| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 7.5° | -3.6° | 49.7mm | 7.4 | 37 |
| February | 10.1° | -1.7° | 46.8mm | 6.4 | 50 |
| March | 15.6° | 3.3° | 84.5mm | 9.9 | 66 |
| April | 20.9° | 8.3° | 121.3mm | 10.5 | 79 |
| May | 25.1° | 13.7° | 177.8mm | 12.9 | 74 |
| June | 30.2° | 18.8° | 140.3mm | 9.9 | 67 |
| July | 32.8° | 21.2° | 86.6mm | 7.9 | 61 |
| August | 32.6° | 20.5° | 87.7mm | 7.5 | 63 |
| September | 28.4° | 15.8° | 87.5mm | 7 | 80 |
| October | 21.9° | 9.3° | 98.5mm | 8.6 | 83 |
| November | 15.2° | 3.2° | 71.5mm | 7.3 | 70 |
| December | 9.2° | -1.5° | 60.3mm | 7.3 | 46 |
January in Joplin averages a daily high of 7.5°C with nights around -3.6°C. Expect roughly 7.4 wet days totalling 49.7mm. Demanding conditions — pack for it and plan indoor options.
February in Joplin averages a daily high of 10.1°C with nights around -1.7°C. Expect roughly 6.4 wet days totalling 46.8mm. Demanding conditions — pack for it and plan indoor options.
March in Joplin averages a daily high of 15.6°C with nights around 3.3°C. Expect roughly 9.9 wet days totalling 84.5mm. Generally workable, with some weather to plan around.
April in Joplin averages a daily high of 20.9°C with nights around 8.3°C. Expect roughly 10.5 wet days totalling 121.3mm. Comfortable conditions for being outdoors all day.
May in Joplin averages a daily high of 25.1°C with nights around 13.7°C. Expect roughly 12.9 wet days totalling 177.8mm. Generally workable, with some weather to plan around.
June in Joplin averages a daily high of 30.2°C with nights around 18.8°C. Expect roughly 9.9 wet days totalling 140.3mm. Generally workable, with some weather to plan around.
July in Joplin averages a daily high of 32.8°C with nights around 21.2°C. Expect roughly 7.9 wet days totalling 86.6mm. Generally workable, with some weather to plan around.
August in Joplin averages a daily high of 32.6°C with nights around 20.5°C. Expect roughly 7.5 wet days totalling 87.7mm. Generally workable, with some weather to plan around.
September in Joplin averages a daily high of 28.4°C with nights around 15.8°C. Expect roughly 7 wet days totalling 87.5mm. Comfortable conditions for being outdoors all day.
October in Joplin averages a daily high of 21.9°C with nights around 9.3°C. Expect roughly 8.6 wet days totalling 98.5mm. Comfortable conditions for being outdoors all day.
November in Joplin averages a daily high of 15.2°C with nights around 3.2°C. Expect roughly 7.3 wet days totalling 71.5mm. Generally workable, with some weather to plan around.
December in Joplin averages a daily high of 9.2°C with nights around -1.5°C. Expect roughly 7.3 wet days totalling 60.3mm. Demanding conditions — pack for it and plan indoor options.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Joplin peaks at 83.
Based on 30 years of records, September–October scores highest for comfort in Joplin, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.8°C.
May is the wettest, averaging 177.8mm of rain across roughly 12.9 wet days.
January is the coolest month, with average daily highs around 7.5°C.