January weather forecast
Ardnacrusha, Ireland

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Weather in January

January, the same as December, in Ardnacrusha, Ireland, is another chilly winter month, with an average temperature fluctuating between 7.5°C (45.5°F) and 2.7°C (36.9°F).

Temperature

With average temperatures fluctuating between a high of 7.5°C (45.5°F) and a low of 2.7°C (36.9°F), January stands out as the coldest month.

Humidity

In Ardnacrusha, the average relative humidity in January is 90%.

Rainfall

In January, in Ardnacrusha, the rain falls for 19.8 days. Throughout January, 49mm (1.93") of precipitation is accumulated. In Ardnacrusha, during the entire year, the rain falls for 228.5 days and collects up to 603mm (23.74") of precipitation.

Snowfall

January through March and December are months with snowfall. The months with the most snowfall in Ardnacrusha are January and December, with an average 17mm (0.67") of accumulated snow.

Daylight

In Ardnacrusha, the average length of the day in January is 8h and 16min.
On the first day of the month, sunrise is at 8:46 am and sunset at 4:29 pm. On the last day of January, sunrise is at 8:18 am and sunset at 5:16 pm GMT.

Sunshine

The average sunshine in January is 4h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In January, a regular UV index of 2 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the coldest time of year in Ardnacrusha?

January is the month when Ardnacrusha, Ireland, sees the average lowest temperatures, with a high of 7.5°C (45.5°F) and a low of 2.7°C (36.9°F).

What is the usual temperature for Ardnacrusha in January?

The average high-temperature and low-temperature during January are 7.5°C (45.5°F) and 2.7°C (36.9°F) respectively.

What is the average humidity in January in Ardnacrusha?

In Ardnacrusha, Ireland, the average relative humidity in January is 90%.

How many days does it rain in January in Ardnacrusha?

In Ardnacrusha, during January, the rain falls for 19.8 days and regularly aggregates up to 49mm (1.93") of precipitation.

When does it snow the most in Ardnacrusha?

The months with the most snowfall in Ardnacrusha, Ireland, are January and December, with an average 17mm (0.67") of accumulated snow.

How many days does it snow in January in Ardnacrusha?

In Ardnacrusha, Ireland, during January, snow falls for 1.3 days and regularly aggregates up to 17mm (0.67") of snow.

What is the average length of the day in January in Ardnacrusha?

In January, the average day length in Ardnacrusha, Ireland, is 8h and 16min.

When are sunrise and sunset in January in Ardnacrusha?

In January, on the first day of the month, sunrise is at 8:46 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 5:16 pm GMT.

How many hours of sunshine does Ardnacrusha have in January?

In January, the average sunshine duration in Ardnacrusha is 4h.

When is the lowest UV index in Ardnacrusha?

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 intensity in January in Ardnacrusha?

In January, the average daily maximum UV index in Ardnacrusha, Ireland, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from 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
Ardnacrusha, Ireland

Average temperature in January - Ardnacrusha, Ireland
  • Average high temperature in January: 7.5°C

The warmest month (with the highest average high temperature) is July (18.1°C).
The month with the lowest average high temperature is January (7.5°C).

  • Average low temperature in January: 2.7°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).

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Average pressure in January
Ardnacrusha, Ireland

Average pressure in January - Ardnacrusha, Ireland
  • Average pressure in January: 1011.6mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).

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Average wind speed in January
Ardnacrusha, Ireland

Average wind speed in January - Ardnacrusha, Ireland
  • Average wind speed in January: 18km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

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Average humidity in January
Ardnacrusha, Ireland

Average humidity in January - Ardnacrusha, Ireland
  • Average humidity in January: 90%

The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (85%).

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Average rainfall in January
Ardnacrusha, Ireland

Average rainfall in January - Ardnacrusha, Ireland
  • Average rainfall in January: 49mm

The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is September (39mm).

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Average rainfall days in January
Ardnacrusha, Ireland

Average rainfall days in January - Ardnacrusha, Ireland
  • Average rainfall days in January: 19.8 days

The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is February (16.4 days).

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Average snowfall in January
Ardnacrusha, Ireland

Average snowfall in January - Ardnacrusha, Ireland
  • Average snowfall in January: 17mm

The months with the highest snowfall are January and December (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in January
Ardnacrusha, Ireland

Average snowfall days in January - Ardnacrusha, Ireland
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in January /
Average sunshine in January
Ardnacrusha, Ireland

Average daylight in January / Average sunshine in January - Ardnacrusha, Ireland
  • Average daylight in January: 8h and 2min

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

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is June (Average sunshine: 7h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 54min).

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Average sunshine days in January
Ardnacrusha, Ireland

Average sunshine days in January - Ardnacrusha, Ireland
  • Average sunshine days in January: 9.1 days

The month with the most sunshine days is March (10.2 days).
The month with the least sunshine days is August (3.9 days).

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Average UV index in January
Ardnacrusha, Ireland

Average UV index in January - Ardnacrusha, Ireland
  • Average UV index in January: 2

The months with the highest UV index are May and June (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
Ardnacrusha, Ireland

Average cloud cover in January - Ardnacrusha, Ireland
  • Average cloud cover in January: 61

The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 57).

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Average visibility in January
Ardnacrusha, Ireland

Average visibility in January - Ardnacrusha, Ireland
  • Average visibility in January: 8km

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

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Ardnacrusha, Ireland

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