January weather forecast
Southampton, PA

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Weather in January

January, like December, in Southampton, Pennsylvania, is another cold winter month, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 36.9°F (2.7°C).

Temperature

January, marked by an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 24.3°F (-4.3°C), is the coldest month.

Humidity

In Southampton, the average relative humidity in January is 75%.

Rainfall

In Southampton, during January, the rain falls for 8.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 156 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Southampton, Pennsylvania, in January, during 7.3 snowfall days, 2.4" (61mm) of snow is typically accumulated. Throughout the year, in Southampton, Pennsylvania, there are 24 snowfall days, and 12.13" (308mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 42min.
On the first day of January in Southampton, sunrise is at 7:22 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in January is 5h.

UV index

The months with the lowest UV index in Southampton are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in January translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What are the coldest months in Southampton?

January tends to be the coldest month in Southampton, with temperatures averaging a daily high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C).

How cold is January in Southampton?

January temperatures in Southampton vary between a high-temperature of 36.9°F (2.7°C) and a low-temperature of 24.3°F (-4.3°C).

What is the average humidity in January in Southampton?

In Southampton, the average relative humidity in January is 75%.

How much does it rain in Southampton in January?

In Southampton, Pennsylvania, in January, during 8.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How many days does it snow in January in Southampton?

In Southampton, Pennsylvania, in January, snow falls for 7.3 days, with typically accumulated 2.4" (61mm) of snow.

How many hours of daylight does Southampton have in January?

In January, the average day length in Southampton is 9h and 42min.

When is the sunrise / sunset in January in Southampton?

On the first day of January, sunrise is at 7:22 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Southampton?

The average sunshine duration in January in Southampton, Pennsylvania, is 5h.

When is the lowest UV index in Southampton?

The months with the lowest UV index in Southampton are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Southampton?

In January, the average daily maximum UV index in Southampton is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Southampton, PA

Average temperature in January - Southampton, PA
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in January
Southampton, PA

Average pressure in January - Southampton, 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 (29.93"Hg).

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Average wind speed in January
Southampton, PA

Average wind speed in January - Southampton, PA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in January
Southampton, PA

Average humidity in January - Southampton, PA
  • Average humidity in January: 75%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in January
Southampton, PA

Average rainfall in January - Southampton, PA
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in January
Southampton, PA

Average rainfall days in January - Southampton, PA
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in January
Southampton, PA

Average snowfall in January - Southampton, PA
  • Average snowfall in January: 2.4"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Southampton, PA

Average snowfall days in January - Southampton, PA
  • Average snowfall days in January: 7.3 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Southampton, PA

Average daylight in January / Average sunshine in January - Southampton, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in January
Southampton, PA

Average sunshine days in January - Southampton, PA
  • Average sunshine days in January: 17.7 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in January
Southampton, PA

Average UV index in January - Southampton, 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).

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Average cloud cover in January
Southampton, PA

Average cloud cover in January - Southampton, PA
  • Average cloud cover in January: 45

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Southampton, PA

Average visibility in January - Southampton, 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).

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Southampton, Pennsylvania, USA

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