August weather forecastYffiniac, France

August

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).

Temperature

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).

Humidity

In August, the average relative humidity is 82%.

Rainfall

In Yffiniac, France, in August, it is raining for 15.4 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Yffiniac, there are 175 rainfall days, and 425mm (16.73") of precipitation is accumulated.

Snowfall

In Yffiniac, snow does not fall in May through October.

Daylight

In August, the average length of the day is 14h and 17min.
On the first day of August in Yffiniac, sunrise is at 06:46 and sunset at 21:47. On the last day of the month, sunrise is at 07:27 and sunset at 20:54 CEST.

Sunshine

In August, the average sunshine in Yffiniac, France, is 7.6h.

UV index

The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 in August translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

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.

The high-temperature, in August, in Yffiniac, records 20.6°C (69.1°F), while the low-temperature is 12.9°C (55.2°F).

In Yffiniac, France, the average relative humidity in August is 82%.

In Yffiniac, France, during August, the rain falls for 15.4 days and regularly aggregates up to 38mm (1.5") of precipitation.

In Yffiniac, snow does not fall in May through October.

In August, the average day length in Yffiniac is 14h and 17min.

In August, on the first day of the month, sunrise is at 06:46 and sunset at 21:47. On the last day of the month, sunrise is at 07:27 and sunset at 20:54 CEST.

The average sunshine duration in August in Yffiniac, France, is 7.6h.

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Yffiniac, France

  • Average high temperature in August: 20.6°C

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).

  • Average low temperature in August: 12.9°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 in August
Yffiniac, France

  • Average pressure in August: 1017mbar

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 in August
Yffiniac, France

  • Average wind speed in August: 13.8km/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 in August
Yffiniac, France

  • Average humidity in August: 82%

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 in August
Yffiniac, France

  • Average rainfall in August: 38mm

The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in August
Yffiniac, France

  • Average rainfall days in August: 15.4 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 in August
Yffiniac, France

  • Average snowfall in August: 0mm

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 in August
Yffiniac, France

  • Average snowfall days in August: 0 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 in August /
Average sunshine in August
Yffiniac, France

  • Average daylight in August: 14h and 18min

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 August: 7h and 36min

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 in August
Yffiniac, France

  • Average sunshine days in August: 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 in August
Yffiniac, France

  • Average UV index in August: 4

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 in August
Yffiniac, France

  • Average cloud cover in August: 45

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 in August
Yffiniac, France

  • Average visibility in August: 9km

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).