Climate Jamestown - Pennsylvania
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 32 | 35 | 45 | 58 | 68 | 76 |
| Average low in ºF Av. low Lo | 16 | 17 | 24 | 35 | 44 | 54 |
| Av. precipitation in inch Av. precip. Pre. | 2.69 | 2.29 | 2.84 | 3.61 | 4.00 | 4.29 |
| Av. snowfall in inch Snowfall Sn | 17 | 12 | 10 | 3 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 80 | 79 | 72 | 60 | 49 | 36 |
| Average low in ºF Av. low Lo | 58 | 57 | 50 | 39 | 32 | 22 |
| Av. precipitation in inch Av. precip. Pre. | 4.51 | 3.77 | 4.23 | 3.37 | 3.63 | 3.25 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 5 | 15 |
What is the average weather in Jamestown, Pennsylvania?
Jamestown experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and fairly wet, with the most precipitation arriving during this season. Winters are cold and very snowy, often bringing significant snowfall, especially due to lake-effect influences. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.
Jamestown Climate Graph - Pennsylvania Climate Chart
Daily normals Jamestown - Pennsylvania - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 34.9 | 19.3 | 0.11 | 0.11 | 0.60 | 0.60 |
| 2 Jan | 34.7 | 19.1 | 0.22 | 0.22 | 1.10 | 1.10 |
| 3 Jan | 34.6 | 18.8 | 0.33 | 0.33 | 1.70 | 1.70 |
| 4 Jan | 34.5 | 18.6 | 0.44 | 0.44 | 2.30 | 2.30 |
| 5 Jan | 34.3 | 18.3 | 0.55 | 0.55 | 2.90 | 2.90 |
| 6 Jan | 34.2 | 18.1 | 0.66 | 0.66 | 3.50 | 3.50 |
| 7 Jan | 34.1 | 17.9 | 0.77 | 0.77 | 4.10 | 4.10 |
| 8 Jan | 34.0 | 17.7 | 0.88 | 0.88 | 4.70 | 4.70 |
| 9 Jan | 33.9 | 17.4 | 0.98 | 0.98 | 5.30 | 5.30 |
| 10 Jan | 33.8 | 17.2 | 1.09 | 1.09 | 5.90 | 5.90 |
| 11 Jan | 33.7 | 17.0 | 1.20 | 1.20 | 6.50 | 6.50 |
| 12 Jan | 33.6 | 16.8 | 1.30 | 1.30 | 7.20 | 7.20 |
| 13 Jan | 33.5 | 16.6 | 1.41 | 1.41 | 7.80 | 7.80 |
| 14 Jan | 33.4 | 16.4 | 1.52 | 1.52 | 8.40 | 8.40 |
| 15 Jan | 33.4 | 16.2 | 1.63 | 1.63 | 9.10 | 9.10 |
| 16 Jan | 33.3 | 16.1 | 1.74 | 1.74 | 9.70 | 9.70 |
| 17 Jan | 33.3 | 15.9 | 1.85 | 1.85 | 10.40 | 10.40 |
| 18 Jan | 33.3 | 15.7 | 1.96 | 1.96 | 11.00 | 11.00 |
| 19 Jan | 33.3 | 15.6 | 2.06 | 2.06 | 11.60 | 11.60 |
| 20 Jan | 33.3 | 15.5 | 2.16 | 2.16 | 12.20 | 12.20 |
| 21 Jan | 33.3 | 15.3 | 2.26 | 2.26 | 12.80 | 12.80 |
| 22 Jan | 33.3 | 15.2 | 2.36 | 2.36 | 13.40 | 13.40 |
| 23 Jan | 33.3 | 15.1 | 2.45 | 2.45 | 14.00 | 14.00 |
| 24 Jan | 33.3 | 15.0 | 2.55 | 2.55 | 14.60 | 14.60 |
| 25 Jan | 33.3 | 14.9 | 2.65 | 2.65 | 15.20 | 15.20 |
| 26 Jan | 33.4 | 14.9 | 2.74 | 2.74 | 15.70 | 15.70 |
| 27 Jan | 33.5 | 14.8 | 2.83 | 2.83 | 16.30 | 16.30 |
| 28 Jan | 33.5 | 14.8 | 2.91 | 2.91 | 16.90 | 16.90 |
| 29 Jan | 33.6 | 14.7 | 2.99 | 2.99 | 17.40 | 17.40 |
| 30 Jan | 33.7 | 14.7 | 3.08 | 3.08 | 18.00 | 18.00 |
| 31 Jan | 33.8 | 14.7 | 3.16 | 3.16 | 18.60 | 18.60 |
Weather history Jamestown - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 90.0 | 66.9 | 0.00 | 0.00 | 0.0 |
