Washington, Missouri Climate
United States
Pop. 14,050 Elev. 171 m / 561 ft
TZ: America/Chicago (UTC-5) ·
Washington sees warm summers peaking at 88°F (31°C) in July, and frigid winters that bottom out around 20°F (-7°C) in January. Humidity pushes the summer feels-like temperature to around 106°F (41°C). Precipitation occurs on roughly 64 days per year (36.5 in / 926 mm total), with snow on 6 days and 27 in (692 mm) of annual accumulation. The city averages 123 sunny days per year and around 47 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.
| Temperature | 88°F (31°C) high | 20°F (-6°C) low |
| Feels like | 106°F (41°C) high | 15°F (-9°C) low |
| Rain | 64 days | 36.5 in (926 mm) /yr |
| Snow | 6 days | 27.2 in (692 mm) /yr |
| Sky | 123 sunny | 47 stormy |
| Wind | 2.1 mph (0.9 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
47
Jan 60
Feb 51
Mar 67
Apr 63
May 57
Jun 58
Jul 46
Aug 45
Sep 42
Oct 53
Nov 57
Dec Humidity (%)
64
Jan 66
Feb 51
Mar 65
Apr 71
May 78
Jun 79
Jul 67
Aug 64
Sep 69
Oct 68
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 37 mi St. Louis Lambert International Airport (STL)
Ski resort 19 mi Hidden Valley
National park 121 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 1 mi Mercy Hospital Washington
Hiking trail 12 mi Shaw Nature Reserve Unnamed Hiking Trails
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 37°F 3°C | 20°F -6°C | 1.2 in 30 mm | 11.4 in290 mm | 14 |
| February | 44°F 6°C | 26°F -3°C | 0.7 in 18 mm | 9.1 in230 mm | 8 |
| March | 66°F 19°C | 42°F 6°C | 3.0 in 77 mm | 0.7 in19 mm | 11 |
| April | 69°F 21°C | 49°F 10°C | 6.5 in 166 mm | — | 5 |
| May | 73°F 23°C | 56°F 13°C | 4.5 in 113 mm | — | 9 |
| June | 84°F 29°C | 68°F 20°C | 7.4 in 188 mm | — | 9 |
| July | 88°F 31°C | 73°F 23°C | 3.4 in 86 mm | — | 9 |
| August | 86°F 30°C | 65°F 19°C | 0.6 in 15 mm | — | 13 |
| September | 84°F 29°C | 59°F 15°C | 3.3 in 84 mm | — | 12 |
| October | 72°F 22°C | 52°F 11°C | 2.8 in 70 mm | — | 16 |
| November | 58°F 15°C | 41°F 5°C | 2.5 in 64 mm | 4.3 in108 mm | 9 |
| December | 47°F 8°C | 30°F -1°C | 0.5 in 14 mm | 1.8 in45 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 2 |
| February | 8 | 0 |
| March | 11 | 4 |
| April | 5 | 7 |
| May | 9 | 7 |
| June | 9 | 10 |
| July | 9 | 8 |
| August | 13 | 0 |
| September | 12 | 2 |
| October | 16 | 2 |
| November | 9 | 5 |
| December | 8 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 48°F 9°C |
| April | 58°F 14°C |
| May | 65°F 18°C |
| June | 76°F 25°C |
| July | 83°F 28°C |
| August | 77°F 25°C |
| September | 72°F 22°C |
| October | 62°F 17°C |
| November | 47°F 8°C |
| December | 34°F 1°C |