Poplar Bluff, Missouri Weather
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Climate of Poplar Bluff: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Poplar Bluff, with average daytime highs around 32°C. January is the coolest, when nights typically fall to about -4°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 36°C, so the seasons feel very different from each other.
The area receives about 1250 mm of rain in a typical year. Most of it falls from March to May, July to August and October to November (around 66% of the yearly total), and May is the wettest month at roughly 144 mm.
For outdoor plans and travel, June and September usually offer the most comfortable weather in Poplar Bluff, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 6° | -4° | 73 mm | 81% |
| Feb | 8° | -3° | 88 mm | 81% |
| Mar | 15° | 2° | 122 mm | 79% |
| Apr | 21° | 8° | 140 mm | 77% |
| May | 25° | 14° | 144 mm | 80% |
| Jun | 29° | 19° | 84 mm | 78% |
| Jul | 32° | 20° | 105 mm | 76% |
| Aug | 32° | 19° | 100 mm | 72% |
| Sep | 28° | 15° | 85 mm | 71% |
| Oct | 21° | 8° | 100 mm | 72% |
| Nov | 14° | 2° | 108 mm | 77% |
| Dec | 8° | -2° | 98 mm | 83% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Poplar Bluff. Values describe typical conditions, not a forecast.
About Poplar Bluff weather
Poplar Bluff is one of many towns in Missouri's humid continental-to-subtropical climate, prone to severe spring storms, about 209 km south of St. Louis. Before the rains arrive, there's hot, humid summers (June–August). Cooler months mean cold winters (December–February) with occasional ice storms. This page shows live, auto-refreshing weather for Poplar Bluff: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Poplar Bluff is about 209 km south of St. Louis, in Missouri.
Poplar Bluff sees cold winters (December–February) with occasional ice storms.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Poplar Bluff's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Poplar Bluff, with average daytime highs of about 32°C and nights around 20°C.
The coldest nights come in January, when the average low is about -4°C and daytime highs reach around 6°C. Frost is possible on clear, calm nights.
Poplar Bluff receives about 1250 mm of rain in a typical year. May is the wettest month at roughly 144 mm, and the main rainy period is March to May, July to August and October to November.
June and September usually offer the most comfortable weather in Poplar Bluff, with mild daytime temperatures and little rain.
In November Poplar Bluff typically sees daytime highs near 14°C and lows near 2°C, with about 108 mm of rain over the month and average humidity around 77%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Poplar Bluff is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Poplar Bluff's day-to-day weather follows the broader pattern of Missouri described above. See the hourly weather forecast or the air quality index for more detail.