Erie
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Erie, PA

The somber town of Erie, Pennsylvania, from above on a cool and sunny day, with a clear view of the dark and calm water of Lake Erie in the back
The somber town of Erie, Pennsylvania, from above on a cool and sunny day, with a clear view of the dark and calm water of Lake Erie in the back
January, like December, in Erie, Pennsylvania, is a wintry winter month, with average temperature fluctuating between 20.8°F (-6.2°C) and 33.6°F (0.9°C).

Temperature

The coldest month is January, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 20.8°F (-6.2°C).

Humidity

The average relative humidity in January is 74.5%.

Rainfall

In Erie, in January, during 19.6 rainfall days, 2.9" (74.9mm) of precipitation is typically accumulated. Throughout the year, there are 166.4 rainfall days, and 42.2" (1070.8mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Erie. The month with the most snowfall is January when snow falls for 16.5 days and typically aggregates up to 29.6" (751.8mm) of snow.

Ocean temperature

In January, the average ocean temperature is 34.9°F (1.6°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In Erie, the average length of the day in January is 9.5h.

Sunshine

The average sunshine in Erie, Pennsylvania, is 3h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Erie?

With an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 20.8°F (-6.2°C), January is the coldest month.

What is the temperature in January in Erie?

The average high-temperature, in January, in Erie, is 33.6°F (0.9°C), while the average low-temperature is 20.8°F (-6.2°C).

What is the average humidity in January in Erie?

In Erie, the average relative humidity in January is 74.5%.

How much does it rain in Erie in January?

In Erie, in January, it is raining for 19.6 days, with typically 2.9" (74.9mm) of accumulated precipitation.

How much does it snow in Erie in January?

In January, in Erie, Pennsylvania, it is snowing for 16.5 days. Throughout January, 29.6" (751.8mm) of snow is accumulated.

What is the snowiest month in Erie?

January is the month with the most snowfall. Snow falls for 16.5 days and accumulates 29.6" (751.8mm) of snow.

What is the ocean temperature in January in Erie?

In Erie, the average seawater temperature in January is 34.9°F (1.6°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Erie have in January?

In January, the average length of the day is 9.5h.

How long on average sun shines in January in Erie?

In Erie, the average sunshine in January is 3h.

When is the lowest UV index in Erie?

Months with the lowest UV index in Erie are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Erie?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in January - Erie, PA
  • Average high temperature in January: 33.7°F

The warmest month (with the highest average high temperature) is July (79.8°F).
The month with the lowest average high temperature is January (33.7°F).

  • Average low temperature in January: 20.8°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average humidity in January - Erie, PA
  • Average humidity in January: 74.5%

The month with the highest relative humidity is February (75.4%).
The month with the lowest relative humidity is April (67.9%).

Average rainfall in January - Erie, PA
  • Average rainfall in January: 3"

The wettest month (with the highest rainfall) is September (4.6").
The driest month (with the lowest rainfall) is February (2.4").

Average rainfall days in January - Erie, PA
  • Average rainfall days in January: 19.6 days

The month with the highest number of rainy days is January (19.6 days).
The month with the lowest number of rainy days is July (10.2 days).

Average snowfall in January - Erie, PA
  • Average snowfall in January: 29.6"

The month with the highest snowfall is January (29.6").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in January - Erie, PA
  • Average snowfall days in January: 16.5 days

The month with the highest number of snowfall days is January (16.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in January - Erie, PA
  • Average sea temperature in January: 34.9°F

The best month for swimming (with the highest average sea temperature) is August (75.1°F).
The coldest month (with the lowest average sea temperature) is February (32.5°F).

Average daylight in January / Average sunshine in January - Erie, PA
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 3h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in January - Erie, PA
  • Average UV index in January: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).