January weather forecast
Carlow, Ireland

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Weather in January

In Carlow, Ireland, the month of January is characterized by its cold and damp conditions. With the highest relative humidity on record at 91%, the moist, chilly air can often result in misty mornings and frosty evenings. The average high temperature slowly starts showing signs of increase, indicating an impending transition. Despite occasional snowfall, the city sees an average of 8.3 hours of daylight every day. Yet, the short days and preference of indoor warmth make it a calm month, painting a picture of tranquillity across the landscape of Carlow.

Temperature

January, with its average high-temperature of 7°C (44.6°F) and an average low-temperature of 1.8°C (35.2°F), holds the record as the coldest month.

Humidity

In Carlow, Ireland, the average relative humidity in January is 91%.

Rainfall

In Carlow, Ireland, during January, the rain falls for 12.9 days and regularly aggregates up to 19mm (0.75") of precipitation. In Carlow, during the entire year, the rain falls for 167.6 days and collects up to 283mm (11.14") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Carlow, Ireland. In January, it is snowing for 1.9 days. Throughout January, 10mm (0.39") of snow is accumulated. Throughout the year, in Carlow, Ireland, there are 7.4 snowfall days, and 38mm (1.5") of snow is accumulated.

Daylight

In January, the average length of the day in Carlow is 8h and 16min.
On the first day of January, sunrise is at 8:39 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:09 pm GMT.

Sunshine

In Carlow, the average sunshine in January is 3.9h.

UV index

The months with the lowest UV index in Carlow 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 radiation for ordinary individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What are the coldest months in Carlow?

The coldest temperatures in Carlow, Ireland, occur during January, when averages reach a peak of 7°C (44.6°F) and a low of 1.8°C (35.2°F).

Is January cold in Carlow?

The high-temperature, in January, in Carlow, is 7°C (44.6°F), while the low-temperature averages to 1.8°C (35.2°F).

What is the average humidity in January in Carlow?

In Carlow, the average relative humidity in January is 91%.

How many days does it rain in January in Carlow?

In Carlow, during January, the rain falls for 12.9 days and regularly aggregates up to 19mm (0.75") of precipitation.

How many days does it snow in January in Carlow?

In Carlow, Ireland, in January, during 1.9 snowfall days, 10mm (0.39") of snow is typically accumulated.

How many hours of daylight does Carlow have in January?

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

When are sunrise and sunset in January in Carlow?

In January, on the first day of the month, sunrise is at 8:39 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:09 pm GMT.

How long on average sun shines in January in Carlow?

In January, the average sunshine duration in Carlow is 3.9h.

When is the lowest UV index in Carlow?

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

What is the UV index intensity in January in Carlow?

In January, the average daily maximum UV index in Carlow is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Carlow, Ireland

Average temperature in January - Carlow, Ireland
  • Average high temperature in January: 7°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in January: 1.8°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average pressure in January
Carlow, Ireland

Average pressure in January - Carlow, Ireland
  • Average pressure in January: 1011.9mbar

The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).

Average wind speed in January
Carlow, Ireland

Average wind speed in January - Carlow, Ireland
  • Average wind speed in January: 18.8km/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 (12.7km/h).

Average humidity in January
Carlow, Ireland

Average humidity in January - Carlow, Ireland
  • Average humidity in January: 91%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).

Average rainfall in January
Carlow, Ireland

Average rainfall in January - Carlow, Ireland
  • Average rainfall in January: 19mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).

Average rainfall days in January
Carlow, Ireland

Average rainfall days in January - Carlow, Ireland
  • Average rainfall days in January: 12.9 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).

Average snowfall in January
Carlow, Ireland

Average snowfall in January - Carlow, Ireland
  • Average snowfall in January: 10mm

The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in January
Carlow, Ireland

Average snowfall days in January - Carlow, Ireland
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Carlow, 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: 3h and 5min

The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).

Average sunshine days in January
Carlow, Ireland

Average sunshine days in January - Carlow, Ireland
  • Average sunshine days in January: 13.3 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in January
Carlow, Ireland

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

The months with the highest UV index are June and August (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
Carlow, Ireland

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

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).

Average visibility in January
Carlow, Ireland

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

The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July, August and September (7km).

Carlow, Ireland

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