Sunbury, PA Weather & Climate Normals
What a normal year in Sunbury actually looks like
On the 30-year record NOAA keeps for Sunbury, PA, the comfort score comes out to 46/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Sunbury's weather actually swings
Average temperatures in Sunbury run from 27°F in Jan up to 72°F in Jul, a 45.3°F seasonal swing, one of the widest gaps in this dataset.
Sunbury, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 35°F | 19°F | 2.98in | 7.6in |
| Feb | 39°F | 21°F | 2.3in | 8.6in |
| Mar | 48°F | 27°F | 3.33in | 5.2in |
| Apr | 61°F | 37°F | 3.74in | 0.6in |
| May | 72°F | 47°F | 3.77in | 0in |
| Jun | 80°F | 57°F | 4.38in | 0in |
| Jul | 84°F | 60°F | 4.32in | 0in |
| Aug | 82°F | 59°F | 3.93in | 0in |
| Sep | 75°F | 51°F | 4.52in | 0in |
| Oct | 64°F | 40°F | 3.92in | 0.2in |
| Nov | 51°F | 32°F | 3.16in | 1.5in |
| Dec | 40°F | 25°F | 3.34in | 4.9in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Sunbury's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Sunbury actually gets
Over a typical year, Sunbury sees about 43.69in of precipitation a year across roughly 127 days with measurable rain or snow, with 28.6in of snow a year.
Sunbury against the rest of the country
Out of 4876 cities scored here, Sunbury comes in at 3109; within PA alone it ranks 105 of 193. Population is about 9,549.
Checking the actual forecast
These figures come from Sunbury, PA US, the NOAA station 0.6 miles from Sunbury, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated