Littleton, CO Weather & Climate Normals
What a normal year in Littleton actually looks like
On the 30-year record NOAA keeps for Littleton, CO, the comfort score comes out to 47/100, 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 Littleton's weather actually swings
Average temperatures in Littleton run from 33°F in Jan up to 73°F in Jul, a 40.4°F seasonal swing, a middling gap by national standards.
Littleton, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 46°F | 19°F | 0.48in | 6.3in |
| Feb | 47°F | 20°F | 0.67in | 6.2in |
| Mar | 55°F | 28°F | 1.19in | 5.4in |
| Apr | 60°F | 35°F | 2.07in | 4.1in |
| May | 69°F | 44°F | 2.73in | 0.8in |
| Jun | 81°F | 53°F | 1.87in | 0in |
| Jul | 86°F | 60°F | 2.05in | 0in |
| Aug | 85°F | 58°F | 1.85in | 0in |
| Sep | 77°F | 49°F | 1.26in | 0in |
| Oct | 64°F | 37°F | 1.04in | 1.7in |
| Nov | 53°F | 28°F | 0.74in | 3.7in |
| Dec | 45°F | 20°F | 0.61in | 5.9in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Littleton's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Littleton actually gets
Over a typical year, Littleton sees about 16.56in of precipitation a year across roughly 74 days with measurable rain or snow, with 34.1in of snow a year.
Littleton against the rest of the country
Out of 4876 cities scored here, Littleton comes in at 2579; within CO alone it ranks 17 of 79. Population is about 44,879.
Checking the actual forecast
These figures come from Marston Fltr Plt, CO US, the NOAA station 3.2 miles from Littleton, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated