Jamestown, New York Climate
United States
Pop. 30,075 Elev. 420 m / 1,378 ft
TZ: America/New_York (UTC-4) ·
Summers in Jamestown are mild, with July highs around 81°F (27°C), while winters are frigid with January lows of 15°F (-9°C). Wind chill can push winter lows to 6°F (-14°C). Expect around 77 rainy days annually (40.2 in / 1021 mm total), with snow on 13 days and 94 in (2385 mm) of annual accumulation. The city averages 77 sunny days per year and around 41 thunderstorm days. Ocean water temperatures reach 76°F (25°C) in summer.
| Temperature | 81°F (27°C) high | 15°F (-9°C) low |
| Feels like | 85°F (29°C) high | 6°F (-15°C) low |
| Rain | 77 days | 40.2 in (1021 mm) /yr |
| Snow | 13 days | 93.9 in (2385 mm) /yr |
| Sky | 77 sunny | 41 stormy |
| Wind | 3.3 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
85
Jan 88
Feb 63
Mar 73
Apr 73
May 63
Jun 55
Jul 47
Aug 43
Sep 48
Oct 71
Nov 83
Dec Humidity (%)
78
Jan 74
Feb 59
Mar 62
Apr 76
May 77
Jun 78
Jul 72
Aug 72
Sep 74
Oct 78
Nov 80
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 37 mi Bradford Regional Airport (BFD)
Ski resort 26 mi Peek'n Peak Ski Area
National park 56 mi James N Allan Provincial Park
Hospital 0 mi UPMC Chautauqua
Hiking trail 9 mi Earl Cardot East Side Overland Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 26°F -4°C | 15°F -9°C | 0.6 in 14 mm | 23.7 in602 mm | 1 |
| February | 32°F 0°C | 18°F -8°C | 1.7 in 44 mm | 20.0 in508 mm | 0 |
| March | 51°F 11°C | 31°F 0°C | 2.4 in 61 mm | 4.4 in111 mm | 6 |
| April | 58°F 14°C | 38°F 4°C | 4.8 in 121 mm | 3.6 in90 mm | 6 |
| May | 64°F 18°C | 48°F 9°C | 7.8 in 199 mm | — | 4 |
| June | 76°F 24°C | 60°F 16°C | 6.3 in 160 mm | — | 7 |
| July | 81°F 27°C | 63°F 17°C | 3.2 in 81 mm | — | 10 |
| August | 75°F 24°C | 56°F 13°C | 2.0 in 52 mm | — | 11 |
| September | 73°F 23°C | 52°F 11°C | 2.4 in 60 mm | — | 17 |
| October | 60°F 15°C | 42°F 5°C | 4.5 in 115 mm | — | 12 |
| November | 44°F 7°C | 31°F -1°C | 2.8 in 72 mm | 14.8 in376 mm | 1 |
| December | 32°F 0°C | 17°F -8°C | 1.7 in 43 mm | 27.5 in697 mm | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 1 | 0 |
| February | 0 | 0 |
| March | 6 | 2 |
| April | 6 | 5 |
| May | 4 | 10 |
| June | 7 | 9 |
| July | 10 | 5 |
| August | 11 | 3 |
| September | 17 | 1 |
| October | 12 | 3 |
| November | 1 | 3 |
| December | 2 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 38°F 4°C | 32°F 0°C |
| February | 32°F 0°C | 32°F 0°C |
| March | 35°F 2°C | 35°F 1°C |
| April | 42°F 5°C | 42°F 6°C |
| May | 51°F 11°C | 54°F 12°C |
| June | 67°F 20°C | 67°F 20°C |
| July | 76°F 25°C | 77°F 25°C |
| August | 75°F 24°C | 71°F 22°C |
| September | 68°F 20°C | 64°F 18°C |
| October | 66°F 19°C | 56°F 13°C |
| November | 54°F 12°C | 42°F 6°C |
| December | 43°F 6°C | 33°F 1°C |