January weather forecast
Knockananna, Ireland

January

Weather in January

January, like December, is a frosty winter month in Knockananna, Ireland, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 7°C (44.6°F).

Temperature

In Knockananna, January records the lowest average temperatures, peaking at 7°C (44.6°F) and reaching a low of 1.8°C (35.2°F).

Humidity

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

Rainfall

In Knockananna, in January, it is raining for 12.9 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, there are 167.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.

Snowfall

Months with snowfall in Knockananna are January through March, November and December. In Knockananna, in January, snow falls for 1.9 days, with typically accumulated 10mm (0.39") of snow. Throughout the year, in Knockananna, there are 7.4 snowfall days, and 38mm (1.5") of snow is accumulated.

Daylight

In January, the average length of the day is 8h and 15min.
On the first day of the month, sunrise is at 8:38 am and sunset at 4:20 pm. On the last day of January, sunrise is at 8:10 am and sunset at 5:07 pm GMT.

Sunshine

The average sunshine in January in Knockananna, Ireland, is 3.9h.

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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What month is the coldest in Knockananna?
Knockananna, Ireland, reaches its average lowest temperatures in January, measuring 7°C (44.6°F) at the peak and 1.8°C (35.2°F) at the lowest.
How cold does it get in Knockananna in January?
The high-temperature, in January, in Knockananna, 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 Knockananna?
In Knockananna, the average relative humidity in January is 91%.
How many days does it rain in January in Knockananna?
In Knockananna, Ireland, in January, during 12.9 rainfall days, 19mm (0.75") of precipitation is typically accumulated.
How many days does it snow in January in Knockananna?
In January, in Knockananna, Ireland, it is snowing for 1.9 days. Throughout January, 10mm (0.39") of snow is accumulated.
What is the average length of the day in January in Knockananna?
In January, the average day length is 8h and 15min.
What time are sunrise and sunset in January in Knockananna?
On the first day of January in Knockananna, sunrise is at 8:38 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:07 pm GMT.
How many hours of sunshine does Knockananna have in January?
In Knockananna, Ireland, the average sunshine duration in January is 3.9h.
What are the months with the lowest UV index in Knockananna?
The months with the lowest UV index in Knockananna are January through March, November and December, with an average maximum UV index of 2.
What is the UV index reading in January in Knockananna?
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, Ireland
  • Average daylight in January: 8h and 1min

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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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).

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