Mellwood, Maryland Climate
United States
Pop. 3,051 Elev. 64 m / 210 ft
TZ: America/New_York (UTC-4) ·
Summers in Mellwood are warm, with July highs around 87°F (31°C), while winters are cold with January lows of 26°F (-3°C). Humidity pushes the summer feels-like temperature to 103°F (39°C), while wind chill can drive winter lows to 19°F (-7°C). Expect around 64 rainy days annually (44.5 in / 1131 mm total), with snow on 4 days and 27 in (695 mm) of annual accumulation. The city averages 129 sunny days per year and around 46 thunderstorm days. Ocean water temperatures reach 86°F (30°C) in summer.
| Temperature | 87°F (31°C) high | 26°F (-4°C) low |
| Feels like | 103°F (40°C) high | 19°F (-7°C) low |
| Rain | 64 days | 44.5 in (1131 mm) /yr |
| Snow | 4 days | 27.4 in (695 mm) /yr |
| Sky | 129 sunny | 46 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
39
Jan 54
Feb 48
Mar 67
Apr 73
May 60
Jun 62
Jul 52
Aug 60
Sep 45
Oct 47
Nov 56
Dec Humidity (%)
58
Jan 59
Feb 52
Mar 59
Apr 69
May 74
Jun 78
Jul 73
Aug 77
Sep 67
Oct 59
Nov 63
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 12 mi Ronald Reagan Washington National Airport (DCA)
Ski resort 62 mi Snow Riders
National park 10 mi Kenilworth Park & Aquatic Gardens
Mountain peak
(4,928 ft) 294 mi Third Peak
Hospital 4 mi Operating Room/Inpatient Pharmacy
Hiking trail 6 mi Wetland Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 39°F 4°C | 26°F -4°C | 0.8 in 20 mm | 12.6 in319 mm | 18 |
| February | 47°F 8°C | 32°F 0°C | 3.1 in 78 mm | 9.7 in246 mm | 11 |
| March | 62°F 17°C | 43°F 6°C | 2.5 in 64 mm | — | 13 |
| April | 69°F 21°C | 52°F 11°C | 3.5 in 88 mm | — | 6 |
| May | 74°F 23°C | 60°F 16°C | 7.4 in 188 mm | — | 4 |
| June | 85°F 29°C | 70°F 21°C | 5.6 in 141 mm | — | 10 |
| July | 87°F 31°C | 75°F 24°C | 11.3 in 288 mm | — | 9 |
| August | 81°F 27°C | 67°F 20°C | 0.9 in 24 mm | — | 12 |
| September | 78°F 26°C | 64°F 18°C | 4.3 in 109 mm | — | 9 |
| October | 67°F 20°C | 52°F 11°C | 2.4 in 60 mm | — | 13 |
| November | 57°F 14°C | 43°F 6°C | 1.4 in 34 mm | — | 14 |
| December | 44°F 7°C | 31°F -1°C | 1.4 in 35 mm | 5.1 in129 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 0 |
| February | 11 | 1 |
| March | 13 | 2 |
| April | 6 | 3 |
| May | 4 | 9 |
| June | 10 | 10 |
| July | 9 | 12 |
| August | 12 | 1 |
| September | 9 | 6 |
| October | 13 | 1 |
| November | 14 | 1 |
| December | 10 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 43°F 6°C | 33°F 1°C |
| February | 40°F 4°C | 34°F 1°C |
| March | 54°F 12°C | 43°F 6°C |
| April | 62°F 17°C | 54°F 12°C |
| May | 71°F 22°C | 64°F 18°C |
| June | 83°F 29°C | 75°F 24°C |
| July | 86°F 30°C | 83°F 29°C |
| August | 84°F 29°C | 75°F 24°C |
| September | 76°F 25°C | 69°F 20°C |
| October | 73°F 23°C | 61°F 16°C |
| November | 58°F 14°C | 48°F 9°C |
| December | 46°F 8°C | 36°F 2°C |