St. Louis weather, reported by Jeter
The live pet-owner forecast for St. Louis, Missouri: walk verdicts, paw-safety context, and a very good weather anchor. Real forecast data, reported with more tail wags than your usual station.
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Can you walk your dog in St. Louis right now?
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Verdicts use the same temperature bands as our vet-sourced guides to safe walking temperatures and cold-weather limits, including the humidity bump and the 7-second pavement test.
Next 12 hours in St. Louis
10-day St. Louis forecast
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What St. Louis weather usually means for pets
Averages tell you what to plan a wardrobe around. Here is St. Louis's typical year with a dog-walk comfort rating for each month, using the same bands as the live verdict above.
| Month | Avg high | Avg low | Typical midday walk |
|---|---|---|---|
| January | 40.4°F / 5°C | 23.8°F / -5°C | Coat weather for small dogs |
| February | 45.8°F / 8°C | 27.6°F / -2°C | Safe — great walk weather |
| March | 56.6°F / 14°C | 36.7°F / 3°C | Safe — great walk weather |
| April | 68°F / 20°C | 47°F / 8°C | Fine for most dogs |
| May | 77.1°F / 25°C | 57.9°F / 14°C | Caution — shade & water |
| June | 85.9°F / 30°C | 67.2°F / 20°C | Risky — early/late only |
| July | 89.6°F / 32°C | 71.1°F / 22°C | Risky — early/late only |
| August | 88.3°F / 31°C | 69.3°F / 21°C | Risky — early/late only |
| September | 81.1°F / 27°C | 60.9°F / 16°C | Caution — shade & water |
| October | 69.2°F / 21°C | 49.1°F / 10°C | Fine for most dogs |
| November | 55.5°F / 13°C | 37.4°F / 3°C | Safe — great walk weather |
| December | 44.5°F / 7°C | 28.5°F / -2°C | Coat weather for small dogs |
Record high: 115°F / 46°C (July 14, 1954) · Record low: -22°F / -30°C (January 5, 1884) · Average snowfall: 16.6″ a year, peaking in January
Climate data: NOAA 1991-2020 U.S. Climate Normals (St. Louis Lambert International Airport).
St. Louis weather facts every pet owner should know
- St. Louis hit 115F on July 14, 1954, one of the hottest readings ever in a major US city, and normal July highs of 89.6F still sit at the edge of dangerous for dogs.
- The city's humid subtropical summers make the heat feel worse than the thermometer says, so dawn walks are the St. Louis summer default.
- January lows average 23.8F, inside the caution zone, and the record is -22F, so winter coats here are for real cold snaps, not just style.
- With only 16.6 inches of average annual snow, most of it in January (5.7 inches), St. Louis winters are more slush than powder: towel off wet coats to avoid post-walk chills.
St. Louis pet weather questions
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