January weather forecast
Rydal, PA

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Weather in January

January, the same as December, is an icy winter month in Rydal, Pennsylvania, with an average temperature ranging between max 36.7°F (2.6°C) and min 24.6°F (-4.1°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 36.7°F (2.6°C) and a low of 24.6°F (-4.1°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Rydal, in January, it is raining for 6.6 days, with typically 0.83" (21mm) of accumulated precipitation. In Rydal, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 5.1 days. Throughout January, 1.18" (30mm) of snow is accumulated. In Rydal, during the entire year, snow falls for 16.3 days and aggregates up to 4.72" (120mm) of snow.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in January is 5h.

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 hazard from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the coldest months?

January stands out as Rydal's coldest month, with an average high-temperature of 36.7°F (2.6°C) and a low-temperature of 24.6°F (-4.1°C).

How cold is it in Rydal in January?

The high-temperature during January is 36.7°F (2.6°C) and the low-temperature is 24.6°F (-4.1°C).

What is the average humidity in January?

In Rydal, the average relative humidity in January is 75%.

How much does it rain in January?

In Rydal, during January, the rain falls for 6.6 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in January?

In Rydal, during January, snow falls for 5.1 days and regularly aggregates up to 1.18" (30mm) of snow.

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?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm EST.

How long on average sun shines in January?

In Rydal, the average sunshine duration in January is 5h.

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 Rydal, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Rydal, PA

Average temperature in January - Rydal, PA
  • Average high temperature in January: 36.7°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in January: 24.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in January
Rydal, PA

Average pressure in January - Rydal, PA
  • Average pressure in January: 30.08"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
Rydal, PA

Average wind speed in January - Rydal, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in January
Rydal, PA

Average humidity in January - Rydal, PA
  • Average humidity in January: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in January
Rydal, PA

Average rainfall in January - Rydal, PA
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in January
Rydal, PA

Average rainfall days in January - Rydal, PA
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in January
Rydal, PA

Average snowfall in January - Rydal, PA
  • Average snowfall in January: 1.18"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Rydal, PA

Average snowfall days in January - Rydal, PA
  • Average snowfall days in January: 5.1 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Rydal, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Rydal, PA

Average sunshine days in January - Rydal, PA
  • Average sunshine days in January: 21.1 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in January
Rydal, PA

Average UV index in January - Rydal, 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
Rydal, PA

Average cloud cover in January - Rydal, PA
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Rydal, PA

Average visibility in January - Rydal, 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).

Rydal, Pennsylvania, USA

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