January weather forecast
Caerwys, United Kingdom

January

Weather in January

January, like December, is a frosty winter month in Caerwys, United Kingdom, with an average temperature fluctuating between 6.3°C (43.3°F) and 2.6°C (36.7°F).

Temperature

In Caerwys, United Kingdom, January records the lowest average temperatures, peaking at 6.3°C (43.3°F) and reaching a low of 2.6°C (36.7°F).

Humidity

With an average relative humidity of 88%, January is the most humid month.

Rainfall

The month with the least rainfall in Caerwys is January, when the rain falls for 14.5 days and typically collects 25mm (0.98") of precipitation.

Snowfall

Months with snowfall are January through May, November and December. January is the month with the most snowfall in Caerwys. Snow falls for 4.3 days and accumulates 27mm (1.06") of snow.

Daylight

In Caerwys, the average length of the day in January is 8h and 11min.
On the first day of the month, sunrise is at 8:27 am and sunset at 4:05 pm. On the last day of January, in Caerwys, sunrise is at 7:59 am and sunset at 4:53 pm GMT.

Sunshine

The average sunshine in January in Caerwys is 4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during January leads to these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What part of the year is the coldest in Caerwys?
Caerwys's January weather, with an average high temperature of 6.3°C (43.3°F) and an average low temperature of 2.6°C (36.7°F), tends to be the coldest of the year.
Is it cold in Caerwys during January?
An average high-temperature, in January, in Caerwys, is 6.3°C (43.3°F) and the average low-temperature is 2.6°C (36.7°F).
What is the most humid month in Caerwys?
With an average relative humidity of 88%, January is the most humid month in Caerwys, United Kingdom.
What is the average humidity in January in Caerwys?
In January, the average relative humidity is 88%.
What is the driest month in Caerwys?
January is the month with the least rainfall in Caerwys, United Kingdom. Rain falls for 14.5 days and accumulates 25mm (0.98") of precipitation.
How many days does it rain in January in Caerwys?
In Caerwys, United Kingdom, during January, the rain falls for 14.5 days and regularly aggregates up to 25mm (0.98") of precipitation.
What is the snowiest month in Caerwys?
January is the month with the most snowfall in Caerwys. Snow falls for 4.3 days and accumulates 27mm (1.06") of snow.
How much does it snow in Caerwys in January?
In Caerwys, in January, during 4.3 snowfall days, 27mm (1.06") of snow is typically accumulated.
How many hours of daylight does Caerwys have in January?
In Caerwys, United Kingdom, the average day length in January is 8h and 11min.
When is the sunrise / sunset in January in Caerwys?
On the first day of January in Caerwys, sunrise is at 8:27 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:53 pm GMT.
How long on average sun shines in January in Caerwys?
The average sunshine duration in January in Caerwys, United Kingdom, is 4h.
What are the months with the lowest UV index in Caerwys?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Caerwys.
How high is the UV index in January in Caerwys?
In January, the average daily maximum UV index in Caerwys, United Kingdom, is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Caerwys, United Kingdom
  • Average high temperature in January: 6.3°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in January: 2.6°C

The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).

Average pressure in January
Caerwys, United Kingdom
  • Average pressure in January: 1012.5mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

Average wind speed in January
Caerwys, United Kingdom
  • Average wind speed in January: 18.4km/h

The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).

Average humidity in January
Caerwys, United Kingdom
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and May (81%).

Average rainfall in January
Caerwys, United Kingdom
  • Average rainfall in January: 25mm

The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is January (25mm).

Average rainfall days in January
Caerwys, United Kingdom
  • Average rainfall days in January: 14.5 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12 days).

Average snowfall in January
Caerwys, United Kingdom
  • Average snowfall in January: 27mm

The month with the highest snowfall is January (27mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in January
Caerwys, United Kingdom
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Caerwys, United Kingdom
  • Average daylight in January: 8h and 1min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in January: 4h and 0min

The months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).

Average sunshine days in January
Caerwys, United Kingdom
  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is March (12.2 days).
The month with the least sunshine days is July (7.7 days).

Average UV index in January
Caerwys, United Kingdom
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Caerwys, United Kingdom
  • Average cloud cover in January: 61

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 50).

Average visibility in January
Caerwys, United Kingdom
  • Average visibility in January: 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).

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