.
When does it snow in Yffiniac?
January through April, November and December are months with snowfall in Yffiniac, France.
How many days does it snow in Yffiniac?
Throughout the year, there are 5.8 snowfall days, and 35mm (1.38") of snow is accumulated.
What is the month with the least sunshine in Yffiniac?
With an average of 3.5h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Yffiniac?
The months with the lowest UV index in Yffiniac are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Yffiniac?
February is the month with the most snowfall. Snow falls for 2.3 days and accumulates 13mm (0.51") of snow.
When it does not snow in Yffiniac?
May through October are months without snowfall in Yffiniac, France.
When are the longest days in Yffiniac?
With an average of 16h and 6min of daylight, June has the longest days of the year in Yffiniac.
When is the highest UV index in Yffiniac?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Yffiniac, France.
What month has the most sunshine in Yffiniac?
With an average of 9.6h of sunshine, July has the most sunshine of the year in Yffiniac.
What month is the hottest in Yffiniac?
Yffiniac's August weather, with an average high temperature of 20.6°C (69.1°F) and an average low temperature of 12.9°C (55.2°F), tends to be the warmest of the year.
What is the least humid month in Yffiniac?
With an average relative humidity of 81%, September is the least humid month.
What is the driest month in Yffiniac?
The month with the least rainfall in Yffiniac, France, is September, when the rain falls for 11 days and typically collects 18mm (0.71") of precipitation.
When is Daylight Saving Time (DST) in Yffiniac?
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 Yffiniac?
The month with the most rainfall is November, when the rain falls for 17.4 days and typically aggregates up to 50mm (1.97") of precipitation.
What is the month with the shortest days in Yffiniac?
With an average of 8h and 24min of daylight, December has the shortest days of the year in Yffiniac, France.
Average temperature
Yffiniac, France
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure
Yffiniac, France
- Average pressure in January:
1017mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017.4mbar - Average pressure in June:
1017.1mbar
- Average pressure in July:
1017.2mbar - Average pressure in August:
1017mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1016.2mbar - Average pressure in November:
1012.3mbar - Average pressure in December:
1017.7mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed
Yffiniac, France
- Average wind speed in January:
21.1km/h - Average wind speed in February:
21.3km/h - Average wind speed in March:
19.3km/h - Average wind speed in April:
16.1km/h - Average wind speed in May:
15.2km/h - Average wind speed in June:
14.4km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
13.8km/h - Average wind speed in September:
14.7km/h - Average wind speed in October:
17km/h - Average wind speed in November:
20.3km/h - Average wind speed in December:
21.2km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).
Average humidity
Yffiniac, France
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).
Average rainfall
Yffiniac, France
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days
Yffiniac, France
- Average rainfall days in January:
16.4 days - Average rainfall days in February:
14.6 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
11 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
17.4 days - Average rainfall days in December:
16.1 days
The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).
Average snowfall
Yffiniac, France
The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Yffiniac, France
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.5 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:
0.5 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Yffiniac, 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 1min
- 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 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
5h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
7h and 4min - Average sunshine in September:
7h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Yffiniac, France
- Average sunshine days in January:
9.9 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
11.7 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).
Average UV index
Yffiniac, France
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Yffiniac, France
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility
Yffiniac, France
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
