Climateby Month

Galena, IL weather in October

NOAA 1991-2020 normals and daily records · Galena all year

In October, Galena sees highs around 63°F and lows around 41°F: cool, with some rain. Rain falls on about 9 days.

Normal high
63°F
Normal low
41°F
Wet days
9
3.0 in total
Muggy days
0
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high70°F55°F
Normal low46°F35°F
Chance of a wet day30%29%
Sunrise / sunset6:58 am / 6:43 pm7:33 am / 5:56 pm
Daylight11.8 h10.4 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical October day

  1. 6 am44°Fdew point 39°F
  2. 9 am50°Fdew point 41°F
  3. Noon56°Fdew point 41°F
  4. 3 pm58°Fdew point 41°F
  5. 6 pm52°Fdew point 41°F
  6. 9 pm48°Fdew point 40°F

NOAA hourly normals (local standard time) from Dubuque Rgnl Airport (14 mi away); average wind 10 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below7 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 3.0 in; a dry October brings about 1.8 in and a wet one about 3.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.4 in.

How October varies from year to year

  • Warmest October, 1991-20202007: average high 67°F
  • Coolest October2009: average high 55°F
  • Wettest October2018: 6.4 in
  • Driest October1994: 0.6 in
  • Highest reading95°F (October 4, 1997)
  • Lowest reading19°F (October 20, 1992)

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

SeptemberOctoberNovember
Normal high76°F63°F47°F
Normal low52°F41°F29°F
Wet days998
Comfortable days14112
Daylight12.5 h11.1 h9.8 h

Highs change by -13°F from September and -16°F into November.

How Galena ranks in October

  • Normal high290th warmest of 378 cities; 7th of 8 in Illinois
  • Wet days260th driest of 378
  • Comfortable days194th most of 340

What to pack for Galena in October

  • A rain jacket or umbrella – rain on about 9 days

Frost in October

The first fall frost typically comes around Oct 16; in 1 year in 10 it comes before Oct 1. All frost dates for Galena.

Heating and cooling

October has 423 heating degree days and 10 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How cold is Galena in October?

The normal high is 63°F and the normal low is 41°F. From 1991 to 2020 the coldest October reading was 19°F (most recently on October 20, 1992).

Does it rain a lot in Galena in October?

About 9 days in October have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest October in 1991-2020 was in 2018 (6.4 in); the driest was in 1994 (0.6 in).

Does it snow in Galena in October?

Yes. Normal snowfall in October is 0.4 in.

Is October a good time to visit Galena?

October ranks 6th of 12 months on our comfort score for Galena (59 out of 100). It has about 11 comfortable days. The best month is May.

Where the numbers come from

  • Temperature and frost dates: Bellevue L&D 12 (USC00130608), 11 mi S of the city center, 603 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall and snow depth: Galena (USC00113312), 2.5 mi ESE of the city center, 822 ft (190 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Dubuque Rgnl Airport (USW00094908), 14 mi W of the city center, 1,056 ft (424 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Dubuque Regional Airport (725470-94908), 14 mi W of the city center, 1,040 ft (408 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).