May weather forecast and climate
Roy, NM

The last month of the spring, May, is an agreeable month in Roy, New Mexico, with average temperature ranging between min 45.1°F (7.3°C) and max 68.9°F (20.5°C).

Temperature

In Roy, the average high-temperature slightly increases, from an enjoyable 61.3°F (16.3°C) in April, to an agreeable 68.9°F (20.5°C). In May, in Roy, the average low-temperature is 45.1°F (7.3°C).

Humidity

In Roy, the average relative humidity is 38%.

Rainfall

In Roy, in May, it is raining for 6.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Roy, during the entire year, the rain falls for 76.1 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

Months with snowfall in Roy are January through May, October through December. May is the last month it regularly snows in Roy. During 0.6 snowfall days, in May, Roy aggregates 0.63" (16mm) of snow. Throughout the year, there are 34.6 snowfall days, and 21.57" (548mm) of snow is accumulated.

Daylight

In Roy, the average length of the day in May is 14.1h.

Sunshine

The average sunshine in Roy is 11.6h.

UV index

In May, the average daily maximum UV index in Roy is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Roy?

In Roy, New Mexico, in May, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in May in Roy?

In May, the average relative humidity is 38%.

How much does it rain in Roy in May?

In Roy, in May, it is raining for 6.5 days, with typically 0.63" (16mm) of accumulated precipitation.

What is the last month it snows in Roy?

May is the last month it regularly snows in Roy. During 0.6 snowfall days, in May, Roy aggregates 0.63" (16mm) of snow.

How many hours of daylight does Roy have in May?

The average length of the day in May is 14.1h.

How many hours of sunshine does Roy have in May?

In Roy, New Mexico, the average sunshine in May is 11.6h.

How high is the UV index in May in Roy?

In Roy, New Mexico, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Roy, NM
  • Average high temperature in May: 20.5°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is December (5.6°C).

  • Average low temperature in May: 7.3°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is December (-4.5°C).

Average pressure in May - Roy, NM
  • Average pressure in May: 1012mbar

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is April (1011.6mbar).

Average wind speed in May - Roy, NM
  • Average wind speed in May: 17km/h

The windiest month (with the highest average wind speed) is April (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in May - Roy, NM
  • Average humidity in May: 38%

Months with the highest relative humidity are January and December (61%).
Months with the lowest relative humidity are April and June (37%).

Average rainfall in May - Roy, NM
  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (12mm).

Average rainfall days in May - Roy, NM
  • Average rainfall days in May: 6.5 days

The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is November (2.6 days).

Average snowfall in May - Roy, NM
  • Average snowfall in May: 16mm

The month with the highest snowfall is January (128mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Roy, NM
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is December (7.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Roy, NM
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 11.6h

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are January and February (Average sunshine: 7).

Average sunshine days in May - Roy, NM
  • Average sunshine days in May: 22.8 days

The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in May - Roy, NM
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility in May - Roy, NM
  • Average visibility in May: 10km

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January and February (9km).