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

March weather forecast and climate
Allentown, PA

An aerial view of the vast city of Allentown in Pennsylvania, on a hot, sunny day, with the partly cloudy sky and a far view of a clear horizon line
An aerial view of the vast city of Allentown in Pennsylvania, on a hot, sunny day, with the partly cloudy sky and a far view of a clear horizon line
Marzo, the first month of the spring, in Allentown, is a chilly month, with average temperature fluctuating between 28.8°F (-1.8°C) and 49.5°F (9.7°C).

Temperature

In Allentown, the average high-temperature increases, from a wintry 39.7°F (4.3°C) in Febrero, to a frosty 49.5°F (9.7°C). In Allentown, the average low-temperature is 28.8°F (-1.8°C).

Humidity

In Marzo, the average relative humidity is 62.6%.

Rainfall

In Allentown, Pennsylvania, in Marzo, during 11 rainfall days, 3.39" (86.1mm) of precipitation is typically accumulated. Throughout the year, in Allentown, there are 126.8 rainfall days, and 45.35" (1151.9mm) of precipitation is accumulated.

Snowfall

Months with snowfall are Enero through Abril, Noviembre and Diciembre. In Allentown, Pennsylvania, during Marzo, snow falls for 2.5 days and regularly aggregates up to 4.9" (124.5mm) of snow. In Allentown, during the entire year, snow falls for 17.4 days, and aggregates up to 32.9" (835.7mm) of snow.

Daylight

In Marzo, the average length of the day in Allentown is 12h.

Sunshine

In Allentown, the average sunshine is 6h.

UV index

In Marzo, the average daily maximum UV index in Allentown, Pennsylvania, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In Marzo, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in Marzo in Allentown?

In Marzo, the average high-temperature is 49.5°F (9.7°C), and the average low-temperature is 28.8°F (-1.8°C).

What is the average humidity in Marzo in Allentown?

In Marzo, the average relative humidity in Allentown is 62.6%.

How much does it rain in Allentown in Marzo?

In Allentown, Pennsylvania, in Marzo, it is raining for 11 days, with typically 3.39" (86.1mm) of accumulated precipitation.

How many days does it snow in Marzo in Allentown?

In Marzo, in Allentown, Pennsylvania, it is snowing for 2.5 days. Throughout Marzo, 4.9" (124.5mm) of snow is accumulated.

What is the average length of the day in Marzo in Allentown?

In Marzo, the average length of the day in Allentown is 12h.

How many hours of sunshine does Allentown have in Marzo?

In Allentown, the average sunshine in Marzo is 6h.

What is the UV index reading in Marzo in Allentown?

In Marzo, the average daily maximum UV index in Allentown is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in March - Allentown, PA
  • Average high temperature in March: 49.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in March: 28.8°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (19.5°F).

Average humidity in March - Allentown, PA
  • Average humidity in March: 62.6%

The month with the highest relative humidity is September (74%).
The month with the lowest relative humidity is April (60.9%).

Average rainfall in March - Allentown, PA
  • Average rainfall in March: 3.4"

The wettest month (with the highest rainfall) is July (5").
The driest month (with the lowest rainfall) is February (2.7").

Average rainfall days in March - Allentown, PA
  • Average rainfall days in March: 11 days

Months with the highest number of rainy days are April and May (12.1 days).
Months with the lowest number of rainy days are September and October (9.1 days).

Average snowfall in March - Allentown, PA
  • Average snowfall in March: 4.9"

The month with the highest snowfall is February (11.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in March - Allentown, PA
  • Average snowfall days in March: 2.5 days

The month with the highest number of snowfall days is January (5.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in March / Average sunshine in March - Allentown, PA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in March: 6h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in March - Allentown, PA
  • Average UV index in March: 4

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).