Greeley, CO weather in October
Greeley is mild and mostly dry in October, with some snow: highs average 68°F and nights drop to about 37°F. There are about 6 days with rain or snow. Snowfall averages about 3.3 in. A good month for most outdoor plans.
- Normal high
- 68°F
- Normal low
- 37°F
- Wet days
- 6
- 1.1 in total
- Snowfall
- 3.3 in
- snow on the ground 1 day
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 75°F | 61°F |
| Normal low | 43°F | 31°F |
| Chance of a wet day | 19% | 17% |
| Sunrise / sunset | 6:55 am / 6:41 pm | 7:27 am / 5:57 pm |
| Daylight | 11.8 h | 10.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical October day
- 6 am42°Fdew point 28°F
- 9 am52°Fdew point 30°F
- Noon61°Fdew point 28°F
- 3 pm63°Fdew point 27°F
- 6 pm53°Fdew point 29°F
- 9 pm47°Fdew point 29°F
NOAA hourly normals (local standard time) from Denver Intl Airport (41 mi away); average wind 10 mph; clear or few clouds in 46% of daytime hours, mostly cloudy or overcast in 38%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F15 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 snow6 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below9 of 31
- Snow on the groundsnow depth 1 in or more1 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 1.1 in; a dry October brings about 0.5 in and a wet one about 1.5 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 3.3 in, with about 1 day of an inch or more.
How October varies from year to year
- Warmest October, 1991-20202016: average high 76°F
- Coolest October2002: average high 60°F
- Wettest October2011: 2.5 in
- Driest October2003: 0.1 in
- Highest reading92°F (October 1, 2006)
- Lowest reading-2°F (October 27, 2020)
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 | 82°F | 68°F | 54°F |
| Normal low | 49°F | 37°F | 26°F |
| Wet days | 6 | 6 | 4 |
| Comfortable days | 9 | 15 | 8 |
| Daylight | 12.4 h | 11.1 h | 9.9 h |
Highs change by -14°F from September and -14°F into November.
Nearby alternatives in October
- Cooler: Estes Park, CO43 mi · high 57°F · 7 wet days
How Greeley ranks in October
- Normal high218th warmest of 378 cities; 2nd of 17 in Colorado
- Wet days98th driest of 378
- Comfortable days59th most of 340
What to pack for Greeley in October
- A warm jacket – lows near 37°F, highs near 68°F
- Layers – afternoons near 68°F but nights near 37°F
- Waterproof boots – about 3.3 in of snow in a typical year
Frost in October
The first fall frost typically comes around Oct 8; in 1 year in 10 it comes before Sep 26. All frost dates for Greeley.
Heating and cooling
October has 401 heating degree days and 4 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Greeley in October?
The normal high is 68°F and the normal low is 37°F. From 1991 to 2020 the coldest October reading was -2°F (October 27, 2020).
Does it rain a lot in Greeley in October?
About 6 days in October have at least 0.01 in of precipitation, and the normal total is 1.1 in. The wettest October in 1991-2020 was in 2011 (2.5 in); the driest was in 2003 (0.1 in).
Does it snow in Greeley in October?
Yes. Normal snowfall in October is 3.3 in, and snow covers the ground on about 1 day.
Is October a good time to visit Greeley?
October ranks 3rd of 12 months on our comfort score for Greeley (67 out of 100). It has about 15 comfortable days. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Greeley Unc (USC00053553), 1.6 mi SSE of the city center, 4,715 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Denver Intl Airport (USW00003017), 41 mi S of the city center, 5,414 ft (740 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Aurora Buckley Fld ANGB (USW00023036), 49 mi S of the city center, 5,663 ft (989 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Denver International Airport (725650-03017), 40 mi S of the city center, 5,404 ft (730 ft higher than the city). Hourly observations, 1991-2020.