January weather forecast
Sumneytown, PA

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Weather in January

January, like December, in Sumneytown, Pennsylvania, is another cold winter month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 35.2°F (1.8°C).

Temperature

Sumneytown's January weather reaches an average high of 35.2°F (1.8°C) and an average low of 22.8°F (-5.1°C), making it the coldest month.

Humidity

In January, the average relative humidity is 77%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

Months with snowfall in Sumneytown are January through May, November and December. In Sumneytown, in January, snow falls for 4.8 days, with typically accumulated 1.06" (27mm) of snow. Throughout the year, in Sumneytown, there are 17 snowfall days, and 5.43" (138mm) of snow is accumulated.

Daylight

In Sumneytown, the average length of the day in January is 9h and 41min.
On the first day of January in Sumneytown, sunrise is at 7:24 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in January is 4.7h.

UV index

January through March, November and 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 low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the coldest month in Sumneytown?

January is the month when Sumneytown, Pennsylvania, sees the average lowest temperatures, with a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).

How cold is January in Sumneytown?

An average high-temperature, in January, in Sumneytown, is 35.2°F (1.8°C) and the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in January in Sumneytown?

In January, the average relative humidity is 77%.

What is the driest month in Sumneytown?

January is the month with the least rainfall in Sumneytown, Pennsylvania. Rain falls for 5.7 days and accumulates 0.87" (22mm) of precipitation.

How much does it rain in Sumneytown in January?

In Sumneytown, Pennsylvania, during January, the rain falls for 5.7 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How much does it snow in Sumneytown in January?

In Sumneytown, in January, during 4.8 snowfall days, 1.06" (27mm) of snow is typically accumulated.

How many hours of daylight does Sumneytown have in January?

In January, the average day length in Sumneytown, Pennsylvania, is 9h and 41min.

When is the sunrise / sunset in January in Sumneytown?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:45 pm. On the last day of the month, in Sumneytown, sunrise is at 7:11 am and sunset at 5:18 pm EST.

How long on average sun shines in January in Sumneytown?

The average sunshine duration in January in Sumneytown, Pennsylvania, is 4.7h.

When is the lowest UV index in Sumneytown?

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

What is the UV index intensity in January in Sumneytown?

The average daily maximum UV index in January in Sumneytown, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Sumneytown, PA

Average temperature in January - Sumneytown, PA
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in January
Sumneytown, PA

Average pressure in January - Sumneytown, PA
  • Average pressure in January: 30.09"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).

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Average wind speed in January
Sumneytown, PA

Average wind speed in January - Sumneytown, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Sumneytown, PA

Average humidity in January - Sumneytown, PA
  • Average humidity in January: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in January
Sumneytown, PA

Average rainfall in January - Sumneytown, PA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in January
Sumneytown, PA

Average rainfall days in January - Sumneytown, PA
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in January
Sumneytown, PA

Average snowfall in January - Sumneytown, PA
  • Average snowfall in January: 1.06"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Sumneytown, PA

Average snowfall days in January - Sumneytown, PA
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.3 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
Sumneytown, PA

Average daylight in January / Average sunshine in January - Sumneytown, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Sumneytown, PA

Average sunshine days in January - Sumneytown, PA
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in January
Sumneytown, PA

Average UV index in January - Sumneytown, 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
Sumneytown, PA

Average cloud cover in January - Sumneytown, PA
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Sumneytown, PA

Average visibility in January - Sumneytown, 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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Sumneytown, Pennsylvania, USA

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