Sister Bay, WI weather in October
October in Sister Bay: cool, with frequent rain. Highs 55°F, lows 40°F, rain on about 12 days.
- Normal high
- 55°F
- Normal low
- 40°F
- Wet days
- 12
- 3.6 in total
- Daylight
- 10.9 h
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 61°F | 49°F |
| Normal low | 45°F | 34°F |
| Chance of a wet day | 37% | 35% |
| Sunrise / sunset | 6:46 am / 6:29 pm | 7:26 am / 5:38 pm |
| Daylight | 11.7 h | 10.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)3 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)0 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below3 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 3.6 in; a dry October brings about 2.3 in and a wet one about 4.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.
How October varies from year to year
- Warmest October, 1991-20202007: average high 60°F
- Coolest October2002: average high 47°F
- Wettest October2009: 7.5 in
- Driest October2000: 1.0 in
- Highest reading77°F (October 2, 1992)
- Lowest reading22°F (October 28, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 68°F | 55°F | 42°F |
| Normal low | 51°F | 40°F | 29°F |
| Wet days | 10 | 12 | 9 |
| Comfortable days | 19 | 3 | 0 |
| Daylight | 12.5 h | 10.9 h | 9.6 h |
Highs change by -13°F from September and -13°F into November.
Nearby alternatives in October
- Warmer: Milwaukee, WI153 mi · high 61°F · 10 wet days
How Sister Bay ranks in October
- Normal high361st warmest of 378 cities; 5th of 5 in Wisconsin
- Wet days331st driest of 378
What to pack for Sister Bay in October
- A warm jacket – lows near 40°F, highs near 55°F
- A rain jacket or umbrella – rain on about 12 days
Frost in October
The first fall frost typically comes around Oct 18; in 1 year in 10 it comes before Oct 1. All frost dates for Sister Bay.
Heating and cooling
October has 551 heating degree days and 0 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How cold is Sister Bay in October?
The normal high is 55°F and the normal low is 40°F. From 1991 to 2020 the coldest October reading was 22°F (most recently on October 28, 1997).
Does it rain a lot in Sister Bay in October?
About 12 days in October have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest October in 1991-2020 was in 2009 (7.5 in); the driest was in 2000 (1.0 in).
Does it snow in Sister Bay in October?
Yes. Normal snowfall in October is 0.2 in.
Is October a good time to visit Sister Bay?
October ranks 6th of 12 months on our comfort score for Sister Bay (48 out of 100). It has about 3 comfortable days (judged by temperature only). The best months are June, July and August.
Where the numbers come from
- Temperature, rain and snowfall: Washington Is (USC00478905), 16 mi NE of the city center, 686 ft (73 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Sturgeon Bay Exp Farm (USC00478267), 24 mi SSW of the city center, 699 ft (86 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Ephraim 1NE-Wwtp (USC00472626), 2.0 mi SW of the city center, 733 ft (120 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).