January weather forecast
Roscoff, France

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Weather in January

January, the same as December, in Roscoff, France, is a frosty winter month, with an average temperature fluctuating between 6.7°C (44.1°F) and 9.6°C (49.3°F).

Temperature

Roscoff's weather in January displays an average high-temperature of a chilly 9.6°C (49.3°F), showing minor disparity from December's 10.6°C (51.1°F). In January, a low-temperature average of 6.7°C (44.1°F) is characteristic of Roscoff, marking a minor shift from daytime temperatures.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Roscoff, in January, it is raining for 22.1 days, with typically 78mm (3.07") of accumulated precipitation. In Roscoff, during the entire year, the rain falls for 217.9 days and collects up to 694mm (27.32") of precipitation.

Snowfall

Months with snowfall in Roscoff, France, are January through March, November and December. In Roscoff, during January, snow falls for 0.8 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, in Roscoff, France, there are 3.5 snowfall days, and 23mm (0.91") of snow is accumulated.

Sea temperature

In January, the average sea temperature is 10.9°C (51.6°F).
Note: Without suitable protection, venturing into 10.9°C (51.6°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.

Daylight

The average length of the day in January in Roscoff is 8h and 49min.
On the first day of the month, sunrise is at 09:08 and sunset at 17:29. On the last day of January, sunrise is at 08:47 and sunset at 18:11 CET.

Sunshine

The average sunshine in January is 3.4h.

UV index

The average daily maximum UV index in January in Roscoff is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in January translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the usual temperature for Roscoff in January?

The average high-temperature and low-temperature in Roscoff during January are 9.6°C (49.3°F) and 6.7°C (44.1°F) respectively.

What is the average humidity in January in Roscoff?

In Roscoff, France, the average relative humidity in January is 82%.

How many days does it rain in January in Roscoff?

In January, in Roscoff, the rain falls for 22.1 days. Throughout January, 78mm (3.07") of precipitation is accumulated.

How much does it snow in Roscoff in January?

In Roscoff, France, in January, during 0.8 snowfall days, 4mm (0.16") of snow is typically accumulated.

What is the water temperature in January in Roscoff?

In Roscoff, France, in January, the average water temperature is 10.9°C (51.6°F). Swimming in 10.9°C (51.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Roscoff have in January?

The average day length in January in Roscoff is 8h and 49min.

When are sunrise and sunset in January in Roscoff?

On the first day of January, sunrise is at 09:08 and sunset at 17:29. On the last day of the month, sunrise is at 08:47 and sunset at 18:11 CET.

How long on average sun shines in January in Roscoff?

In Roscoff, France, the average sunshine duration in January is 3.4h.

What is the UV index reading in January in Roscoff?

In January, the average daily maximum UV index in Roscoff is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Roscoff, France

Average temperature in January - Roscoff, France
  • Average high temperature in January: 9.6°C

The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).

  • Average low temperature in January: 6.7°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).

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Average pressure in January
Roscoff, France

Average pressure in January - Roscoff, France
  • Average pressure in January: 1016.5mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

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Average wind speed in January
Roscoff, France

Average wind speed in January - Roscoff, France
  • Average wind speed in January: 26.8km/h

The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).

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Average humidity in January
Roscoff, France

Average humidity in January - Roscoff, France
  • Average humidity in January: 82%

The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).

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Average rainfall in January
Roscoff, France

Average rainfall in January - Roscoff, France
  • Average rainfall in January: 78mm

The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).

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Average rainfall days in January
Roscoff, France

Average rainfall days in January - Roscoff, France
  • Average rainfall days in January: 22.1 days

The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).

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Average snowfall in January
Roscoff, France

Average snowfall in January - Roscoff, France
  • Average snowfall in January: 4mm

The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in January
Roscoff, France

Average snowfall days in January - Roscoff, France
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in January
Roscoff, France

Average sea temperature in January - Roscoff, France
  • Average sea temperature in January: 10.9°C

The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).

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Average daylight in January /
Average sunshine in January
Roscoff, France

Average daylight in January / Average sunshine in January - Roscoff, France
  • Average daylight in January: 8h and 5min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in January
Roscoff, France

Average sunshine days in January - Roscoff, France
  • Average sunshine days in January: 4.8 days

The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).

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Average UV index in January
Roscoff, France

Average UV index in January - Roscoff, France
  • Average UV index in January: 3

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in January
Roscoff, France

Average cloud cover in January - Roscoff, France
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).

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Average visibility in January
Roscoff, France

Average visibility in January - Roscoff, France
  • Average visibility in January: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).

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Roscoff, France

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