Arrow Rock, MO
Climate overview — based on NOAA 1991-2020 normals from NEW FRANKLIN 1W, MO US.
Year-round temperatures (°F)
Climate summary
Arrow Rock has an annual average temperature of 54°F with about 41.5 inches of precipitation per year and 10.3 inches of snow. The warmest month is July (average high 87.2°F), and the coldest is January (average low 18.3°F). May is typically the wettest month (4.87 in) and December the driest (1.88 in). Snow typically falls from November through March.
Best time to visit Arrow Rock
Full guide →Climate change signal
All-time records →36 of 366 (9.8%) of Arrow Rock's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1950s | 30 | |
| 1960s | 59 | |
| 1970s | 51 | |
| 1980s | 82 | |
| 1990s | 43 | |
| 2000s | 43 | |
| 2010s | 42 | |
| 2020s | 16 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 37.8°F | 18.3°F | 28.1°F | 1.98 in | 2.9 in | 7 |
| February | 43.0°F | 22.6°F | 32.8°F | 2.10 in | 3.7 in | 7 |
| March | 54.4°F | 32.4°F | 43.4°F | 2.93 in | 0.7 in | 9 |
| April | 65.2°F | 42.9°F | 54.0°F | 4.41 in | 0.1 in | 11 |
| May | 74.6°F | 54.0°F | 64.3°F | 4.87 in | — | 12 |
| June | 83.2°F | 63.4°F | 73.3°F | 4.64 in | — | 10 |
| July | 87.2°F | 67.1°F | 77.2°F | 4.39 in | — | 9 |
| August | 86.3°F | 64.8°F | 75.5°F | 4.03 in | — | 9 |
| September | 79.0°F | 55.9°F | 67.5°F | 4.10 in | — | 8 |
| October | 67.5°F | 43.7°F | 55.6°F | 3.45 in | — | 9 |
| November | 54.0°F | 33.1°F | 43.6°F | 2.70 in | 0.5 in | 8 |
| December | 42.4°F | 23.4°F | 32.9°F | 1.88 in | 2.4 in | 7 |
Climate twins of Arrow Rock
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).