January weather forecast
Old Radnor, United Kingdom

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Weather in January

January, like December, is another chilly winter month in Old Radnor, United Kingdom, with an average temperature varying between 1.2°C (34.2°F) and 6°C (42.8°F).

Temperature

January is the coldest month, exhibiting average temperatures of 6°C (42.8°F) at the peak and 1.2°C (34.2°F) at the base.

Humidity

In January, the average relative humidity in Old Radnor, United Kingdom, is 90%.

Rainfall

In January, the rain falls for 7.4 days. Throughout January, 11mm (0.43") of precipitation is accumulated. Throughout the year, in Old Radnor, United Kingdom, there are 111.5 rainfall days, and 186mm (7.32") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Old Radnor, United Kingdom. The months with the most snowfall in Old Radnor are January and February, with an average 9mm (0.35") of accumulated snow.

Daylight

In January, the average length of the day in Old Radnor is 8h and 20min.
On the first day of January, sunrise is at 8:21 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:56 pm GMT.

Sunshine

In Old Radnor, the average sunshine in January is 3.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the coldest month in Old Radnor?

Old Radnor's January weather, marked by an average high temperature of 6°C (42.8°F) and an average low temperature of 1.2°C (34.2°F), is the coldest in the year.

Is it cold in Old Radnor during January?

January temperatures vary between a high-temperature of 6°C (42.8°F) and a low-temperature of 1.2°C (34.2°F).

What is the average humidity in January in Old Radnor?

In January, the average relative humidity in Old Radnor, United Kingdom, is 90%.

How much does it rain in Old Radnor in January?

In Old Radnor, United Kingdom, in January, it is raining for 7.4 days, with typically 11mm (0.43") of accumulated precipitation.

What is the snowiest month in Old Radnor?

The months with the most snowfall in Old Radnor are January and February, with an average 9mm (0.35") of accumulated snow.

How many days does it snow in January in Old Radnor?

In Old Radnor, United Kingdom, during January, snow falls for 2.3 days and regularly aggregates up to 9mm (0.35") of snow.

How many hours of daylight does Old Radnor have in January?

In January, the average day length is 8h and 20min.

When is the sunrise / sunset in January in Old Radnor?

In January, on the first day of the month, sunrise is at 8:21 am and sunset at 4:09 pm. On the last day of the month, in Old Radnor, United Kingdom, sunrise is at 7:55 am and sunset at 4:56 pm GMT.

How long on average sun shines in January in Old Radnor?

The average sunshine duration in January in Old Radnor is 3.8h.

When is the lowest UV index in Old Radnor?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January in Old Radnor?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Old Radnor, United Kingdom

Average temperature in January - Old Radnor, United Kingdom
  • Average high temperature in January: 6°C

The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in January: 1.2°C

The months with the highest average low temperature are July and August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).

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Average pressure in January
Old Radnor, United Kingdom

Average pressure in January - Old Radnor, United Kingdom
  • Average pressure in January: 1013.4mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in January
Old Radnor, United Kingdom

Average wind speed in January - Old Radnor, United Kingdom
  • Average wind speed in January: 17.2km/h

The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).

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Average humidity in January
Old Radnor, United Kingdom

Average humidity in January - Old Radnor, United Kingdom
  • Average humidity in January: 90%

The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (84%).

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Average rainfall in January
Old Radnor, United Kingdom

Average rainfall in January - Old Radnor, United Kingdom
  • Average rainfall in January: 11mm

The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is September (10mm).

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Average rainfall days in January
Old Radnor, United Kingdom

Average rainfall days in January - Old Radnor, United Kingdom
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in January
Old Radnor, United Kingdom

Average snowfall in January - Old Radnor, United Kingdom
  • Average snowfall in January: 9mm

The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in January
Old Radnor, United Kingdom

Average snowfall days in January - Old Radnor, United Kingdom
  • Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Old Radnor, United Kingdom

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

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).

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Average sunshine days in January
Old Radnor, United Kingdom

Average sunshine days in January - Old Radnor, United Kingdom
  • Average sunshine days in January: 20.7 days

The months with the most sunshine days are January and December (20.7 days).
The month with the least sunshine days is July (13.5 days).

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Average UV index in January
Old Radnor, United Kingdom

Average UV index in January - Old Radnor, 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, March, November and December (UV index 2).

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Average cloud cover in January
Old Radnor, United Kingdom

Average cloud cover in January - Old Radnor, United Kingdom
  • Average cloud cover in January: 61

The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 55).

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Average visibility in January
Old Radnor, United Kingdom

Average visibility in January - Old Radnor, United Kingdom
  • Average visibility in January: 8km

The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).

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Old Radnor, United Kingdom

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