SeasonMapLas Vegas vs San Diego: which is better, month by month
San Diego beats Las Vegas in 5 of 12 months — its lead peaks in July (92 vs 31) — while Las Vegas wins February, March, April and November; they are within 3 points in January, October and December.
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Las Vegas vs San Diego — all 12 months
| Month | Las Vegas | San Diego | Winner | Gap |
|---|---|---|---|---|
| January | 71Bcool, dry, clean air | 70Bnice, a little rain, muggy air | Tie | 1 |
| February | 81Acool, dry, clean air | 74Bnice, a little rain | Las Vegas | 7 |
| March | 94Snice, dry, clean air | 78Bnice, a little rain, muggy air | Las Vegas | 16 |
| April | 92Swarm, dry, clean air | 83Anice, dry, muggy air | Las Vegas | 9 |
| May | 78Bhot, dry | 85Anice, dry, clean air | San Diego | 7 |
| June | 46Fsweltering, dry | 87Awarm, dry, clean air | San Diego | 41 |
| July | 31Fsweltering, dry | 92Swarm, dry, muggy air | San Diego | 61 |
| August | 40Fsweltering, dry, clean air | 93Shot, dry, muggy air | San Diego | 53 |
| September | 61Csweltering, dry, clean air | 91Swarm, dry, muggy air | San Diego | 30 |
| October | 89Awarm, dry, clean air | 89Awarm, dry | Tie | 0 |
| November | 86Anice, dry, clean air | 79Bnice, dry | Las Vegas | 7 |
| December | 73Bcool, dry, clean air | 71Bnice, a little rain, muggy air | Tie | 2 |
A month is a tie when the two are within 3 points. The widest gap is July (31 vs 92). Tap a month for that month's temperature, rain, humidity and air quality side by side.