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
In Gwynedd, the month of January is known for its lowest average temperatures, reaching a high of 35.6°F (2°C) and a low of 23.5°F (-4.7°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Gwynedd, Pennsylvania, in January, it is raining for 6.3 days, with typically 0.63" (16mm) of accumulated precipitation. In Gwynedd, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In January, in Gwynedd, it is snowing for 4.6 days. Throughout January, 0.71" (18mm) of snow is accumulated. In Gwynedd, Pennsylvania, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.Daylight
In Gwynedd, Pennsylvania, the average length of the day in January is 9h and 42min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of January, in Gwynedd, sunrise is at 7:10 am and sunset at 5:17 pm EST.
Sunshine
In Gwynedd, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What part of the year is the coldest in Gwynedd?
How cold is it in Gwynedd in January?
What is the average humidity in January in Gwynedd?
How many days does it rain in January in Gwynedd?
How much does it snow in Gwynedd in January?
What is the average length of the day in January in Gwynedd?
What time are sunrise and sunset in January in Gwynedd?
How long on average sun shines in January in Gwynedd?
When is the lowest UV index in Gwynedd?
What is the UV index intensity in January in Gwynedd?
Average temperature in January
Gwynedd, PA
- Average high temperature in January: 35.6°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in January: 23.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in January
Gwynedd, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Gwynedd, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Gwynedd, PA
- Average humidity in January: 76%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in January
Gwynedd, PA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in January
Gwynedd, PA
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in January
Gwynedd, PA
- Average snowfall in January: 0.71"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Gwynedd, PA
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Gwynedd, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Gwynedd, PA
- Average sunshine days in January: 21.4 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in January
Gwynedd, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Gwynedd, PA
- Average cloud cover in January: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Gwynedd, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Gwynedd, Pennsylvania, USA
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