January weather forecast
Manheim, PA

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Weather in January

January, like December, in Manheim, Pennsylvania, is an icy winter month, with an average temperature ranging between max 35.4°F (1.9°C) and min 22.8°F (-5.1°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 35.4°F (1.9°C) and a low of 22.8°F (-5.1°C).

Humidity

The average relative humidity in January is 78%.

Rainfall

In January, the rain falls for 9 days. Throughout January, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 161.8 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 7.8 days. Throughout January, 3.27" (83mm) of snow is accumulated. 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 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.

Sunshine

In Manheim, the average sunshine in January is 4.7h.

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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Manheim's temperature records reveal January as the coldest month, marked by average highs of 35.4°F (1.9°C) and lows of 22.8°F (-5.1°C).

How cold is January?

January temperatures in Manheim vary between a high-temperature of 35.4°F (1.9°C) and a low-temperature of 22.8°F (-5.1°C).

What is the average humidity in January?

In January, the average relative humidity is 78%.

How much does it rain in January?

In Manheim, Pennsylvania, in January, it is raining for 9 days, with typically 2.2" (56mm) of accumulated precipitation.

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.

How many hours of daylight does Manheim have in January?

The average day length in January is 9h and 42min.

What time are sunrise and sunset in January in Manheim?

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?

In January, the average sunshine duration is 4.7h.

What are the months with 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 January, the average daily maximum UV index in Manheim is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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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