Frederick, CO Weather & Climate Normals
What a normal year in Frederick actually looks like
On the 30-year record NOAA keeps for Frederick, CO, the comfort score comes out to 50/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Frederick's weather actually swings
Average temperatures in Frederick run from 30°F in Jan up to 73°F in Jul, a 43.6°F seasonal swing, a middling gap by national standards.
Frederick, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 45°F | 14°F | 0.56in |
| Feb | 47°F | 17°F | 0.57in |
| Mar | 57°F | 26°F | 1.17in |
| Apr | 63°F | 32°F | 2.04in |
| May | 73°F | 41°F | 1.97in |
| Jun | 84°F | 51°F | 1.75in |
| Jul | 91°F | 55°F | 1.69in |
| Aug | 88°F | 54°F | 1.95in |
| Sep | 80°F | 46°F | 1.26in |
| Oct | 66°F | 33°F | 1.04in |
| Nov | 54°F | 24°F | 0.75in |
| Dec | 45°F | 15°F | 0.46in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Frederick's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Frederick actually gets
Frederick averages 15.21in of precipitation a year across roughly 72 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Frederick against the rest of the country
Out of 4876 cities scored here, Frederick comes in at 1751; within CO alone it ranks 10 of 79. Population is about 17,937.
Checking the actual forecast
These figures come from Longmont 2 Ese, CO US, the NOAA station 7.0 miles from Frederick, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is