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Gray Summit, MO Climate
1991 to 2020 normals at Washington, 8.1 mi from the center of Gray Summit, elevation 487 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 40° | 20° | 2.52 in | 2.6 in | |
| February | 45° | 23° | 2.52 in | 1.4 in | |
| March | 56° | 32° | 3.66 in | 0.7 in | |
| April | 67° | 43° | 4.57 in | 0.1 in | |
| May | 76° | 54° | 5.30 in | 0.0 in | |
| June | 84° | 64° | 4.20 in | 0.0 in | |
| July | 88° | 67° | 4.19 in | 0.0 in | |
| August | 87° | 65° | 3.75 in | 0.0 in | |
| September | 80° | 56° | 3.71 in | 0.0 in | |
| October | 69° | 44° | 3.37 in | 0.0 in | |
| November | 55° | 33° | 3.67 in | 0.4 in | |
| December | 45° | 24° | 2.64 in | 2.7 in | |
| Year | 66° | 44.10 in | 7.9 in |
Frequently asked questions
- What is the hottest month in Gray Summit, MO?
- July is the warmest month, with a normal high of 88°F at Washington.
- What is the coldest month in Gray Summit, MO?
- January is the coldest month, with a normal low of 20°F.
- What is the wettest month in Gray Summit, MO?
- May has the most precipitation on average, about 5.30 inches.