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What is Mount Vernon Post Office, IA, Weather Like in October?
During the month of October, Mount Vernon Post Office, IA,
has an average daytime high temperature of 62°F and an average overnight low temperature dropping to 40°F.
Around 3.12 inches of precipitation is received during the month,
with about 35.34 inches falling in a typical year.
Snow is not common in Mount Vernon Post Office, IA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 19, 2025)
Actual High
Average High
Actual Low
Average Low
Actual data from: MID_RCRI4
Mount Vernon Post Office, IA Daily Weather Averages for October
Recorded at Anamosa 3 Ssw
(usc00130214),
12.3 miles
NNE of
Mount Vernon Post Office, IA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 46 F | 70 F | 58 F | 0.13" | 32.35" | N/A | N/A | 8 F | 0.5 F |
| 10/2 | 45 F | 69 F | 57 F | 0.26" | 32.48" | N/A | N/A | 8.3 F | 0.5 F |
| 10/3 | 45 F | 69 F | 57 F | 0.38" | 32.60" | N/A | N/A | 8.7 F | 0.4 F |
| 10/4 | 45 F | 68 F | 56 F | 0.49" | 32.71" | N/A | N/A | 9.1 F | 0.4 F |
| 10/5 | 44 F | 68 F | 56 F | 0.60" | 32.82" | N/A | N/A | 9.5 F | 0.4 F |
| 10/6 | 44 F | 67 F | 56 F | 0.70" | 32.92" | N/A | N/A | 9.9 F | 0.3 F |
| 10/7 | 43 F | 67 F | 55 F | 0.80" | 33.02" | N/A | N/A | 10.3 F | 0.3 F |
| 10/8 | 43 F | 66 F | 55 F | 0.90" | 33.12" | N/A | N/A | 10.7 F | 0.3 F |
| 10/9 | 43 F | 66 F | 54 F | 1.00" | 33.22" | N/A | N/A | 11.1 F | 0.2 F |
| 10/10 | 42 F | 65 F | 54 F | 1.11" | 33.33" | N/A | N/A | 11.6 F | 0.2 F |
| 10/11 | 42 F | 65 F | 53 F | 1.22" | 33.44" | N/A | N/A | 12 F | 0.2 F |
| 10/12 | 41 F | 64 F | 53 F | 1.32" | 33.54" | N/A | N/A | 12.4 F | 0.2 F |
| 10/13 | 41 F | 64 F | 52 F | 1.43" | 33.65" | N/A | N/A | 12.9 F | 0.1 F |
| 10/14 | 41 F | 63 F | 52 F | 1.53" | 33.75" | N/A | N/A | 13.3 F | 0.1 F |
| 10/15 | 40 F | 62 F | 51 F | 1.64" | 33.86" | N/A | N/A | 13.8 F | 0.1 F |
| 10/16 | 40 F | 62 F | 51 F | 1.74" | 33.96" | N/A | N/A | 14.3 F | 0.1 F |
| 10/17 | 39 F | 61 F | 50 F | 1.84" | 34.06" | N/A | N/A | 14.8 F | 0.1 F |
| 10/18 | 39 F | 61 F | 50 F | 1.93" | 34.15" | N/A | N/A | 15.2 F | 0.1 F |
| 10/19 | 39 F | 60 F | 49 F | 2.03" | 34.25" | N/A | N/A | 15.7 F | 0.1 F |
| 10/20 | 38 F | 60 F | 49 F | 2.13" | 34.35" | N/A | N/A | 16.2 F | 0.1 F |
| 10/21 | 38 F | 59 F | 49 F | 2.22" | 34.44" | N/A | N/A | 16.7 F | 0.1 F |
| 10/22 | 37 F | 59 F | 48 F | 2.32" | 34.54" | N/A | N/A | 17.1 F | 0.1 F |
| 10/23 | 37 F | 58 F | 48 F | 2.42" | 34.64" | N/A | N/A | 17.6 F | 0.1 F |
| 10/24 | 36 F | 58 F | 47 F | 2.51" | 34.73" | N/A | N/A | 18.1 F | 0.1 F |
| 10/25 | 36 F | 57 F | 47 F | 2.61" | 34.83" | N/A | N/A | 18.5 F | 0.1 F |
| 10/26 | 36 F | 57 F | 46 F | 2.70" | 34.92" | N/A | N/A | 19 F | 0.1 F |
| 10/27 | 35 F | 56 F | 46 F | 2.79" | 35.01" | N/A | N/A | 19.4 F | 0.1 F |
| 10/28 | 35 F | 56 F | 45 F | 2.88" | 35.10" | N/A | N/A | 19.9 F | 0.1 F |
| 10/29 | 34 F | 55 F | 45 F | 2.96" | 35.18" | N/A | N/A | 20.3 F | N/A |
| 10/30 | 34 F | 55 F | 44 F | 3.04" | 35.26" | N/A | N/A | 20.8 F | N/A |
| 10/31 | 34 F | 54 F | 44 F | 3.12" | 35.34" | N/A | N/A | 21.2 F | N/A |
Weather data provided by Xweather
