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
January, with an average high of 7.8°C (46°F) and a low of 3.1°C (37.6°F), signifies the coldest month of the year.Humidity
In January, the average relative humidity in Knockaderry, Ireland, is 89%.Rainfall
In Knockaderry, in January, it is raining for 16.9 days, with typically 41mm (1.61") of accumulated precipitation. In Knockaderry, Ireland, during the entire year, the rain falls for 204.6 days and collects up to 512mm (20.16") of precipitation.Snowfall
Months with snowfall are January through March and December. In Knockaderry, during January, snow falls for 0.8 days and regularly aggregates up to 18mm (0.71") of snow. Throughout the year, there are 3.2 snowfall days, and 57mm (2.24") of snow is accumulated.Daylight
In Knockaderry, Ireland, the average length of the day in January is 8h and 19min.On the first day of the month, sunrise is at 8:46 am and sunset at 4:32 pm. On the last day of January, sunrise is at 8:19 am and sunset at 5:19 pm GMT.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine in Knockaderry, Ireland.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What part of the year is the coldest in Knockaderry?
What is the usual temperature for Knockaderry in January?
What is the average humidity in January in Knockaderry?
How many days does it rain in January in Knockaderry?
How much does it snow in Knockaderry in January?
What is the average length of the day in January in Knockaderry?
What time are sunrise and sunset in January in Knockaderry?
What is the month with the least sunshine in Knockaderry?
How long on average sun shines in January in Knockaderry?
What is the month with the lowest UV index in Knockaderry?
How high is the UV index in January in Knockaderry?
Average temperature in January
Knockaderry, Ireland
- Average high temperature in January: 7.8°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in January: 3.1°C
The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).
Average pressure in January
Knockaderry, Ireland
- Average pressure in January: 1011.4mbar
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
Knockaderry, Ireland
- Average wind speed in January: 18.9km/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 (13.3km/h).
Average humidity in January
Knockaderry, Ireland
- Average humidity in January: 89%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in January
Knockaderry, Ireland
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in January
Knockaderry, Ireland
- Average rainfall days in January: 16.9 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in January
Knockaderry, Ireland
- Average snowfall in January: 18mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Knockaderry, Ireland
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Knockaderry, Ireland
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in January
Knockaderry, Ireland
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in January
Knockaderry, 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
Knockaderry, Ireland
- Average cloud cover in January: 62
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in January
Knockaderry, Ireland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
Knockaderry, Ireland
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