Average Sunshine in Pennsylvania for March

Number of Sunny Days

In the table below, the average number of Sunny Days for a city in Pennsylvania is the total days this month when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.

Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime.

Total Days With Sun is a sum of the Sunny plus Partly Sunny days. The rest of the days are mainly overcast, with at least 80% cloud cover. All the numbers are annual averages, made from years of weather watching.

Days of sunshine in March
City Sunny Partly Sunny Total Days
With Sun
Allentown 8 8 16
Erie 5 7 12
Harrisburg 7 8 15
Philadelphia 8 8 16
Pittsburgh 4 7 11
Wilkes-Barre & Scranton 5 8 13
Williamsport 6 8 14

Amount of Sun

Here's another way to look at how much sunshine a city gets. The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are monthly averages based on many years of weather observations.

Percent sunshine for March
City % Sun
Allentown 53
Harrisburg 58
Philadelphia 55
Pittsburgh 43
Wilkes-Barre & Scranton 50

National Climatic Data Center. Comparative Climatic Data.

Pennsylvania Sunshine
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