| 02 Jul | 91.9 | 70.0 | 0.00 | 0.00 | 0.0 |
| 03 Jul | 91.9 | 71.1 | 0.00 | 0.00 | 0.0 |
| 04 Jul | 91.9 | 66.9 | 0.03 | 0.00 | 0.0 |
| 05 Jul | 87.1 | 66.9 | 0.01 | 0.00 | 0.0 |
| 06 Jul | 78.1 | 66.0 | 0.32 | 0.00 | 0.0 |
| 07 Jul | 80.1 | 66.9 | 0.02 | 0.00 | 0.0 |
| 08 Jul | 80.1 | 66.0 | 0.00 | 0.00 | 0.0 |
| 09 Jul | 82.0 | 63.0 | 0.00 | 0.00 | 0.0 |
| 10 Jul | 84.0 | 64.0 | T | 0.00 | 0.0 |
| 11 Jul | 79.0 | 64.0 | 0.51 | 0.00 | 0.0 |
| 12 Jul | 82.9 | 62.1 | 0.00 | 0.00 | 0.0 |
| 13 Jul | 84.0 | 62.1 | 0.00 | 0.00 | 0.0 |
| 14 Jul | 86.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 15 Jul | 87.1 | 64.9 | 0.00 | 0.00 | 0.0 |
| 16 Jul | 90.0 | 68.0 | T | 0.00 | 0.0 |
| 17 Jul | 82.0 | 59.0 | 0.00 | 0.00 | 0.0 |
| 18 Jul | 80.1 | 60.1 | T | 0.00 | 0.0 |
| 19 Jul | 89.1 | 62.1 | 0.68 | 0.00 | 0.0 |
| 20 Jul | 75.0 | 51.1 | 0.00 | 0.00 | 0.0 |
| 21 Jul | 77.0 | 52.0 | 0.00 | 0.00 | 0.0 |
| 22 Jul | 77.0 | 51.1 | 1.42 | 0.00 | 0.0 |
| 23 Jul | 77.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 24 Jul | 72.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 25 Jul | 77.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 26 Jul | 79.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 27 Jul | 77.0 | 57.9 | 0.00 | 0.00 | 0.0 |
| 28 Jul | 81.0 | 64.0 | 0.02 | 0.00 | 0.0 |
| 29 Jul | 78.1 | 64.0 | 0.01 | 0.00 | 0.0 |
| 30 Jul | 75.9 | 55.9 | 0.00 | 0.00 | 0.0 |
| 31 Jul | 77.0 | 54.0 | 0.00 | 0.00 | 0.0 |
Past weather Jamestown
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 81.9 ºF | 32 ºF | |
| Average low temperature Av. low temp. | 60.5 ºF | 16 ºF | |
| Total precipitation Total precip. | 3.02 inch | 2.69 inch | |
| Total snowfall Total snowfall | 0.00 inch | 17 inch | |
| Highest max temperature Highest max temp. | 91.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 72.0 ºF | - | |
| Highest min temperature Highest min temp. | 71.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 48.0 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo Jamestown - Pennsylvania
| Country | United States | |
|---|---|---|
| State | Pennsylvania | |
| County | Mercer | |
| City | Jamestown | |
| Zip Code | 16134 | |
| Longitude | -80.44 dec. degr. | |
| Latitude | 41.48 dec. degr. | |
| Altitude - Elevation | 965ft | |
| ICAO | - | |
| IATA | - |
Date and Time Jamestown - Pennsylvania
| Local Time | 12:44 PM | |
|---|---|---|
| Sunrise | 06:49 AM | |
| Sunset | 07:51 PM | |
| Day/Night | Day | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Jamestown - Pennsylvania
USGS National Map — Open interactive map
Jamestown weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 37ºF |
| Average annual precip. | 42.48 inch |
| Av. annual snowfall | 62 inch |
Station Data
Monthly averages Jamestown
Longitude: -80.44, Latitude: 41.48
Average weather Jamestown, PA - 16134
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...