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What is Union Center, SD, Weather Like in October?
During the month of October, Union Center, 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, Union Center receives around 32.20 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 24, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 63.6 F
(+1.2 vs avg)
Average Low: 39.4 F
(+6.2 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_F5138
Union Center, SD Daily Weather Averages for October
Recorded at Red Owl
(usc00397073),
5.2 miles
ESE of
Union Center, 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 |
