Las Vegas vs Phoenix: climate compared
Las Vegas, Nevada and Phoenix, Arizona, both measured the same way — 1991–2020 climate normals — so the numbers can be compared directly. This page compares the climate records only; neither city is scored against anyone’s preferences here.
The main differences
- Phoenix’s warmest month is 1.4°F (0.8°C) warmer than Las Vegas’s (107.6°F (42°C) against 106.2°F (41.2°C) average highs).
- Winter nights are 5.6°F (3.1°C) milder in Phoenix: its coldest month averages lows of 42.3°F (5.7°C), against 36.7°F (2.6°C) in Las Vegas.
- Summers are more humid in Phoenix: its most humid month peaks at a dew point of 57°F (14°C) (noticeably humid), against 43°F (6°C) in Las Vegas.
At a glance
| Measure | Las Vegas | Phoenix |
|---|---|---|
| Warmest-month high | 106°F (41°C) | 108°F (42°C) |
| Coldest-month high | 58°F (15°C) | 69°F (20°C) |
| Coldest-month low | 37°F (3°C) | 42°F (6°C) |
| Gap between warmest and coldest month | 48.1°F (26.7°C) | 38.9°F (21.6°C) |
| Most humid month (dew point) | 43°F (6°C)very dry | 57°F (14°C)noticeably humid |
| Rain a year | 4.1 in (103 mm) | 6.7 in (170 mm) |
| Wet days a year | 17 | 22 |
| Sunshine, hours a day | 9.0 | 8.9 |
| Snow a year | 2.3 in (5.9 cm) | 0 in (0 cm) |
| Days above 90°F (32°C) | 142 | 181 |
| Freezing nights a year | 15 | 2 |
Temperature through the year
Average daily highs and lows by month, on one shared scale.
Month by month
| Month | Las Vegas high / low | Phoenix high / low | Las Vegas wet days | Phoenix wet days |
|---|---|---|---|---|
| January | 60°F (15°C) / 38°F (4°C) | 70°F (21°C) / 43°F (6°C) | 3 | 3 |
| February | 64°F (18°C) / 42°F (5°C) | 73°F (23°C) / 46°F (8°C) | 3 | 3 |
| March | 73°F (23°C) / 48°F (9°C) | 80°F (26°C) / 50°F (10°C) | 2 | 2 |
| April | 80°F (27°C) / 54°F (12°C) | 88°F (31°C) / 56°F (13°C) | 1 | 1 |
| May | 90°F (32°C) / 64°F (18°C) | 96°F (36°C) / 65°F (18°C) | 1 | 1 |
| June | 101°F (38°C) / 73°F (23°C) | 106°F (41°C) / 74°F (23°C) | 0 | 0 |
| July | 106°F (41°C) / 79°F (26°C) | 108°F (42°C) / 80°F (27°C) | 2 | 3 |
| August | 104°F (40°C) / 78°F (25°C) | 107°F (41°C) / 80°F (27°C) | 2 | 2 |
| September | 96°F (36°C) / 69°F (21°C) | 101°F (39°C) / 74°F (23°C) | 1 | 2 |
| October | 83°F (28°C) / 57°F (14°C) | 91°F (33°C) / 61°F (16°C) | 1 | 2 |
| November | 69°F (20°C) / 45°F (7°C) | 78°F (26°C) / 49°F (10°C) | 1 | 2 |
| December | 58°F (15°C) / 37°F (3°C) | 69°F (20°C) / 42°F (6°C) | 2 | 3 |
Averages for a typical year, not a forecast for any particular one. Methodology
Which would suit you?
Score both against your own preferences, or read each city’s full record.
Las Vegas vs Phoenix climate: weather compared month by month