Lewistown, PA Weather & Climate Normals
What a normal year in Lewistown actually looks like
On the 30-year record NOAA keeps for Lewistown, PA, the comfort score comes out to 47/100, 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 Lewistown's weather actually swings
Average temperatures in Lewistown run from 29°F in Jan up to 74°F in Jul, a 45°F seasonal swing, a middling gap by national standards.
Lewistown, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 37°F | 21°F | 2.89in | 9.1in |
| Feb | 40°F | 22°F | 2.31in | 6.9in |
| Mar | 49°F | 29°F | 3.57in | 4.3in |
| Apr | 63°F | 39°F | 3.53in | 0.2in |
| May | 73°F | 49°F | 4.16in | 0in |
| Jun | 81°F | 58°F | 3.95in | 0in |
| Jul | 85°F | 63°F | 3.64in | 0in |
| Aug | 84°F | 61°F | 3.61in | 0in |
| Sep | 77°F | 54°F | 4.4in | 0in |
| Oct | 65°F | 43°F | 3.75in | 0.1in |
| Nov | 53°F | 33°F | 3.06in | 0.9in |
| Dec | 41°F | 26°F | 3.27in | 4.7in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Lewistown's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Lewistown actually gets
Over a typical year, Lewistown sees about 42.14in of precipitation a year across roughly 135 days with measurable rain or snow, with 26.2in of snow a year.
Lewistown against the rest of the country
Out of 4876 cities scored here, Lewistown comes in at 2786; within PA alone it ranks 88 of 193. Population is about 8,394.
Checking the actual forecast
These figures come from Lewistown, PA US, the NOAA station 0.8 miles from Lewistown, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is