Weather in Las Vegas, Nevada
Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—91°71°
- SundayMay 17Overcast—89°61°
- MondayMay 18Partly Cloudy—77°55°
- TuesdayMay 19Clear—82°58°
- WednesdayMay 20Overcast—87°59°
- ThursdayMay 21Clear—93°65°
- FridayMay 22Mostly Clear—96°66°
- PM 2.5
- 3.8 μg/m³
- PM 10
- 9.6 μg/m³
- NO₂
- 1.4 μg/m³
- Ozone
- 120.0 μg/m³
- UV Index
- 0.1 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 12:48 PM
- Moonset
- 3:12 AM
- In sign
- ♊︎ Gemini
Saguaro crowns open white
Las Vegas at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: March 24 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Las Vegas's warmest temperatures (~92°F mean) while December delivers the coldest (~47°F). Rainfall reaches its peak in February (0.8 inches) and drops to nearly nothing in June (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 49° | 0.7″ | 2 |
| February | 53° | 0.8″ | 2 |
| March | 60° | 0.5″ | 1 |
| April | 66° | 0.2″ | 1 |
| May | 76° | 0.1″ | 0 |
| June | 86° | 0.0″ | 0 |
| July | 92° | 0.1″ | 0 |
| August | 90° | 0.2″ | 1 |
| September | 82° | 0.2″ | 1 |
| October | 69° | 0.3″ | 1 |
| November | 56° | 0.3″ | 1 |
| December | 47° | 0.4″ | 1 |
Regional context
Las Vegas falls within a hot desert climate region — part of a group that shares similar temperature ranges, seasonal patterns, and growing conditions with nearby cities.
Similar climates: Henderson, NV, North Las Vegas, NV, Enterprise, NV, Spring Valley, NV, Sunrise Manor, NV.
Naturalist notes
Desert marigolds begin their spring bloom in late April as temperatures climb consistently above freezing.
Gambel's quail start their distinctive three-note calls in early May as breeding season begins.
Frequently asked
- When does it freeze in Las Vegas?
- Las Vegas's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Las Vegas?
- February is the wettest month with about 0.8 inches of rain on average; the city receives roughly 4 inches annually.
- What is the warmest month in Las Vegas?
- July is typically warmest, averaging about 92°F.
- What is the coldest month in Las Vegas?
- December is typically coldest, averaging about 47°F.
- When can I start a vegetable garden in Las Vegas?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Las Vegas get?
- Las Vegas averages about 10 rainy days per year.
- What hardiness zone is Las Vegas?
- Las Vegas's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Las Vegas, Nevada sits in a hot desert climate zone. Temperatures hover near 49°F in January while July averages 92°F — a 43°F seasonal swing.
Throughout the year, Las Vegas receives about 4 inches of precipitation spread over roughly 10 rainy days.
Local weather patterns follow the city's latitude (36.2°N), proximity to large water bodies, and elevation — factors that determine what grows here, when frost occurs, and daily weather conditions.