Washington, Iowa Climate
United States
Pop. 7,408 Elev. 234 m / 768 ft
TZ: America/Chicago (UTC-5) ·
Washington is largely arid, with warm summers peaking at 86°F (30°C) in July and cold winters around 15°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 99°F (37°C), while wind chill can drive winter lows to 6°F (-14°C). Precipitation occurs on roughly 41 days per year (33.4 in / 849 mm total), with snow on 3 days and 30 in (758 mm) of annual accumulation. The city averages 131 sunny days per year and around 31 thunderstorm days. Nearby lake water reaches 81°F (27°C) in summer.
| Temperature | 86°F (30°C) high | 15°F (-10°C) low |
| Feels like | 99°F (37°C) high | 6°F (-14°C) low |
| Rain | 41 days | 33.4 in (849 mm) /yr |
| Snow | 3 days | 29.9 in (758 mm) /yr |
| Sky | 131 sunny | 31 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
Looking for a place with a climate like Washington? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Mar, May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
47
Jan 57
Feb 49
Mar 66
Apr 53
May 50
Jun 60
Jul 50
Aug 46
Sep 43
Oct 52
Nov 68
Dec Humidity (%)
61
Jan 64
Feb 55
Mar 59
Apr 56
May 67
Jun 77
Jul 74
Aug 61
Sep 59
Oct 65
Nov 78
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 40 mi The Eastern Iowa Airport (CID)
Ski resort 95 mi Sundown Mountain Resort
National park 121 mi Pikes Peak State Park
Hospital 1 mi Washington County Hospital
Hiking trail 27 mi Woodpecker Trail
Interested in Washington?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 15°F -10°C | 1.2 in 29 mm | 2.8 in71 mm | 12 |
| February | 35°F 2°C | 18°F -8°C | 0.1 in 2 mm | 5.3 in134 mm | 9 |
| March | 60°F 16°C | 36°F 2°C | 2.8 in 70 mm | 4.1 in105 mm | 14 |
| April | 65°F 19°C | 45°F 7°C | 5.7 in 145 mm | — | 5 |
| May | 74°F 23°C | 52°F 11°C | 2.5 in 64 mm | — | 12 |
| June | 85°F 29°C | 66°F 19°C | 5.4 in 138 mm | — | 13 |
| July | 86°F 30°C | 70°F 21°C | 7.5 in 189 mm | — | 8 |
| August | 82°F 28°C | 63°F 17°C | 3.3 in 84 mm | — | 13 |
| September | 82°F 28°C | 58°F 14°C | 1.4 in 35 mm | — | 14 |
| October | 71°F 22°C | 51°F 10°C | 1.8 in 46 mm | — | 15 |
| November | 53°F 11°C | 35°F 2°C | 1.0 in 25 mm | 10.0 in255 mm | 11 |
| December | 35°F 2°C | 18°F -8°C | 0.8 in 20 mm | 7.6 in193 mm | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 1 |
| February | 9 | 0 |
| March | 14 | 2 |
| April | 5 | 3 |
| May | 12 | 2 |
| June | 13 | 6 |
| July | 8 | 7 |
| August | 13 | 4 |
| September | 14 | 1 |
| October | 15 | 3 |
| November | 11 | 2 |
| December | 5 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 38°F 4°C |
| April | 50°F 10°C |
| May | 60°F 16°C |
| June | 72°F 22°C |
| July | 81°F 27°C |
| August | 76°F 24°C |
| September | 68°F 20°C |
| October | 61°F 16°C |
| November | 45°F 7°C |
| December | 33°F 1°C |