January weather forecast
Merlin, PA

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Weather in January

January, the same as December, is another cold winter month in Merlin, Pennsylvania, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23.9°F (-4.5°C).

Temperature

Merlin experiences its lowest average temperatures in January, reaching a peak of 36°F (2.2°C) and a minimum of 23.9°F (-4.5°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In January, in Merlin, the rain falls for 6.9 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. In Merlin, during the entire year, the rain falls for 132.3 days and collects up to 13.98" (355mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

Daylight

In Merlin, the average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:19 pm EST.

Sunshine

The average sunshine in January is 4.8h.

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 hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the coldest time of year?

January is the coldest month, exhibiting average temperatures of 36°F (2.2°C) at the peak and 23.9°F (-4.5°C) at the base.

How cold is January?

January temperatures vary between a high-temperature of 36°F (2.2°C) and a low-temperature of 23.9°F (-4.5°C).

What is the average humidity in January in Merlin?

In January, the average relative humidity is 76%.

How much does it rain in January?

In Merlin, in January, during 6.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the snowiest month?

The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.

How many days does it snow in January?

In January, it is snowing for 4.8 days. Throughout January, 0.59" (15mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 43min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:19 pm EST.

How many hours of sunshine does Merlin have in January?

In Merlin, Pennsylvania, the average sunshine duration in January is 4.8h.

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 intensity in January?

In Merlin, the average daily maximum UV index in January is 2. A UV Index reading 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Merlin, PA

Average temperature in January - Merlin, PA
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in January
Merlin, PA

Average pressure in January - Merlin, 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).

Average wind speed in January
Merlin, PA

Average wind speed in January - Merlin, PA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Merlin, PA

Average humidity in January - Merlin, PA
  • Average humidity in January: 76%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in January
Merlin, PA

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

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in January
Merlin, PA

Average rainfall days in January - Merlin, PA
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in January
Merlin, PA

Average snowfall in January - Merlin, PA
  • Average snowfall in January: 0.59"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Merlin, PA

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

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Merlin, 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 5min

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).

Average sunshine days in January
Merlin, PA

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

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in January
Merlin, PA

Average UV index in January - Merlin, 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).

Average cloud cover in January
Merlin, PA

Average cloud cover in January - Merlin, PA
  • Average cloud cover in January: 46

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Merlin, PA

Average visibility in January - Merlin, 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).

Merlin, Pennsylvania, USA

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