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

The commencement of May in Las Cruces sees a minor shift in the average high-temperature, moving from a warm 76.3°F (24.6°C) in April to a still moderately hot 83.5°F (28.6°C). With a significant temperature contrast, nighttime temperatures hover around an average low of 59.4°F (15.2°C) in May.

Humidity

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

Rainfall

In Las Cruces, New Mexico, 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

March through October are months without snowfall.

Daylight

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

Sunshine

In May, the average sunshine is 11.8h.

UV index

The months with the highest UV index in Las Cruces are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

Is it hot in Las Cruces during May?

The high-temperature, in May, in Las Cruces, is 83.5°F (28.6°C), while the low-temperature averages to 59.4°F (15.2°C).

What are the least humid months in Las Cruces?

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

What is the average humidity in May in Las Cruces?

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

How much does it rain in Las Cruces in May?

In Las Cruces, New Mexico, during May, the rain falls for 2.8 days and regularly aggregates up to 0.31" (8mm) of precipitation.

When it does not snow in Las Cruces?

March through October are months without snowfall in Las Cruces.

How many hours of daylight does Las Cruces have in May?

The average day length in May in Las Cruces is 13h and 50min.

When are sunrise and sunset in May in Las Cruces?

In May, on the first day of the month, 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 Las Cruces?

In Las Cruces, the average sunshine duration in May is 11.8h.

When is the highest UV index in Las Cruces?

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

How high is the UV index in May in Las Cruces?

In Las Cruces, New Mexico, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
76.3°F 24.6°C
83.5°F 28.6°C
93.9°F 34.4°C
Average low temperature
52.7°F 11.5°C
59.4°F 15.2°C
70.9°F 21.6°C
Average pressure
29.87" 759mmHg
29.85" 758mmHg
29.83" 758mmHg
Average wind speed
10.6mph 17.1km/h
9.9mph 15.9km/h
8.5mph 13.7km/h
Average max. wind speed
11.8mph 19km/h
11mph 17.7km/h
9.7mph 15.6km/h
Average wind speed gusts
15.5mph 24.9km/h
14.6mph 23.5km/h
12.7mph 20.4km/h
Average humidity
22%
22%
24%
Average rainfall
0.12" 3mm
0.31" 8mm
0.59" 15mm
Average rainfall days
3.1
2.8
8.3
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average daylight
13h 0min
13h 5min
14h 1min
Average sunshine
11h 4min
11h 5min
12h 0min
Average sunshine days
26.8
26.2
19.2
Average UV index
5
7
7
Average cloud cover
11%
8%
9%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Las Cruces, New Mexico, USA

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