Glasgow, Delaware Climate
United States
Pop. 14,303 Elev. 21 m / 69 ft
TZ: America/New_York (UTC-4) ·
Summers in Glasgow are warm, with July highs around 87°F (31°C), while winters are cold with January lows of 25°F (-4°C). Humidity pushes the summer feels-like temperature to 100°F (38°C), while wind chill can drive winter lows to 18°F (-8°C). Expect around 64 rainy days annually (37.5 in / 953 mm total), with snow on 4 days and 19 in (493 mm) of annual accumulation. The city averages 128 sunny days per year and around 37 thunderstorm days. Ocean water temperatures reach 84°F (29°C) in summer.
| Temperature | 87°F (31°C) high | 25°F (-4°C) low |
| Feels like | 100°F (38°C) high | 18°F (-8°C) low |
| Rain | 64 days | 37.5 in (953 mm) /yr |
| Snow | 4 days | 19.4 in (493 mm) /yr |
| Sky | 128 sunny | 37 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
40
Jan 60
Feb 46
Mar 69
Apr 73
May 64
Jun 61
Jul 51
Aug 59
Sep 46
Oct 50
Nov 58
Dec Humidity (%)
61
Jan 61
Feb 55
Mar 58
Apr 69
May 72
Jun 74
Jul 72
Aug 75
Sep 68
Oct 63
Nov 66
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 9 mi Wilmington Airport (ILG)
Ski resort 49 mi Spring Mountain Ski Area
National park 82 mi Harriet Tubman Underground Railroad National Monument
Mountain peak
(4,971 ft) 325 mi Schofield Cobble
Hospital 5 mi ChristianaCare, Union Hospital
Hiking trail 11 mi Purple Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 37°F 3°C | 25°F -4°C | 0.6 in 16 mm | 9.0 in229 mm | 17 |
| February | 43°F 6°C | 31°F -1°C | 2.1 in 53 mm | 5.1 in131 mm | 8 |
| March | 60°F 15°C | 42°F 6°C | 3.4 in 86 mm | — | 15 |
| April | 66°F 19°C | 51°F 11°C | 3.0 in 77 mm | — | 5 |
| May | 73°F 23°C | 60°F 15°C | 6.6 in 168 mm | — | 5 |
| June | 83°F 28°C | 69°F 21°C | 3.1 in 78 mm | — | 10 |
| July | 87°F 31°C | 75°F 24°C | 8.1 in 206 mm | — | 10 |
| August | 80°F 27°C | 67°F 19°C | 1.5 in 38 mm | — | 13 |
| September | 78°F 25°C | 65°F 18°C | 3.4 in 86 mm | — | 10 |
| October | 66°F 19°C | 52°F 11°C | 2.3 in 59 mm | — | 13 |
| November | 55°F 13°C | 42°F 6°C | 1.6 in 42 mm | — | 14 |
| December | 41°F 5°C | 29°F -2°C | 1.7 in 43 mm | 5.2 in133 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 0 |
| February | 8 | 1 |
| March | 15 | 2 |
| April | 5 | 1 |
| May | 5 | 6 |
| June | 10 | 6 |
| July | 10 | 11 |
| August | 13 | 3 |
| September | 10 | 6 |
| October | 13 | 1 |
| November | 14 | 0 |
| December | 8 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 42°F 6°C | 33°F 0°C |
| February | 39°F 4°C | 33°F 0°C |
| March | 49°F 9°C | 47°F 8°C |
| April | 59°F 15°C | 56°F 14°C |
| May | 68°F 20°C | 66°F 19°C |
| June | 80°F 26°C | 76°F 24°C |
| July | 84°F 29°C | 82°F 28°C |
| August | 83°F 28°C | 76°F 24°C |
| September | 74°F 23°C | 71°F 21°C |
| October | 72°F 22°C | 59°F 15°C |
| November | 57°F 14°C | 46°F 8°C |
| December | 46°F 8°C | 34°F 1°C |