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
January
Weather in January
Temperature
January, having an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 1.9°C (35.4°F), is the coldest month.Humidity
The average relative humidity in January is 91%.Rainfall
In Roosky, in January, during 13.6 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Roosky, during the entire year, the rain falls for 164.1 days and collects up to 284mm (11.18") of precipitation.Snowfall
January through April, November and December are months with snowfall in Roosky. The months with the most snowfall are January and November, with an average 10mm (0.39") of accumulated snow.Daylight
In January, the average length of the day in Roosky, Ireland, is 8h and 6min.On the first day of January in Roosky, Ireland, sunrise is at 8:49 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 5:09 pm GMT.
Sunshine
The average sunshine in January in Roosky is 3.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roosky, Ireland. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Roosky?
How cold is it in Roosky in January?
What is the average humidity in January in Roosky?
How much does it rain in Roosky in January?
What is the snowiest month in Roosky?
How much does it snow in Roosky in January?
What is the average length of the day in January in Roosky?
When are sunrise and sunset in January in Roosky?
How many hours of sunshine does Roosky have in January?
When is the lowest UV index in Roosky?
How high is the UV index in January in Roosky?
Average temperature in January
Roosky, Ireland
- Average high temperature in January: 6.8°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 (6.8°C).
- Average low temperature in January: 1.9°C
The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in January
Roosky, Ireland
- Average pressure in January: 1010.5mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in January
Roosky, Ireland
- Average wind speed in January: 18.8km/h
The windiest month (with the highest average wind speed) is January (18.8km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in January
Roosky, Ireland
- Average humidity in January: 91%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall in January
Roosky, Ireland
- Average rainfall in January: 18mm
The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in January
Roosky, Ireland
- Average rainfall days in January: 13.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in January
Roosky, Ireland
- Average snowfall in January: 10mm
The months with the highest snowfall are January and November (10mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Roosky, Ireland
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is January (2.8 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
Roosky, 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 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Roosky, Ireland
- Average sunshine days in January: 12 days
The month with the most sunshine days is March (13.9 days).
The month with the least sunshine days is August (7.9 days).
Average UV index in January
Roosky, 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
Roosky, Ireland
- Average cloud cover in January: 64
The months with the most cloud cover are July and August (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in January
Roosky, 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 and August (7km).
