January weather forecast
Dauphin, PA

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Weather in January

January, the same as December, is an icy winter month in Dauphin, Pennsylvania, with an average temperature varying between 34°F (1.1°C) and 21.6°F (-5.8°C).

Temperature

January is the coldest month, with the temperature often reaching an average high of 34°F (1.1°C) and an average low of 21.6°F (-5.8°C).

Humidity

In Dauphin, the average relative humidity in January is 77%.

Rainfall

The month with the least rainfall in Dauphin is January, when the rain falls for 8.8 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Dauphin, Pennsylvania, is January, when snow falls for 8.9 days and typically aggregates up to 4.57" (116mm) of snow.

Daylight

The average length of the day in January in Dauphin is 9h and 41min.
On the first day of January, sunrise is at 7:30 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:24 pm EST.

Sunshine

In January, the average sunshine in Dauphin is 4.4h.

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What time of the year is the coldest in Dauphin?

Dauphin's coldest weather arrives in January, when temperatures average a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).

How cold is January in Dauphin?

During January, Dauphin experiences an average high-temperature of 34°F (1.1°C) and a low-temperature of 21.6°F (-5.8°C).

What is the average humidity in January in Dauphin?

In January, the average relative humidity is 77%.

What is the driest month in Dauphin?

The month with the least rainfall is January, when the rain falls for 8.8 days and typically collects 2.13" (54mm) of precipitation.

How many days does it rain in January in Dauphin?

In January, the rain falls for 8.8 days. Throughout January, 2.13" (54mm) of precipitation is accumulated.

When does it snow the most in Dauphin?

January is the month with the most snowfall in Dauphin, Pennsylvania. Snow falls for 8.9 days and accumulates 4.57" (116mm) of snow.

How many days does it snow in January in Dauphin?

In Dauphin, in January, during 8.9 snowfall days, 4.57" (116mm) of snow is typically accumulated.

How many hours of daylight does Dauphin have in January?

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

When are sunrise and sunset in January in Dauphin?

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 4:51 pm. On the last day of the month, in Dauphin, sunrise is at 7:17 am and sunset at 5:24 pm EST.

How long on average sun shines in January in Dauphin?

The average sunshine duration in January in Dauphin, Pennsylvania, is 4.4h.

When is the lowest UV index in Dauphin?

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

How high is the UV index in January in Dauphin?

The average daily maximum UV index in January in Dauphin is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Dauphin, PA

Average temperature in January - Dauphin, PA
  • Average high temperature in January: 34°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Dauphin, PA

Average pressure in January - Dauphin, 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 (29.95"Hg).

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Average wind speed in January
Dauphin, PA

Average wind speed in January - Dauphin, PA
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in January
Dauphin, PA

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).

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Average rainfall in January
Dauphin, PA

Average rainfall in January - Dauphin, PA
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in January
Dauphin, PA

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

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (8.8 days).

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Average snowfall in January
Dauphin, PA

Average snowfall in January - Dauphin, PA
  • Average snowfall in January: 4.57"

The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Dauphin, PA

Average snowfall days in January - Dauphin, PA
  • Average snowfall days in January: 8.9 days

The month with the highest number of snowfall days is January (8.9 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
Dauphin, PA

Average daylight in January / Average sunshine in January - Dauphin, 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 18min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in January
Dauphin, PA

Average sunshine days in January - Dauphin, PA
  • Average sunshine days in January: 15.6 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in January
Dauphin, PA

Average UV index in January - Dauphin, 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
Dauphin, PA

Average cloud cover in January - Dauphin, PA
  • Average cloud cover in January: 51

The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Dauphin, PA

Average visibility in January - Dauphin, PA
  • Average visibility in January: 5mi

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

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Dauphin, Pennsylvania, USA

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