Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Temperature records mark January as the coldest month, with highs averaging 7°C (44.6°F) and lows at 2.3°C (36.1°F).Humidity
The average relative humidity in January is 90%.Rainfall
In January, the rain falls for 17.2 days. Throughout January, 27mm (1.06") of precipitation is accumulated. In Castleplunket, during the entire year, the rain falls for 191.7 days and collects up to 375mm (14.76") of precipitation.Snowfall
January through April, November and December are months with snowfall in Castleplunket. The months with the most snowfall in Castleplunket are January and February, with an average 12mm (0.47") of accumulated snow.Daylight
In January, the average length of the day in Castleplunket is 8h and 7min.On the first day of the month, sunrise is at 8:50 am and sunset at 4:22 pm. On the last day of January, in Castleplunket, Ireland, sunrise is at 8:21 am and sunset at 5:11 pm GMT.
Sunshine
January, February, October and December, with an average of 3.8h of sunshine, are months with the least 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in January transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Castleplunket?
How cold does it get in Castleplunket in January?
What is the average humidity in January in Castleplunket?
How much does it rain in Castleplunket in January?
What is the snowiest month in Castleplunket?
How many days does it snow in January in Castleplunket?
What is the average length of the day in January in Castleplunket?
What time are sunrise and sunset in January in Castleplunket?
What are the months with the least sunshine in Castleplunket?
How many hours of sunshine does Castleplunket have in January?
What are the months with the lowest UV index in Castleplunket?
What is the UV index intensity in January in Castleplunket?
Average temperature in January
Castleplunket, Ireland
- Average high temperature in January: 7°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in January: 2.3°C
The month with the highest average low temperature is July (10.5°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in January
Castleplunket, Ireland
- Average pressure in January: 1010.5mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in January
Castleplunket, Ireland
- Average wind speed in January: 19.3km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in January
Castleplunket, Ireland
- Average humidity in January: 90%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (85%).
Average rainfall in January
Castleplunket, Ireland
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in January
Castleplunket, Ireland
- Average rainfall days in January: 17.2 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (13.1 days).
Average snowfall in January
Castleplunket, Ireland
- Average snowfall in January: 12mm
The months with the highest snowfall are January and February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Castleplunket, Ireland
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (2.3 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
Castleplunket, Ireland
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 42min).
The months with the least sunshine are January, February, October and December (Average sunshine: 3h and 48min).
Average sunshine days in January
Castleplunket, Ireland
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in January
Castleplunket, Ireland
- Average UV index in January: 2
The month with the highest UV index is 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
Castleplunket, Ireland
- Average cloud cover in January: 63
The months with the most cloud cover are July and August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in January
Castleplunket, Ireland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).
Castleplunket, Ireland
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