Prospect Weather in December
Average highs run from 44°F on December 1 to 35°F on December 31, and lows from 26°F to 20°F. Normal precipitation for the month is 3.37 in over about 16 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 39°F
- Average low
- 23°F
- Precipitation
- 3.37 in
- Snowfall
- 6.8 in
- Record high
- 69°FDec 22, 2013
- Record low
- -5°FDec 23, 2022
- Chance of a freeze
- 100%
- Daylight
- 9 h 28 min to 9 h 17 min
- Cloud cover
- 80%
- Humidity
- 88%
- Dew point
- 26°F
- Wind
- 5.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 44°F | 26°F | 63°F 2014 | 18°F 2024 | 51% | 13% |
| Dec 2 | 43°F | 26°F | 59°F 2012 | 18°F 2024 | 51% | 14% |
| Dec 3 | 43°F | 26°F | 64°F 2018 | 22°F 2024 | 52% | 15% |
| Dec 4 | 43°F | 26°F | 60°F 2012 | 21°F 2024 | 52% | 15% |
| Dec 5 | 42°F | 26°F | 64°F 2012 | 10°F 2025 | 52% | 16% |
| Dec 6 | 42°F | 25°F | 59°F 2013 | 10°F 2025 | 52% | 16% |
| Dec 7 | 42°F | 25°F | 53°F 2021 | 21°F 2024 | 52% | 17% |
| Dec 8 | 41°F | 25°F | 58°F 2022 | 16°F 2013 | 52% | 17% |
| Dec 9 | 41°F | 25°F | 58°F 2023 | 10°F 2025 | 53% | 17% |
| Dec 10 | 41°F | 25°F | 57°F 2012 | 9°F 2025 | 53% | 18% |
| Dec 11 | 40°F | 24°F | 60°F 2021 | 17°F 2018 | 53% | 18% |
| Dec 12 | 40°F | 24°F | 62°F 2020 | 11°F 2013 | 53% | 19% |
| Dec 13 | 40°F | 24°F | 67°F 2015 | 14°F 2017 | 53% | 19% |
| Dec 14 | 39°F | 24°F | 67°F 2015 | 10°F 2013 | 53% | 20% |
| Dec 15 | 39°F | 24°F | 67°F 2015 | 9°F 2025 | 53% | 20% |
| Dec 16 | 39°F | 23°F | 57°F 2023 | 6°F 2016 | 54% | 21% |
| Dec 17 | 39°F | 23°F | 62°F 2021 | 9°F 2025 | 54% | 21% |
| Dec 18 | 38°F | 23°F | 52°F 2024 | 11°F 2019 | 54% | 22% |
| Dec 19 | 38°F | 23°F | 58°F 2025 | 5°F 2016 | 54% | 22% |
| Dec 20 | 38°F | 22°F | 54°F 2017 | 10°F 2019 | 54% | 22% |
| Dec 21 | 38°F | 22°F | 58°F 2011 | 11°F 2016 | 54% | 23% |
| Dec 22 | 37°F | 22°F | 69°F 2013 | 14°F 2019 | 54% | 23% |
| Dec 23 | 37°F | 22°F | 62°F 2013 | -5°F 2022 | 54% | 24% |
| Dec 24 | 37°F | 22°F | 62°F 2015 | -2°F 2022 | 54% | 24% |
| Dec 25 | 37°F | 21°F | 62°F 2015 | 7°F 2022 | 54% | 25% |
| Dec 26 | 36°F | 21°F | 59°F 2023 | 7°F 2022 | 54% | 25% |
| Dec 27 | 36°F | 21°F | 64°F 2016 | 8°F 2017 | 55% | 25% |
| Dec 28 | 36°F | 21°F | 62°F 2024 | 2°F 2017 | 55% | 26% |
| Dec 29 | 36°F | 20°F | 63°F 2025 | 3°F 2017 | 55% | 26% |
| Dec 30 | 36°F | 20°F | 66°F 2022 | 13°F 2017 | 55% | 27% |
| Dec 31 | 35°F | 20°F | 58°F 2019 | 0°F 2017 | 55% | 27% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:25 AM, sunset 4:53 PM
- December 31
- sunrise 7:45 AM, sunset 5:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00361139 (Butler 2 Sw), public domain. Records: NOAA GHCN-Daily, station USC00360475, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.