January weather forecast
Cilrhedyn, United Kingdom

January

Weather in January

January, the same as December, in Cilrhedyn, United Kingdom, is a frosty winter month, with an average temperature varying between 4.7°C (40.5°F) and 7.8°C (46°F).

Temperature

Cilrhedyn's weather in January indicates an average high-temperature of a still chilly 7.8°C (46°F), nearly consistent with the 9°C (48.2°F) of December. In the month of January, Cilrhedyn experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 4.7°C (40.5°F).

Humidity

The months with the highest humidity in Cilrhedyn are January, July, August and December, with an average relative humidity of 85%.

Rainfall

In Cilrhedyn, in January, during 18.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 198.1 rainfall days, and 426mm (16.77") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In January, in Cilrhedyn, it is snowing for 1.1 days. Throughout January, 2mm (0.08") of snow is accumulated. Throughout the year, in Cilrhedyn, there are 4.3 snowfall days, and 15mm (0.59") of snow is accumulated.

Daylight

In January, the average length of the day is 8h and 23min.
On the first day of the month, sunrise is at 8:25 am and sunset at 4:16 pm. On the last day of January, in Cilrhedyn, sunrise is at 7:59 am and sunset at 5:02 pm GMT.

Sunshine

January and December, with an average of 3.7h of sunshine, are months with the least sunshine.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Cilrhedyn, United Kingdom. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

What is the average January temperature in Cilrhedyn?
The average high-temperature, in January, in Cilrhedyn, is 7.8°C (46°F), while the average low-temperature is 4.7°C (40.5°F).
What is the most humid month in Cilrhedyn?
January, July, August and December, with an average relative humidity of 85%, are most humid months in Cilrhedyn.
What is the average humidity in January in Cilrhedyn?
In January, the average relative humidity in Cilrhedyn, United Kingdom, is 85%.
How many days does it rain in January in Cilrhedyn?
In January, in Cilrhedyn, United Kingdom, the rain falls for 18.1 days. Throughout January, 41mm (1.61") of precipitation is accumulated.
How many days does it snow in January in Cilrhedyn?
In Cilrhedyn, United Kingdom, in January, during 1.1 snowfall days, 2mm (0.08") of snow is typically accumulated.
What is the average length of the day in January in Cilrhedyn?
In January, the average day length is 8h and 23min.
What time are sunrise and sunset in January in Cilrhedyn?
On the first day of January, sunrise is at 8:25 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:02 pm GMT.
What is the month with the least sunshine in Cilrhedyn?
The months with the least sunshine in Cilrhedyn, United Kingdom, are January and December, with an average of 3.7h of sunshine.
How long on average sun shines in January in Cilrhedyn?
In Cilrhedyn, the average sunshine duration in January is 3.7h.
When is the lowest UV index in Cilrhedyn?
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Cilrhedyn.
What is the UV index reading in January in Cilrhedyn?
In January, the average daily maximum UV index in Cilrhedyn is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Cilrhedyn, United Kingdom
Average temperature in January
Cilrhedyn, United Kingdom
  • Average high temperature in January: 7.8°C

The warmest month (with the highest average high temperature) is July (17.6°C).
The month with the lowest average high temperature is February (7.7°C).

  • Average low temperature in January: 4.7°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in January - Cilrhedyn, United Kingdom
Average pressure in January
Cilrhedyn, United Kingdom
  • Average pressure in January: 1013.2mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in January - Cilrhedyn, United Kingdom
Average wind speed in January
Cilrhedyn, United Kingdom
  • Average wind speed in January: 23km/h

The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).

Average humidity in January - Cilrhedyn, United Kingdom
Average humidity in January
Cilrhedyn, United Kingdom
  • Average humidity in January: 85%

The months with the highest relative humidity are January, July, August and December (85%).
The months with the lowest relative humidity are April and May (82%).

Average rainfall in January - Cilrhedyn, United Kingdom
Average rainfall in January
Cilrhedyn, United Kingdom
  • Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is May (20mm).

Average rainfall days in January - Cilrhedyn, United Kingdom
Average rainfall days in January
Cilrhedyn, United Kingdom
  • Average rainfall days in January: 18.1 days

The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is April (13.5 days).

Average snowfall in January - Cilrhedyn, United Kingdom
Average snowfall in January
Cilrhedyn, United Kingdom
  • Average snowfall in January: 2mm

The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in January - Cilrhedyn, United Kingdom
Average snowfall days in January
Cilrhedyn, United Kingdom
  • Average snowfall days in January: 1.1 days

The months with the highest number of snowfall days are February and December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Cilrhedyn, United Kingdom
Average daylight in January /
Average sunshine in January
Cilrhedyn, United Kingdom
  • Average daylight in January: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is May (Average sunshine: 8h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

Average sunshine days in January - Cilrhedyn, United Kingdom
Average sunshine days in January
Cilrhedyn, United Kingdom
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is November (6.8 days).

Average UV index in January - Cilrhedyn, United Kingdom
Average UV index in January
Cilrhedyn, United Kingdom
  • Average UV index in January: 2

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

Average cloud cover in January - Cilrhedyn, United Kingdom
Average cloud cover in January
Cilrhedyn, United Kingdom
  • Average cloud cover in January: 63

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 48).

Average visibility in January - Cilrhedyn, United Kingdom
Average visibility in January
Cilrhedyn, United Kingdom
  • Average visibility in January: 9km

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

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