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
Donegal experiences its lowest temperatures in January, with an average peak of 32.4°F (0.2°C) and a low of 19.9°F (-6.7°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 86%.Rainfall
In Donegal, during January, the rain falls for 8.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Donegal, during the entire year, the rain falls for 179.1 days and collects up to 33.43" (849mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 7.99" (203mm) of snow.Daylight
The average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:39 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in Donegal in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Donegal have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Donegal, PA
- Average high temperature in January: 32.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Donegal, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Donegal, PA
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Donegal, PA
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in January
Donegal, PA
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Donegal, PA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Donegal, PA
- Average snowfall in January: 7.99"
The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Donegal, PA
- Average snowfall days in January: 16.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Donegal, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Donegal, PA
- Average sunshine days in January: 9.2 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in January
Donegal, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Donegal, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Donegal, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Donegal, Pennsylvania, USA
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