January weather forecastDerrybrien, Ireland
January
Weather in January
January, like December, is a frosty winter month in Derrybrien, Ireland, with an average temperature fluctuating between 7.8°C (46°F) and 3.4°C (38.1°F).Temperature
January, with average temperatures reaching a high of 7.8°C (46°F) and a low of 3.4°C (38.1°F), is the coldest month.Humidity
In Derrybrien, the average relative humidity in January is 88%.Rainfall
In January, in Derrybrien, Ireland, the rain falls for 14.9 days. Throughout January, 26mm (1.02") of precipitation is accumulated. In Derrybrien, during the entire year, the rain falls for 184.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall in Derrybrien is January, when snow falls for 0.6 days and typically aggregates up to 10mm (0.39") of snow.Daylight
The average length of the day in January is 8h and 13min.On the first day of the month, sunrise is at 8:48 am and sunset at 4:27 pm. On the last day of January, in Derrybrien, sunrise is at 8:20 am and sunset at 5:15 pm GMT.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Derrybrien 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 health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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
Average temperature in January
Derrybrien, Ireland
- Average high temperature in January: 7.8°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 (7.8°C).
- Average low temperature in January: 3.4°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in January
Derrybrien, Ireland
- Average pressure in January: 1011.2mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in January
Derrybrien, Ireland
- Average wind speed in January: 20.2km/h
The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in January
Derrybrien, Ireland
- Average humidity in January: 88%
The months with the highest relative humidity are November and December (89%).
The month with the lowest relative humidity is April (84%).
Average rainfall in January
Derrybrien, Ireland
- Average rainfall in January: 26mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in January
Derrybrien, Ireland
- Average rainfall days in January: 14.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in January
Derrybrien, Ireland
- Average snowfall in January: 10mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Derrybrien, Ireland
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (1.2 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
Derrybrien, Ireland
- Average daylight in January: 8h and 12min
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 42min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Derrybrien, Ireland
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is December (13.9 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in January
Derrybrien, 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
Derrybrien, Ireland
- Average cloud cover in January: 63
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
Derrybrien, Ireland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).





