Upland, CA Weather & Climate Normals
Upland's real weather, in one number
Upland, CA scores 75/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 9 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Upland's hottest and coldest months
Upland's hottest month is Aug, averaging 80°F; its coldest is Dec, averaging 55°F, a 24.8°F swing across the year, a middling gap by national standards.
Upland's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 68°F | 45°F | 2.57in |
| Feb | 68°F | 46°F | 3.07in |
| Mar | 72°F | 49°F | 1.64in |
| Apr | 76°F | 51°F | 0.76in |
| May | 80°F | 56°F | 0.3in |
| Jun | 86°F | 60°F | 0.02in |
| Jul | 94°F | 65°F | 0.05in |
| Aug | 95°F | 65°F | 0.03in |
| Sep | 91°F | 64°F | 0.1in |
| Oct | 83°F | 57°F | 0.41in |
| Nov | 75°F | 49°F | 0.8in |
| Dec | 67°F | 44°F | 1.89in |
most of the year (9 of 12 months) are the best time to see Upland at its mildest; the rest of the year, plan around Aug's heat.
Rain and snow in Upland
Over a typical year, Upland sees about 11.64in of precipitation a year across roughly 36 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Upland ranks
Upland ranks 217 of 4876 US cities in this dataset for comfort score, and 217 of 429 within CA. About 79,684 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Ontario Intl Ap, CA US, 5.4 miles from Upland, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is