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What is Francis Chaffee Dam Number 1, SD, Weather Like in October?
During the month of October, Francis Chaffee Dam Number 1, SD,
has an average daytime high temperature of 61°F and an average overnight low temperature dropping to 32°F.
Around 1.61 inches of precipitation is received during the month,
with about 17.67 inches falling in a typical year.
3.00 inches of snow is the mean amount received during October.
Annually, Francis Chaffee Dam Number 1 receives around 32.20 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 25, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 63.8 F
(+1.7 vs avg)
Average Low: 39 F
(+6.0 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_F5138
Francis Chaffee Dam Number 1, SD Daily Weather Averages for October
Recorded at Red Owl
(usc00397073),
12.9 miles
ENE of
Francis Chaffee Dam Number 1, SD
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 38 F | 68 F | 53 F | 0.06" | 16.12" | 0.00" | 29.20" | 12.3 F | 0.4 F |
| 10/2 | 38 F | 68 F | 53 F | 0.12" | 16.18" | 0.10" | 29.30" | 12.7 F | 0.3 F |
| 10/3 | 37 F | 67 F | 52 F | 0.19" | 16.25" | 0.10" | 29.30" | 13.2 F | 0.3 F |
| 10/4 | 37 F | 67 F | 52 F | 0.25" | 16.31" | 0.20" | 29.40" | 13.6 F | 0.3 F |
| 10/5 | 36 F | 66 F | 51 F | 0.31" | 16.37" | 0.20" | 29.40" | 14.1 F | 0.3 F |
| 10/6 | 36 F | 66 F | 51 F | 0.37" | 16.43" | 0.30" | 29.50" | 14.6 F | 0.2 F |
| 10/7 | 35 F | 65 F | 50 F | 0.43" | 16.49" | 0.30" | 29.50" | 15 F | 0.2 F |
| 10/8 | 35 F | 64 F | 50 F | 0.48" | 16.54" | 0.40" | 29.60" | 15.5 F | 0.2 F |
| 10/9 | 35 F | 64 F | 49 F | 0.53" | 16.59" | 0.40" | 29.60" | 16 F | 0.2 F |
| 10/10 | 34 F | 63 F | 49 F | 0.59" | 16.65" | 0.50" | 29.70" | 16.5 F | 0.2 F |
| 10/11 | 34 F | 63 F | 48 F | 0.64" | 16.70" | 0.60" | 29.80" | 16.9 F | 0.2 F |
| 10/12 | 33 F | 62 F | 48 F | 0.69" | 16.75" | 0.60" | 29.80" | 17.4 F | 0.1 F |
| 10/13 | 33 F | 62 F | 47 F | 0.74" | 16.80" | 0.70" | 29.90" | 17.8 F | 0.1 F |
| 10/14 | 32 F | 61 F | 47 F | 0.80" | 16.86" | 0.80" | 30.00" | 18.3 F | 0.1 F |
| 10/15 | 32 F | 61 F | 46 F | 0.86" | 16.92" | 0.90" | 30.10" | 18.8 F | 0.1 F |
| 10/16 | 31 F | 60 F | 46 F | 0.91" | 16.97" | 1.00" | 30.20" | 19.2 F | N/A |
| 10/17 | 31 F | 60 F | 45 F | 0.97" | 17.03" | 1.10" | 30.30" | 19.7 F | N/A |
| 10/18 | 31 F | 59 F | 45 F | 1.03" | 17.09" | 1.20" | 30.40" | 20.2 F | N/A |
| 10/19 | 30 F | 59 F | 44 F | 1.09" | 17.15" | 1.30" | 30.50" | 20.6 F | N/A |
| 10/20 | 30 F | 58 F | 44 F | 1.14" | 17.20" | 1.40" | 30.60" | 21.1 F | N/A |
| 10/21 | 29 F | 58 F | 44 F | 1.18" | 17.24" | 1.40" | 30.60" | 21.6 F | N/A |
| 10/22 | 29 F | 57 F | 43 F | 1.23" | 17.29" | 1.50" | 30.70" | 22 F | N/A |
| 10/23 | 28 F | 57 F | 43 F | 1.28" | 17.34" | 1.70" | 30.90" | 22.5 F | N/A |
| 10/24 | 28 F | 56 F | 42 F | 1.32" | 17.38" | 1.80" | 31.00" | 22.9 F | N/A |
| 10/25 | 28 F | 56 F | 42 F | 1.37" | 17.43" | 2.00" | 31.20" | 23.4 F | N/A |
| 10/26 | 27 F | 55 F | 41 F | 1.41" | 17.47" | 2.10" | 31.30" | 23.8 F | N/A |
| 10/27 | 27 F | 55 F | 41 F | 1.45" | 17.51" | 2.30" | 31.50" | 24.3 F | N/A |
| 10/28 | 26 F | 54 F | 40 F | 1.49" | 17.55" | 2.50" | 31.70" | 24.7 F | N/A |
| 10/29 | 26 F | 54 F | 40 F | 1.53" | 17.59" | 2.60" | 31.80" | 25.2 F | N/A |
| 10/30 | 26 F | 53 F | 39 F | 1.57" | 17.63" | 2.80" | 32.00" | 25.6 F | N/A |
| 10/31 | 25 F | 53 F | 39 F | 1.61" | 17.67" | 3.00" | 32.20" | 26 F | N/A |
