January weather forecast
Croagh, Ireland

January

Weather in January

January, like December, is another chilly winter month in Croagh, Ireland, with an average temperature ranging between min 3.1°C (37.6°F) and max 7.8°C (46°F).

Temperature

January, characterized by an average high temperature of 7.8°C (46°F) and a low temperature of 3.1°C (37.6°F), is generally the coldest month.

Humidity

In Croagh, the average relative humidity in January is 89%.

Rainfall

In Croagh, Ireland, during January, the rain falls for 16.9 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 204.6 rainfall days, and 512mm (20.16") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. In Croagh, Ireland, during January, snow falls for 0.8 days and regularly aggregates up to 18mm (0.71") of snow. Throughout the year, in Croagh, there are 3.2 snowfall days, and 57mm (2.24") of snow is accumulated.

Daylight

The average length of the day in January is 8h and 18min.
On the first day of the month, sunrise is at 8:46 am and sunset at 4:31 pm. On the last day of January, sunrise is at 8:19 am and sunset at 5:18 pm GMT.

Sunshine

The months with the least sunshine are January and December, with an average of 4h of sunshine.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the coldest time of year in Croagh?
In Croagh, the average lowest temperatures are observed in January, with a high of 7.8°C (46°F) and a low of 3.1°C (37.6°F).
What is the usual temperature for Croagh in January?
The high-temperature, in January, in Croagh, records 7.8°C (46°F), while the low-temperature is 3.1°C (37.6°F).
What is the average humidity in January in Croagh?
In Croagh, Ireland, the average relative humidity in January is 89%.
How much does it rain in Croagh in January?
In Croagh, in January, it is raining for 16.9 days, with typically 41mm (1.61") of accumulated precipitation.
How many days does it snow in January in Croagh?
In Croagh, Ireland, in January, during 0.8 snowfall days, 18mm (0.71") of snow is typically accumulated.
How many hours of daylight does Croagh have in January?
The average day length in January is 8h and 18min.
When is the sunrise / sunset in January in Croagh?
On the first day of January in Croagh, Ireland, sunrise is at 8:46 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 5:18 pm GMT.
What are the months with the least sunshine in Croagh?
The months with the least sunshine are January and December, with an average of 4h of sunshine.
How many hours of sunshine does Croagh have in January?
In Croagh, Ireland, the average sunshine duration in January is 4h.
What is the month with the lowest UV index in Croagh?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
How high is the UV index in January in Croagh?
In January, the average daily maximum UV index in Croagh, Ireland, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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 - Croagh, Ireland
Average temperature in January
Croagh, Ireland
  • Average high temperature in January: 7.8°C

The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in January: 3.1°C

The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).

Average pressure in January - Croagh, Ireland
Average pressure in January
Croagh, Ireland
  • Average pressure in January: 1011.4mbar

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

Average wind speed in January - Croagh, Ireland
Average wind speed in January
Croagh, Ireland
  • Average wind speed in January: 18.9km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

Average humidity in January - Croagh, Ireland
Average humidity in January
Croagh, Ireland
  • Average humidity in January: 89%

The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).

Average rainfall in January - Croagh, Ireland
Average rainfall in January
Croagh, Ireland
  • Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in January - Croagh, Ireland
Average rainfall days in January
Croagh, Ireland
  • Average rainfall days in January: 16.9 days

The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).

Average snowfall in January - Croagh, Ireland
Average snowfall in January
Croagh, Ireland
  • Average snowfall in January: 18mm

The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January - Croagh, Ireland
Average snowfall days in January
Croagh, Ireland
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

Average daylight in January / Average sunshine in January - Croagh, Ireland
Average daylight in January /
Average sunshine in January
Croagh, 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 48min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

Average sunshine days in January - Croagh, Ireland
Average sunshine days in January
Croagh, Ireland
  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).

Average UV index in January - Croagh, Ireland
Average UV index in January
Croagh, 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).

Average cloud cover in January - Croagh, Ireland
Average cloud cover in January
Croagh, Ireland
  • Average cloud cover in January: 62

The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).

Average visibility in January - Croagh, Ireland
Average visibility in January
Croagh, Ireland
  • Average visibility in January: 9km

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

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