January weather forecast
Hershey, PA

Weather in January

January, the same as December, is another cold winter month in Hershey, Pennsylvania, with an average temperature fluctuating between 21.9°F (-5.6°C) and 34.2°F (1.2°C).

Temperature

January is the coldest month, with an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 21.9°F (-5.6°C).

Humidity

The average relative humidity in January in Hershey is 78%.

Rainfall

In Hershey, it is raining for 8.5 days, with typically 2.24" (57mm) of accumulated precipitation. In Hershey, during the entire year, the rain falls for 162.3 days and collects up to 30.71" (780mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Hershey, Pennsylvania. Snow falls for 9 days and accumulates 3.94" (100mm) of snow.

Daylight

The average length of the day in January in Hershey, Pennsylvania, is 9h and 41min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:51 pm. On the last day of January, in Hershey, sunrise is at 7:16 am and sunset at 5:23 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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Hershey?

The coldest month is January, with an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 21.9°F (-5.6°C).

What is the temperature in January in Hershey?

In January, in Hershey, Pennsylvania, the average high-temperature is 34.2°F (1.2°C), and the average low-temperature is 21.9°F (-5.6°C).

What is the average humidity in January in Hershey?

In January, the average relative humidity in Hershey, Pennsylvania, is 78%.

How much does it rain in Hershey in January?

In January, the rain falls for 8.5 days. Throughout January, 2.24" (57mm) of precipitation is accumulated.

When does it snow the most in Hershey?

The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 3.94" (100mm) of snow.

How much does it snow in Hershey in January?

In Hershey, in January, snow falls for 9 days, with typically accumulated 3.94" (100mm) of snow.

How many hours of daylight does Hershey have in January?

The average day length in January is 9h and 41min.

When are sunrise and sunset in January in Hershey?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:23 pm EST.

How many hours of sunshine does Hershey have in January?

In January, the average sunshine duration in Hershey is 4.7h.

When is the lowest UV index in Hershey?

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

What is the UV index reading in January in Hershey?

The average daily maximum UV index in January in Hershey, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Hershey, PA

Average temperature in January - Hershey, PA
  • Average high temperature in January: 34.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in January
Hershey, PA

Average pressure in January - Hershey, PA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Hershey, PA

Average wind speed in January - Hershey, PA
  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in January
Hershey, PA

Average humidity in January - Hershey, PA
  • Average humidity in January: 78%

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

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Average rainfall in January
Hershey, PA

Average rainfall in January - Hershey, PA
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in January
Hershey, PA

Average rainfall days in January - Hershey, PA
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in January
Hershey, PA

Average snowfall in January - Hershey, PA
  • Average snowfall in January: 3.94"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Hershey, PA

Average snowfall days in January - Hershey, PA
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is January (9 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
Hershey, PA

Average daylight in January / Average sunshine in January - Hershey, PA
  • Average daylight in January: 9h and 41min

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 22min).

  • Average sunshine in January: 4h and 42min

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 30min).

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Average sunshine days in January
Hershey, PA

Average sunshine days in January - Hershey, PA
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

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Average UV index in January
Hershey, PA

Average UV index in January - Hershey, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (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
Hershey, PA

Average cloud cover in January - Hershey, PA
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in January
Hershey, PA

Average visibility in January - Hershey, PA
  • Average visibility in January: 6mi

The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).

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