Climate and monthly weather forecastTreffiagat, France
Climate and monthly weather forecast
Weather in January
January, like December, in Treffiagat, France, is another fresh winter month, with an average temperature ranging between min 7.8°C (46°F) and max 10.3°C (50.5°F). Upon the onset of January, Treffiagat witnesses an average high-temperature of a still fresh 10.3°C (50.5°F), showing a close resemblance to the prior month. Weather in January »Weather in February
February, the last month of the winter in Treffiagat, is also a frosty month, with an average temperature fluctuating between 7.3°C (45.1°F) and 9.8°C (49.6°F). Treffiagat's temperature records reveal February as the coldest month, marked by average highs of 9.8°C (49.6°F) and lows of 7.3°C (45.1°F). Weather in February »Weather in March
March, the first month of the spring in Treffiagat, is a cool month, with an average temperature fluctuating between 7.9°C (46.2°F) and 11.3°C (52.3°F). The transition into March notes an average high-temperature of a cool 11.3°C (52.3°F), revealing a mild distinction from the 9.8°C (49.6°F) in February. Weather in March »Weather in April
April is a refreshing spring month in Treffiagat, France, with an average temperature fluctuating between 9.2°C (48.6°F) and 13.1°C (55.6°F). April's weather displays an average high-temperature of a refreshing 13.1°C (55.6°F), slightly varied from March's 11.3°C (52.3°F). Weather in April »Weather in May
The last month of the spring, May, is another mild month in Treffiagat, France, with an average temperature varying between 11.1°C (52°F) and 15°C (59°F). In May, Treffiagat experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 13.1°C (55.6°F) in April to a still moderate 15°C (59°F). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Treffiagat, France, with an average temperature ranging between min 13.8°C (56.8°F) and max 17.4°C (63.3°F). Treffiagat starts June with an average high-temperature of a comfortable 17.4°C (63.3°F), a minor shift from May's 15°C (59°F). Weather in June »Weather in July
July, like June, in Treffiagat, France, is another refreshing summer month, with an average temperature ranging between max 19.4°C (66.9°F) and min 15.6°C (60.1°F). The warmest time of the year is July, with temperatures averaging a high of 19.4°C (66.9°F) and a low of 15.6°C (60.1°F). Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Treffiagat, France, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 15.8°C (60.4°F). The transition from July to August brings an average high-temperature of a still comfortable 19.2°C (66.6°F), barely different from July's 19.4°C (66.9°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Treffiagat, France, with temperature in the range of an average low of 14.5°C (58.1°F) and an average high of 18.5°C (65.3°F). With the onset of September, a modest change to a still comfortable 18.5°C (65.3°F) from August's 19.2°C (66.6°F) is noted in high-temperature. Weather in September »Weather in October
October, like September, in Treffiagat, France, is another comfortable autumn month, with an average temperature fluctuating between 16.2°C (61.2°F) and 13.2°C (55.8°F). The shift to October signals an average high-temperature of a still comfortable 16.2°C (61.2°F), subtly varied from September's 18.5°C (65.3°F). Weather in October »Weather in November
November, the last month of the autumn in Treffiagat, is another mild month, with an average temperature fluctuating between 10.7°C (51.3°F) and 13.3°C (55.9°F). The shift into November records an average high-temperature of a moderate 13.3°C (55.9°F), subtly varied from October's 16.2°C (61.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Treffiagat, France, with an average temperature varying between 9°C (48.2°F) and 11.4°C (52.5°F). As Treffiagat welcomes December, the average high-temperature is noted at a cool 11.4°C (52.5°F), closely aligning with the preceding month. 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
Throughout the year, there are 144.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.
Months with snowfall in Treffiagat, France, are January and December.
In Treffiagat, France, during the entire year, snow falls for 0.3 days.
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Treffiagat, France.
The coldest time of the year is February, with temperatures averaging a high of 9.8°C (49.6°F) and a low of 7.3°C (45.1°F).
The months with the lowest humidity are February through April, September and November, with an average relative humidity of 79%.
In Treffiagat, snow does not fall in February through November.
June through August and December, with an average relative humidity of 81%, are most humid months.
With an average of 15h and 54min of daylight, June has the longest days of the year in Treffiagat.
The months with the highest UV index are June through September, with an average maximum UV index of 5.
During the warmest month in Treffiagat, July, temperatures average a high of 19.4°C (66.9°F) and a low of 15.6°C (60.1°F).
With an average of 10.7h of sunshine, July has the most sunshine of the year in Treffiagat, France.
The month with the least rainfall is September, when the rain falls for 7.8 days and typically collects 13mm (0.51") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Treffiagat, 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.
The month with the most rainfall in Treffiagat, France, is November, when the rain falls for 15.5 days and typically aggregates up to 40mm (1.57") of precipitation.
December has the most snowfall days of the year in Treffiagat. Snow falls for 0.2 days.
With an average of 8h and 30min of daylight, December has the shortest days of the year in Treffiagat.
December has the least sunshine of the year in Treffiagat, with an average of 3.7h of sunshine.
Average temperature
Treffiagat, France
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure
Treffiagat, France
- Average pressure in January:
1017.4mbar - Average pressure in February:
1016.3mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.7mbar - Average pressure in June:
1017.3mbar
- Average pressure in July:
1017.7mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018.5mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1012.6mbar - Average pressure in December:
1018.1mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed
Treffiagat, France
- Average wind speed in January:
27.3km/h - Average wind speed in February:
27.1km/h - Average wind speed in March:
24.1km/h - Average wind speed in April:
20.6km/h - Average wind speed in May:
19km/h - Average wind speed in June:
18.5km/h
- Average wind speed in July:
18.4km/h - Average wind speed in August:
18km/h - Average wind speed in September:
18.6km/h - Average wind speed in October:
21.3km/h - Average wind speed in November:
27km/h - Average wind speed in December:
27.4km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).
Average humidity
Treffiagat, France
The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).
Average rainfall
Treffiagat, France
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days
Treffiagat, France
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
10.1 days - Average rainfall days in August:
10.2 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
13 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
14.4 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (7.8 days).
Average snowfall days
Treffiagat, France
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Treffiagat, France
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 36min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
8h and 18min - Average sunshine in September:
7h and 48min - Average sunshine in October:
7h and 6min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days
Treffiagat, France
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
13 days - Average sunshine days in March:
16 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
17.7 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
18.1 days - Average sunshine days in August:
18.6 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
10.6 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (10.6 days).
Average UV index
Treffiagat, France
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover
Treffiagat, France
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility
Treffiagat, France
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
