How warm is it in Las Vegas in May?

Daytime highs averaged 32.2 °C, night-time lows 15.9 °C. The highest value of the past 10 years was 42.6 °C (28 May 2020), the lowest 7.7 °C (11 May 2022).

How often does it rain in Las Vegas in May?

On average there were 1.2 rain days (at least 1 mm) with 5.7 mm of precipitation in total. In 5 of 10 years there was no rain day at all.

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Las Vegas weather in May: temperature & rain

Photo: Dietmar Rabich · CC BY-SA 4.0

🇺🇸 Weather in Las Vegas in May

This is what the weather in Las Vegas (Nevada, USA) was like in May over the years 2017–2026.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

32.2 °C

27.3 °C – 33.7 °C

Avg. night-time low

15.9 °C

12.9 °C – 17.2 °C

Avg. rain days in period

1.2

4 % of days · ≥ 1.0 mm

Avg. precipitation in period

5.7 mm

0.0 mm – 26.3 mm

Avg. cloud cover

35 %

This data source has no sunshine hours – average cloud cover is shown instead.

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 42.6 °C (28 May 2020) · Lowest temperature 7.7 °C (11 May 2022) · Avg. daily peak wind 24 km/h

Weather mix of all days

157Sunny
120Partly cloudy
21Cloudy
10Light rain
2Rain

Summary

On average 32.2 °C during the day and 15.9 °C at night.
On average 1.2 rain days (Rain day = at least 1.0 mm of precipitation) with 5.7 mm of precipitation in total.
In 5 of 10 years there was not a single rain day.
Prevailing weather: Sunny.
Warmest year: 2020 (avg. 33.7 °C), coolest: 2019 (avg. 27.3 °C).
Wettest year: 2019 (26.3 mm), driest: 2022 (0.0 mm).
Extremes: 42.6 °C on 28 May 2020 and 7.7 °C on 11 May 2022.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max33.3°Avg. min16.5°
Rain days
0 Rain days
Precipitation
1.0 mm
Avg. cloud cover
28 % cloudy
Sea temperature
–
Max 41.2 °C · Min 10.2 °C
2025
Avg. max32.7°Avg. min17.2°
Rain days
3 Rain days
Precipitation
16.6 mm
Avg. cloud cover
39 % cloudy
Sea temperature
–
Max 42.0 °C · Min 11.9 °C
2024
Avg. max32.9°Avg. min16.1°
Rain days
0 Rain days
Precipitation
0.1 mm
Avg. cloud cover
24 % cloudy
Sea temperature
–
Max 39.5 °C · Min 8.2 °C
2023
Avg. max32.3°Avg. min16.3°
Rain days
1 Rain days
Precipitation
3.4 mm
Avg. cloud cover
43 % cloudy
Sea temperature
–
Max 36.9 °C · Min 10.4 °C
2022
Avg. max32.6°Avg. min15.5°
Rain days
0 Rain days
Precipitation
0.0 mm
Avg. cloud cover
34 % cloudy
Sea temperature
–
Max 39.3 °C · Min 7.7 °C
2021
Avg. max33.0°Avg. min16.3°
Rain days
0 Rain days
Precipitation
0.7 mm
Avg. cloud cover
35 % cloudy
Sea temperature
–
Max 38.3 °C · Min 8.0 °C
2020
Avg. max33.7°Avg. min16.6°
Rain days
0 Rain days
Precipitation
0.8 mm
Avg. cloud cover
41 % cloudy
Sea temperature
–
Max 42.6 °C · Min 10.6 °C
2019
Avg. max27.3°Avg. min12.9°
Rain days
5 Rain days
Precipitation
26.3 mm
Avg. cloud cover
44 % cloudy
Sea temperature
–
Max 33.9 °C · Min 8.4 °C
2018
Avg. max32.4°Avg. min16.8°
Rain days
2 Rain days
Precipitation
6.2 mm
Avg. cloud cover
35 % cloudy
Sea temperature
–
Max 40.2 °C · Min 9.7 °C
2017
Avg. max32.1°Avg. min15.3°
Rain days
1 Rain days
Precipitation
2.1 mm
Avg. cloud cover
24 % cloudy
Sea temperature
–
Max 40.3 °C · Min 8.8 °C

Frequently asked questions

How warm is it in Las Vegas in May?: Daytime highs averaged 32.2 °C, night-time lows 15.9 °C. The highest value of the past 10 years was 42.6 °C (28 May 2020), the lowest 7.7 °C (11 May 2022).
How often does it rain in Las Vegas in May?: On average there were 1.2 rain days (at least 1 mm) with 5.7 mm of precipitation in total. In 5 of 10 years there was no rain day at all.

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. Snow depth is the model value for the grid cell, not the depth on the slopes. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)