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What is Trojan, SD, Weather Like in October?
During the month of October, Trojan, SD,
has an average daytime high temperature of 58°F and an average overnight low temperature dropping to 35°F.
Around 3.32 inches of precipitation is received during the month,
with about 28.58 inches falling in a typical year.
19.30 inches of snow is the mean amount received during October.
Annually, Trojan receives around 136.30 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 27, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 59.3 F
(+0.9 vs avg)
Average Low: 40.1 F
(+3.9 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_FMRS2
Trojan, SD Daily Weather Averages for October
Recorded at Lead
(usc00394834),
4.8 miles
E of
Trojan, SD
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 41 F | 64 F | 53 F | 0.11" | 25.37" | 0.40" | 117.40" | 12.6 F | 0.3 F |
| 10/2 | 41 F | 64 F | 52 F | 0.23" | 25.49" | 0.80" | 117.80" | 13 F | 0.3 F |
| 10/3 | 40 F | 63 F | 52 F | 0.34" | 25.60" | 1.20" | 118.20" | 13.5 F | 0.3 F |
| 10/4 | 40 F | 63 F | 51 F | 0.46" | 25.72" | 1.60" | 118.60" | 13.9 F | 0.2 F |
| 10/5 | 39 F | 62 F | 51 F | 0.58" | 25.84" | 2.10" | 119.10" | 14.4 F | 0.2 F |
| 10/6 | 39 F | 62 F | 50 F | 0.69" | 25.95" | 2.50" | 119.50" | 14.8 F | 0.2 F |
| 10/7 | 39 F | 61 F | 50 F | 0.80" | 26.06" | 2.90" | 119.90" | 15.3 F | 0.2 F |
| 10/8 | 38 F | 61 F | 49 F | 0.92" | 26.18" | 3.40" | 120.40" | 15.7 F | 0.2 F |
| 10/9 | 38 F | 60 F | 49 F | 1.03" | 26.29" | 4.00" | 121.00" | 16.2 F | 0.2 F |
| 10/10 | 37 F | 60 F | 49 F | 1.14" | 26.40" | 4.50" | 121.50" | 16.6 F | 0.1 F |
| 10/11 | 37 F | 59 F | 48 F | 1.26" | 26.52" | 5.00" | 122.00" | 17 F | 0.1 F |
| 10/12 | 37 F | 59 F | 48 F | 1.38" | 26.64" | 5.60" | 122.60" | 17.4 F | 0.1 F |
| 10/13 | 36 F | 58 F | 47 F | 1.49" | 26.75" | 6.20" | 123.20" | 17.8 F | 0.1 F |
| 10/14 | 36 F | 58 F | 47 F | 1.61" | 26.87" | 6.90" | 123.90" | 18.2 F | 0.1 F |
| 10/15 | 35 F | 58 F | 46 F | 1.73" | 26.99" | 7.60" | 124.60" | 18.6 F | N/A |
| 10/16 | 35 F | 57 F | 46 F | 1.86" | 27.12" | 8.30" | 125.30" | 19 F | N/A |
| 10/17 | 35 F | 57 F | 46 F | 1.98" | 27.24" | 9.00" | 126.00" | 19.4 F | N/A |
| 10/18 | 34 F | 56 F | 45 F | 2.10" | 27.36" | 9.80" | 126.80" | 19.8 F | N/A |
| 10/19 | 34 F | 56 F | 45 F | 2.21" | 27.47" | 10.50" | 127.50" | 20.2 F | N/A |
| 10/20 | 34 F | 55 F | 45 F | 2.32" | 27.58" | 11.20" | 128.20" | 20.5 F | N/A |
| 10/21 | 33 F | 55 F | 44 F | 2.42" | 27.68" | 11.80" | 128.80" | 20.9 F | N/A |
| 10/22 | 33 F | 55 F | 44 F | 2.52" | 27.78" | 12.50" | 129.50" | 21.2 F | N/A |
| 10/23 | 33 F | 54 F | 43 F | 2.62" | 27.88" | 13.30" | 130.30" | 21.6 F | N/A |
| 10/24 | 32 F | 54 F | 43 F | 2.72" | 27.98" | 14.00" | 131.00" | 21.9 F | N/A |
| 10/25 | 32 F | 54 F | 43 F | 2.81" | 28.07" | 14.70" | 131.70" | 22.3 F | N/A |
| 10/26 | 32 F | 53 F | 42 F | 2.90" | 28.16" | 15.50" | 132.50" | 22.6 F | N/A |
| 10/27 | 31 F | 53 F | 42 F | 2.99" | 28.25" | 16.20" | 133.20" | 22.9 F | N/A |
| 10/28 | 31 F | 53 F | 42 F | 3.07" | 28.33" | 17.00" | 134.00" | 23.3 F | N/A |
| 10/29 | 31 F | 52 F | 41 F | 3.15" | 28.41" | 17.80" | 134.80" | 23.6 F | N/A |
| 10/30 | 30 F | 52 F | 41 F | 3.24" | 28.50" | 18.50" | 135.50" | 23.9 F | N/A |
| 10/31 | 30 F | 52 F | 41 F | 3.32" | 28.58" | 19.30" | 136.30" | 24.2 F | N/A |
