Cortland, New York Climate
United States
Pop. 18,907 Elev. 343 m / 1,125 ft
TZ: America/New_York (UTC-4) ·
Summers in Cortland are mild, with July highs around 82°F (28°C), while winters are frigid with January lows of 15°F (-9°C). Humidity pushes the summer feels-like temperature to 87°F (31°C), while wind chill can drive winter lows to 5°F (-15°C). Expect around 68 rainy days annually (37.9 in / 963 mm total), with snow on 7 days and 76 in (1921 mm) of annual accumulation. The city averages 82 sunny days per year and around 31 thunderstorm days. Nearby lake water reaches 71°F (22°C) in summer.
| Temperature | 82°F (28°C) high | 15°F (-10°C) low |
| Feels like | 87°F (31°C) high | 5°F (-15°C) low |
| Rain | 68 days | 37.9 in (963 mm) /yr |
| Snow | 7 days | 75.6 in (1921 mm) /yr |
| Sky | 82 sunny | 31 stormy |
| Wind | 3.1 mph (1.4 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 (%)
78
Jan 86
Feb 66
Mar 76
Apr 79
May 65
Jun 54
Jul 43
Aug 50
Sep 46
Oct 74
Nov 83
Dec Humidity (%)
74
Jan 73
Feb 58
Mar 60
Apr 76
May 73
Jun 72
Jul 65
Aug 72
Sep 72
Oct 75
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 16 mi Ithaca Tompkins Regional Airport (ITH)
Ski resort 7 mi Snow Tubing Area
National park 99 mi Timber Island Provincial Park
Mountain peak
(5,102 ft) 153 mi Algonquin Peak
Hospital 1 mi Guthrie Cortland Medical Center
Hiking trail 7 mi McDermott Nature Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 26°F -3°C | 15°F -10°C | 0.8 in 20 mm | 17.3 in438 mm | 4 |
| February | 31°F -1°C | 17°F -8°C | 1.7 in 43 mm | 19.3 in489 mm | 0 |
| March | 50°F 10°C | 31°F -1°C | 2.4 in 62 mm | 3.7 in94 mm | 5 |
| April | 57°F 14°C | 38°F 3°C | 4.5 in 114 mm | 3.0 in76 mm | 4 |
| May | 64°F 18°C | 49°F 9°C | 6.5 in 166 mm | — | 4 |
| June | 77°F 25°C | 60°F 15°C | 4.9 in 124 mm | — | 9 |
| July | 82°F 28°C | 64°F 18°C | 3.1 in 78 mm | — | 10 |
| August | 78°F 25°C | 57°F 14°C | 2.5 in 65 mm | — | 14 |
| September | 73°F 23°C | 52°F 11°C | 2.9 in 73 mm | — | 14 |
| October | 60°F 15°C | 41°F 5°C | 3.9 in 100 mm | — | 15 |
| November | 44°F 7°C | 31°F -1°C | 3.3 in 83 mm | 7.7 in196 mm | 3 |
| December | 31°F 0°C | 17°F -8°C | 1.4 in 36 mm | 24.7 in628 mm | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 0 |
| February | 0 | 0 |
| March | 5 | 2 |
| April | 4 | 2 |
| May | 4 | 4 |
| June | 9 | 6 |
| July | 10 | 4 |
| August | 14 | 3 |
| September | 14 | 4 |
| October | 15 | 3 |
| November | 3 | 2 |
| December | 0 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 1°C |
| February | 32°F 0°C |
| March | 33°F 1°C |
| April | 37°F 3°C |
| May | 43°F 6°C |
| June | 55°F 13°C |
| July | 71°F 22°C |
| August | 70°F 21°C |
| September | 67°F 19°C |
| October | 56°F 13°C |
| November | 46°F 8°C |
| December | 37°F 3°C |