Sierra Vista, AZ Weather & Climate Normals
What a normal year in Sierra Vista actually looks like
On the 30-year record NOAA keeps for Sierra Vista, AZ, the comfort score comes out to 48/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Sierra Vista's weather actually swings
Average temperatures in Sierra Vista run from 45°F in Jan up to 77°F in Jul, a 31.6°F seasonal swing, a middling gap by national standards.
Sierra Vista, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 61°F | 30°F | 0.78in | 0.4in |
| Feb | 64°F | 33°F | 0.64in | 0in |
| Mar | 71°F | 38°F | 0.48in | 0in |
| Apr | 78°F | 43°F | 0.25in | 0in |
| May | 85°F | 50°F | 0.2in | 0in |
| Jun | 94°F | 60°F | 0.54in | 0in |
| Jul | 92°F | 63°F | 3.53in | 0in |
| Aug | 90°F | 62°F | 3.31in | 0in |
| Sep | 87°F | 57°F | 1.31in | 0in |
| Oct | 80°F | 47°F | 0.59in | 0in |
| Nov | 70°F | 37°F | 0.53in | 0in |
| Dec | 62°F | 30°F | 0.85in | 0in |
If you're timing a visit, Apr, May, Sep, and Oct are Sierra Vista's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Sierra Vista actually gets
Over a typical year, Sierra Vista sees about 13.01in of precipitation a year across roughly 51 days with measurable rain or snow, with 0.4in of snow a year.
Sierra Vista against the rest of the country
Out of 4876 cities scored here, Sierra Vista comes in at 2318; within AZ alone it ranks 39 of 57. Population is about 44,710.
Checking the actual forecast
These figures come from Sierra Vista, AZ US, the NOAA station 2.8 miles from Sierra Vista, 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