January weather forecast
Rosenallis, Ireland

January

Weather in January

January, the same as December, in Rosenallis, Ireland, is another chilly winter month, with an average temperature varying between 1.7°C (35.1°F) and 6.9°C (44.4°F).

Temperature

The coldest period, with an average high-temperature of 6.9°C (44.4°F), falls in January and December.

Humidity

The average relative humidity in January in Rosenallis, Ireland, is 91%.

Rainfall

In Rosenallis, in January, it is raining for 13 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, there are 151.1 rainfall days, and 248mm (9.76") of precipitation is accumulated.

Snowfall

Months with snowfall in Rosenallis are January through April, November and December. In Rosenallis, in January, snow falls for 2.6 days, with typically accumulated 13mm (0.51") of snow. In Rosenallis, during the entire year, snow falls for 8.4 days and aggregates up to 55mm (2.17") of snow.

Daylight

In Rosenallis, the average length of the day in January is 8h and 13min.
On the first day of January, sunrise is at 8:43 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 5:10 pm GMT.

Sunshine

The average sunshine in January is 3.8h.

UV index

The months with the lowest UV index in Rosenallis 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 low threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the coldest time of year in Rosenallis?
Lowest temperatures in Rosenallis are observed in January and December, averaging a high-temperature of 6.9°C (44.4°F).
How cold is January in Rosenallis?
The high-temperature, in January, in Rosenallis, records 6.9°C (44.4°F), while the low-temperature is 1.7°C (35.1°F).
What is the average humidity in January in Rosenallis?
In January, the average relative humidity in Rosenallis is 91%.
How much does it rain in Rosenallis in January?
In Rosenallis, during January, the rain falls for 13 days and regularly aggregates up to 17mm (0.67") of precipitation.
How much does it snow in Rosenallis in January?
In Rosenallis, during January, snow falls for 2.6 days and regularly aggregates up to 13mm (0.51") of snow.
What is the average length of the day in January in Rosenallis?
In Rosenallis, Ireland, the average day length in January is 8h and 13min.
When is the sunrise / sunset in January in Rosenallis?
On the first day of January in Rosenallis, Ireland, sunrise is at 8:43 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 5:10 pm GMT.
How many hours of sunshine does Rosenallis have in January?
The average sunshine duration in January in Rosenallis, Ireland, is 3.8h.
What are the months with the lowest UV index in Rosenallis?
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 reading in January in Rosenallis?
In January, the average daily maximum UV index in Rosenallis is 2. A UV Index estimate 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 - Rosenallis, Ireland
Average temperature in January
Rosenallis, Ireland
  • Average high temperature in January: 6.9°C

The warmest month (with the highest average high temperature) is July (17.7°C).
The months with the lowest average high temperature are January and December (6.9°C).

  • Average low temperature in January: 1.7°C

The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in January - Rosenallis, Ireland
Average pressure in January
Rosenallis, Ireland
  • Average pressure in January: 1011.5mbar

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 - Rosenallis, Ireland
Average wind speed in January
Rosenallis, Ireland
  • Average wind speed in January: 18.8km/h

The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in January - Rosenallis, Ireland
Average humidity in January
Rosenallis, 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 - Rosenallis, Ireland
Average rainfall in January
Rosenallis, Ireland
  • Average rainfall in January: 17mm

The wettest month (with the highest rainfall) is November (34mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in January - Rosenallis, Ireland
Average rainfall days in January
Rosenallis, Ireland
  • Average rainfall days in January: 13 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in January - Rosenallis, Ireland
Average snowfall in January
Rosenallis, Ireland
  • Average snowfall in January: 13mm

The month with the highest snowfall is November (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January - Rosenallis, Ireland
Average snowfall days in January
Rosenallis, Ireland
  • Average snowfall days in January: 2.6 days

The month with the highest number of snowfall days is January (2.6 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 - Rosenallis, Ireland
Average daylight in January /
Average sunshine in January
Rosenallis, 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: 3h and 5min

The month with the most sunshine is April (Average sunshine: 5h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in January - Rosenallis, Ireland
Average sunshine days in January
Rosenallis, Ireland
  • Average sunshine days in January: 13.1 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January - Rosenallis, Ireland
Average UV index in January
Rosenallis, 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 - Rosenallis, Ireland
Average cloud cover in January
Rosenallis, Ireland
  • Average cloud cover in January: 63

The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 60).

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

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

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