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 sea temperature 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 is Donegal's coldest month, registering average high temperatures of 6.4°C (43.5°F) and lows of 2.9°C (37.2°F).Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
In Donegal, in January, it is raining for 21.5 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, in Donegal, Ireland, there are 249.6 rainfall days, and 779mm (30.67") of precipitation is accumulated.Snowfall
Months with snowfall in Donegal are January through March, November and December. The month with the most snowfall is January, when snow falls for 2.6 days and typically aggregates up to 41mm (1.61") of snow.Sea temperature
In Donegal, in January, the average water temperature is 9.9°C (49.8°F).Note: Swimming in 9.9°C (49.8°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Donegal, the average length of the day in January is 7h and 58min.On the first day of January in Donegal, sunrise is at 8:55 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 5:07 pm GMT.
Sunshine
The month with the least sunshine in Donegal is January, with an average of 3.1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Donegal, Ireland. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Donegal?
Is January cold in Donegal?
What is the most humid month in Donegal?
What is the average humidity in January in Donegal?
How much does it rain in Donegal in January?
When does it snow the most in Donegal?
How much does it snow in Donegal in January?
How cold is the water in January in Donegal?
What is the average length of the day in January in Donegal?
When are sunrise and sunset in January in Donegal?
What is the month with the least sunshine in Donegal?
How many hours of sunshine does Donegal have in January?
When is the lowest UV index in Donegal?
What is the UV index reading in January in Donegal?
Average temperature in January
Donegal, Ireland
- Average high temperature in January: 6.4°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in January: 2.9°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in January
Donegal, Ireland
- Average pressure in January: 1009mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).
Average wind speed in January
Donegal, Ireland
- Average wind speed in January: 22.1km/h
The windiest month (with the highest average wind speed) is January (22.1km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in January
Donegal, Ireland
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in January
Donegal, Ireland
- Average rainfall in January: 72mm
The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in January
Donegal, Ireland
- Average rainfall days in January: 21.5 days
The month with the highest number of rainy days is August (25.2 days).
The month with the least rainy days is April (17.8 days).
Average snowfall in January
Donegal, Ireland
- Average snowfall in January: 41mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Donegal, Ireland
- Average snowfall days in January: 2.6 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Donegal, Ireland
- Average sea temperature in January: 9.9°C
The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (9.2°C).
Average daylight in January /
Average sunshine in January
Donegal, Ireland
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Donegal, Ireland
- Average sunshine days in January: 6.8 days
The month with the most sunshine days is April (9.5 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in January
Donegal, 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
Donegal, Ireland
- Average cloud cover in January: 70
The months with the most cloud cover are January and August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in January
Donegal, Ireland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
Donegal, Ireland
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