May weather forecast
Las Cruces, NM

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The lovely hilly countryside in Las Cruces, New Mexico
The lovely hilly countryside in Las Cruces, New Mexico

Weather in May

Warm weather takes full command in May in Las Cruces. The city finds itself under the influence of temperature values from 59.4°F (15.2°C) on the lower end to as high as 83.5°F (28.6°C). While there is an uptick in the amount of rainfall, it is insufficient to alter the predominantly dry climate of the region. The month of May is indeed the advent of the uninhibited sunshine and warmth typical of the Southwestern United States.

Temperature

As April transitions into May, Las Cruces notices a gentle rise in the average high-temperature, transitioning from 76.3°F (24.6°C) to a still warm 83.5°F (28.6°C). Contrasted against daytime highs, Las Cruces records an average nighttime low of 59.4°F (15.2°C) in May.

Humidity

The months with the lowest humidity are April and May, with an average relative humidity of 22%.

Rainfall

In Las Cruces, in May, it is raining for 2.8 days, with typically 0.31" (8mm) of accumulated precipitation. In Las Cruces, during the entire year, the rain falls for 84.4 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

In Las Cruces, snow does not fall in March through October.

Daylight

The average length of the day in May in Las Cruces is 13h and 50min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:48 pm. On the last day of May, in Las Cruces, sunrise is at 6:00 am and sunset at 8:08 pm MDT.

Sunshine

The average sunshine in May is 11.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in May transforms into this advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

The high-temperature during May is 83.5°F (28.6°C) and the low-temperature is 59.4°F (15.2°C).

What is the least humid month?

April and May, with an average relative humidity of 22%, are the least humid months.

What is the average humidity in May?

In Las Cruces, the average relative humidity in May is 22%.

How much does it rain in May?

In Las Cruces, New Mexico, in May, during 2.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

When it does not snow?

In Las Cruces, snow does not fall in March through October.

What is the average length of the day in May?

In Las Cruces, the average day length in May is 13h and 50min.

What time are sunrise and sunset in May in Las Cruces?

On the first day of May, sunrise is at 6:19 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:08 pm MDT.

How long on average sun shines in May?

In May, the average sunshine duration is 11.8h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

How high is the UV index in May?

In Las Cruces, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Las Cruces, NM

Average temperature in May - Las Cruces, NM
  • Average high temperature in May: 83.5°F

The warmest month (with the highest average high temperature) is June (93.9°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in May: 59.4°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in May
Las Cruces, NM

Average pressure in May - Las Cruces, NM
  • Average pressure in May: 29.85"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Las Cruces, NM

Average wind speed in May - Las Cruces, NM
  • Average wind speed in May: 9.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6mph).

Average humidity in May
Las Cruces, NM

Average humidity in May - Las Cruces, NM
  • Average humidity in May: 22%

The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are April and May (22%).

Average rainfall in May
Las Cruces, NM

Average rainfall in May - Las Cruces, NM
  • Average rainfall in May: 0.31"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is April (0.12").

Average rainfall days in May
Las Cruces, NM

Average rainfall days in May - Las Cruces, NM
  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.8 days).

Average snowfall in May
Las Cruces, NM

Average snowfall in May - Las Cruces, NM
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.67").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in May
Las Cruces, NM

Average snowfall days in May - Las Cruces, NM
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Las Cruces, NM

Average daylight in May / Average sunshine in May - Las Cruces, NM
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in May
Las Cruces, NM

Average sunshine days in May - Las Cruces, NM
  • Average sunshine days in May: 26.2 days

The months with the most sunshine days are January and April (26.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in May
Las Cruces, NM

Average UV index in May - Las Cruces, NM
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in May
Las Cruces, NM

Average cloud cover in May - Las Cruces, NM
  • Average cloud cover in May: 8

The months with the most cloud cover are July and December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

Average visibility in May
Las Cruces, NM

Average visibility in May - Las Cruces, NM
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Las Cruces, New Mexico, USA

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