Wentzville Climate by Month
Wentzville, Missouri, United States
Hot summers and cold winters, with rain spread through the year.
The climate in Wentzville is one of hot summers and cold winters, with rain spread through the year. Expect highs of 89°F (32°C) in July and 40°F (5°C) in January, with the coldest nights (January) near 21°F (-6°C). It gets 39 in (993 mm) of rain a year, spread across the months.
- Warmest month
- 89°F(32°C)
- Average high, July
- Coldest nights
- 21°F(-6°C)
- Average low, January
- Rain per year
- 39 in(993 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Wentzville
Best for weatherThe most comfortable weather comes in May, September and October, with highs around 76°F (24°C) and about 3.8 in (97 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 40°F (5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Wentzville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 40°F(5°C) | 21°F(-6°C) | 1.9 in(48 mm) | 69% | 1.8 |
| FebFebruary | 46°F(8°C) | 24°F(-4°C) | 2.0 in(51 mm) | 73% | 2.7 |
| MarMarch | 56°F(14°C) | 34°F(1°C) | 3.1 in(80 mm) | 68% | 3.8 |
| AprApril | 68°F(20°C) | 44°F(7°C) | 3.9 in(99 mm) | 59% | 4.8 |
| MayMayBest | 77°F(25°C) | 54°F(12°C) | 4.8 in(123 mm) | 70% | 5.4 |
| JunJune | 85°F(30°C) | 63°F(17°C) | 3.8 in(96 mm) | 69% | 6.1 |
| JulJuly | 89°F(32°C) | 67°F(19°C) | 4.2 in(107 mm) | 70% | 6.2 |
| AugAugust | 88°F(31°C) | 65°F(18°C) | 3.3 in(84 mm) | 70% | 5.5 |
| SepSeptemberBest | 81°F(27°C) | 56°F(14°C) | 3.4 in(87 mm) | 67% | 4.7 |
| OctOctoberBest | 69°F(21°C) | 45°F(7°C) | 3.1 in(80 mm) | 63% | 3.2 |
| NovNovember | 56°F(13°C) | 34°F(1°C) | 3.1 in(79 mm) | 69% | 2.1 |
| DecDecember | 44°F(7°C) | 25°F(-4°C) | 2.3 in(59 mm) | 74% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Wentzville →- 🇺🇸ColumbiaMissouri, United States · Pop. 129k99%matchSame winter lowsSame summer highsWentzville vs Columbia →
- 🇺🇸Jefferson CityMissouri, United States · Pop. 43k99%matchSame winter lowsSame summer highsWentzville vs Jefferson City →
- 🇺🇸DaytonOhio, United States · Pop. 136k99%matchSame winter lowsSimilar rainfallWentzville vs Dayton →
- 🇺🇸SpringfieldIllinois, United States · Pop. 114k99%matchSame summer highsSame winter lowsWentzville vs Springfield →
- 🇺🇸ParkersburgWest Virginia, United States · Pop. 31k99%matchSame winter lowsSame humidityWentzville vs Parkersburg →