Weather in Henderson, Nevada
Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—91°74°
- SundayMay 17Overcast—90°63°
- MondayMay 18Overcast—77°55°
- TuesdayMay 19Clear—82°64°
- WednesdayMay 20Overcast—88°69°
- ThursdayMay 21Overcast—94°74°
- FridayMay 22Clear—97°74°
- PM 2.5
- 4.8 μg/m³
- PM 10
- 14.3 μg/m³
- NO₂
- 2.2 μg/m³
- Ozone
- 123.0 μg/m³
- UV Index
- 0.1 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 12:47 PM
- Moonset
- 3:11 AM
- In sign
- ♊︎ Gemini
Saguaro crowns open white
Henderson at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 23 (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 Henderson's warmest temperatures (~93°F mean) while December delivers the coldest (~48°F). Rainfall reaches its peak in February (0.8 inches) and drops to nothing in June (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 50° | 0.6″ | 2 |
| February | 54° | 0.8″ | 2 |
| March | 61° | 0.4″ | 1 |
| April | 68° | 0.2″ | 1 |
| May | 77° | 0.1″ | 0 |
| June | 88° | 0.0″ | 0 |
| July | 93° | 0.4″ | 1 |
| August | 92° | 0.3″ | 1 |
| September | 84° | 0.3″ | 1 |
| October | 70° | 0.3″ | 1 |
| November | 57° | 0.3″ | 1 |
| December | 48° | 0.5″ | 1 |
Regional context
Henderson falls within a hot desert climate region. This classification groups together nearby cities that share similar temperature ranges, seasonal patterns, and growing conditions.
Similar climates: Las Vegas, NV, North Las Vegas, NV, Enterprise, NV, Spring Valley, NV, Sunrise Manor, NV.
Naturalist notes
Late April brings the desert willow's first blooms, their orchid-like flowers appearing as spring temperatures climb past the frost line.
Cactus wrens begin their peak nesting season in May, their chattering calls echoing from cholla and palo verde as pairs defend territory.
Frequently asked
- When does it freeze in Henderson?
- Henderson's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Henderson?
- 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 Henderson?
- July is typically warmest, averaging about 93°F.
- What is the coldest month in Henderson?
- December is typically coldest, averaging about 48°F.
- When can I start a vegetable garden in Henderson?
- 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 Henderson get?
- Henderson averages about 11 rainy days per year.
- What hardiness zone is Henderson?
- Henderson'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
Henderson, Nevada experiences a hot desert climate. January temperatures hover near 50°F while July averages 93°F — a 44°F seasonal swing.
Throughout the year, Henderson receives about 4 inches of precipitation spread over roughly 11 rainy days.
Latitude (36.0°N), proximity to large water bodies, and elevation determine the rhythm of the year. These factors shape what grows here, when frost is likely, and what the weather story looks like day to day.