January weather forecast
Manheim, PA

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Weather in January

January, the same as December, is a wintry winter month in Manheim, Pennsylvania, with an average temperature varying between 35.4°F (1.9°C) and 22.8°F (-5.1°C).

Temperature

January, with its average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 22.8°F (-5.1°C), holds the record as the coldest month.

Humidity

The average relative humidity in January is 78%.

Rainfall

In Manheim, in January, it is raining for 9 days, with typically 2.2" (56mm) of accumulated precipitation. In Manheim, Pennsylvania, during the entire year, the rain falls for 161.8 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Manheim, Pennsylvania, during January, snow falls for 7.8 days and regularly aggregates up to 3.27" (83mm) of snow. In Manheim, during the entire year, snow falls for 24.1 days and aggregates up to 11.93" (303mm) of snow.

Daylight

In Manheim, the average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:22 pm EST.

Sunshine

In Manheim, 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 health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the coldest time of year?

The coldest time of the year is January, with temperatures averaging a high of 35.4°F (1.9°C) and a low of 22.8°F (-5.1°C).

How cold is it in January?

An average high-temperature, in January, in Manheim, is 35.4°F (1.9°C) and the average low-temperature is 22.8°F (-5.1°C).

What is the average humidity in January?

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

How much does it rain in January?

In Manheim, in January, during 9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in January?

In Manheim, in January, snow falls for 7.8 days, with typically accumulated 3.27" (83mm) of snow.

What is the average length of the day in January in Manheim?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:22 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 4.7h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Manheim, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Manheim, PA

Average temperature in January - Manheim, PA
  • Average high temperature in January: 35.4°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in January
Manheim, PA

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

Average wind speed in January
Manheim, PA

Average wind speed in January - Manheim, PA
  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Manheim, PA

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

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Manheim, PA

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

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (2.09").

Average rainfall days in January
Manheim, PA

Average rainfall days in January - Manheim, PA
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).

Average snowfall in January
Manheim, PA

Average snowfall in January - Manheim, PA
  • Average snowfall in January: 3.27"

The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Manheim, PA

Average snowfall days in January - Manheim, PA
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Manheim, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Manheim, PA

Average sunshine days in January - Manheim, PA
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (17.8 days).
The months with the least sunshine days are May and July (11.6 days).

Average UV index in January
Manheim, PA

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

The months with the highest UV index are 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
Manheim, PA

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

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Manheim, PA

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

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

Manheim, Pennsylvania, USA

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