January weather forecast
Clifden, Ireland

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Weather in January

January in Clifden, Ireland portrays the classic image of a winter month, loaded with chilly temperatures and the distinctive possibility of rain. The lowest sea temperature presents a frigid North Atlantic Ocean with 9.9°C (49.8°F). There is a transition from the sun's scarce appearance during the shortest daylight hours of the year to a slight ascend towards more sunlight. The cold dominates, even as the days gradually crawl towards spring. Weather patterns of this month largely determine the region's characteristic winter look, with frosts and crisp clear days.

Temperature

January, February and December are known as Clifden's coldest months, with an average high-temperature of 9°C (48.2°F).

Rainfall

January is the month with the most rainfall in Clifden. Rain falls for 24 days and accumulates 137mm (5.39") of precipitation.

Sea temperature

In January, the average sea temperature in Clifden is 9.9°C (49.8°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Clifden, the average length of the day in January is 8h and 9min.
On the first day of the month, sunrise is at 8:55 am and sunset at 4:30 pm. On the last day of January, sunrise is at 8:27 am and sunset at 5:19 pm GMT.

Sunshine

In Clifden, Ireland, the average sunshine in January is 2h.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index in Clifden. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 0 in January translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What month is the coldest in Clifden?

In Clifden, the months of January, February and December are known for the lowest temperatures, reaching an average high of 9°C (48.2°F).

What are the temperatures in Clifden in January?

In Clifden, 9°C (48.2°F) is the average high-temperature and 3°C (37.4°F) is the average low-temperature during January.

What is the rainiest month in Clifden?

The month with the most rainfall in Clifden, Ireland, is January, when the rain falls for 24 days and typically aggregates up to 137mm (5.39") of precipitation.

How many days does it rain in January in Clifden?

In Clifden, Ireland, in January, it is raining for 24 days, with typically 137mm (5.39") of accumulated precipitation.

What is the water temperature in January in Clifden?

In Clifden, Ireland, in January, the average water temperature is 9.9°C (49.8°F). Swimming in 9.9°C (49.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

The average day length in January in Clifden, Ireland, is 8h and 9min.

What time are sunrise and sunset in January in Clifden?

On the first day of January, sunrise is at 8:55 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 5:19 pm GMT.

How long on average sun shines in January in Clifden?

The average sunshine duration in January is 2h.

When is the lowest UV index in Clifden?

The months with the lowest UV index are January and December, with an average maximum UV index of 0.

How high is the UV index in January in Clifden?

In January, the average daily maximum UV index is 0. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Clifden, Ireland

Average temperature in January - Clifden, Ireland
  • Average high temperature in January: 9°C

The warmest months (with the highest average high temperature) are July and August (18°C).
The months with the lowest average high temperature are January, February and December (9°C).

  • Average low temperature in January: 3°C

The months with the highest average low temperature are July and August (11°C).
The coldest months (with the lowest average low temperature) are January and February (3°C).

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Average rainfall in January
Clifden, Ireland

Average rainfall in January - Clifden, Ireland
  • Average rainfall in January: 137mm

The wettest month (with the highest rainfall) is January (137mm).
The driest month (with the least rainfall) is April (66mm).

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Average rainfall days in January
Clifden, Ireland

Average rainfall days in January - Clifden, Ireland
  • Average rainfall days in January: 24 days

The months with the highest number of rainy days are January, November and December (24 days).
The months with the least rainy days are April, June and July (17 days).

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Average sea temperature in January
Clifden, Ireland

Average sea temperature in January - Clifden, Ireland
  • Average sea temperature in January: 9.9°C

The best month for swimming (with the highest average sea temperature) is August (15.3°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).

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

Average daylight in January / Average sunshine in January - Clifden, Ireland
  • 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: 2h

The month with the most sunshine is May (Average sunshine: 6h).
The month with the least sunshine is December (Average sunshine: 1h).

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Average UV index in January
Clifden, Ireland

Average UV index in January - Clifden, Ireland
  • Average UV index in January: 0

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 0).

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Clifden, Ireland

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