Weather, climate, temperature by months in Rockville
| Season | Autumn | Winter | Spring | Summer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year | ||
| Record high | °C | 37 | 35 | 31 | 28 | 26 | 27 | 33 | 35 | 37 | 38 | 39 | 41 | 41 | |
| Average high | °C | 27 | 21 | 15 | 9 | 7 | 9 | 14 | 20 | 25 | 30 | 32 | 31 | 20 | |
| Average temperature | °C | 21 | 14 | 9 | 3 | 1 | 3 | 7 | 13 | 18 | 23 | 25 | 25 | 14 | |
| Average low | °C | 15 | 8 | 3 | -2 | -4 | -3 | 1 | 6 | 11 | 16 | 19 | 19 | 7 | |
| Record low | °C | -1 | -7 | -13 | -19 | -24 | -23 | -15 | -7 | -3 | 3 | 7 | 5 | -24 | |
| Snow | Days | 0 | 0 | 0 | 1 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | |
| Snowfall | Cm. | 0 | 0 | 3 | 12 | 12 | 16 | 12 | 0 | 0 | 0 | 0 | 0 | 55 | |
| Average precipitation | Mm. | 94 | 78 | 87 | 88 | 67 | 78 | 97 | 90 | 106 | 104 | 110 | 120 | 1119 | |
| Relative humidity | % | 80 | 80 | 73 | 73 | 69 | 67 | 64 | 64 | 75 | 75 | 77 | 80 | 73 | |
| Wind speed | Km/h | 1 | 2 | 3 | 5 | 5 | 6 | 5 | 4 | 1 | 1 | 1 | 1 | 3 | |
| Day Length | Hours | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 | |
| Dew point | °C | 15 | 9 | 2 | -2 | -4 | -4 | 1 | 6 | 14 | 17 | 20 | 19 | 94 | |
| Growing degree-day | °C | 591 | 267 | 74 | 14 | 9 | 12 | 64 | 225 | 469 | 724 | 877 | 831 | 4157 | |
| Atmosphere pressure | Bar | 1017 | 1016 | 1021 | 1019 | 1018 | 1016 | 1017 | 1015 | 1016 | 1013 | 1015 | 1015 | 12196 | |
| Solar radiation, global | Mj/m2 | 15 | 12 | 8 | 6 | 7 | 10 | 13 | 17 | 19 | 20 | 20 | 18 | 14 | |
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Rockville - Closest airports
Total 10 items.
| Title | Region | Country | Size | |
|---|---|---|---|---|
| 17 km | Ronald Reagan Washington National Airport | Washington | L | |
| 19 km | Washington Dulles International Airport | Washington | L | |
| 21 km | Tipton Airport | Fort Meade(Odenton) | M | |
| 24 km | Andrews Air Force Base | Camp Springs | L | |
| 26 km | Davison Army Air Field | Fort Belvoir | M | |
| 27 km | Baltimore/Washington International Thurgood Marshall Airport | Baltimore | L | |
| 41 km | Quantico MCAF /Turner field | Quantico | M | |
| 43 km | Martin State Airport | Baltimore | M | |
| 50 km | Eastern WV Regional Airport/Shepherd Field | Martinsburg | M | |
| 53 km | Hagerstown Regional Richard A Henson Field | Hagerstown | M |
Cities close to Rockville
Showing 1-10 of 6,822 items.
| Country | Region | City | Population | Costs | Live quality | Climate | Safety | ||
|---|---|---|---|---|---|---|---|---|---|
| Month | 1-10 | 1-10 | 1-10 | ||||||
| 175 km | United States | New York | New York City | 8,175,133 | 1,461 USD | 6.5 | 8.0 | 6.7 | |
| 507 km | United States | Illinois | Chicago | 2,695,598 | 1,020 USD | 7.2 | 7.0 | 4.5 | |
| 13 km | United States | Washington, D.C. | Washington, D.C. | 601,723 | 1,369 USD | 7.4 | 8.2 | 5.4 | |
| 1,986 km | United States | California | Los Angeles | 3,792,621 | 1,177 USD | 7.2 | 9.6 | 6.5 | |
| 340 km | United States | Massachusetts | Boston | 617,594 | 1,192 USD | 8.2 | 7.4 | 7.9 | |
| 106 km | United States | Pennsylvania | Philadelphia | 1,526,006 | 965 USD | 7.2 | 7.9 | 5.2 | |
| 474 km | United States | Georgia | Atlanta | 420,003 | 830 USD | 7.6 | 8.7 | 4.7 | |
| 1,965 km | United States | California | San Diego | 1,307,402 | 1,098 USD | 8.9 | 9.7 | 7.7 | |
| 1,058 km | United States | Texas | Houston | 2,099,451 | 825 USD | 7.7 | 7.8 | 4.9 | |
| 2,029 km | United States | Oregon | Portland | 583,776 | 994 USD | 8.8 | 9.1 | 6.8 |