May weather forecast
Grants, NM

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Weather in May

May highlights the city's climate transitioning, as Grants steadily marches towards summer. Weather during this month is fairly mild and pleasant, making it ideal for various outdoor activities. Although the humidity levels are at their lowest, rare rainfall keeps the landscapes lush and vibrant. With longer daylight hours, it's a great time for excursions into the surrounding natural parks and reserves. Bird watchers especially should consider a visit this month as various species migrate through the area.

Temperature

May's onset brings a subtle temperature rise, moving from a moderate 60.4°F (15.8°C) in April to an agreeable 68.9°F (20.5°C). Grants in May observes a substantial swing from the daily highs, with average nighttime temperatures of 45.1°F (7.3°C).

Humidity

In Grants, New Mexico, the average relative humidity in May is 31%.

Rainfall

In May, the rain falls for 6.3 days. Throughout May, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 85.5 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Grants, New Mexico, the average length of the day in May is 14h and 2min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:58 am and sunset at 8:20 pm MDT.

Sunshine

In Grants, the average sunshine in May is 11.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

May temperatures vary between a high-temperature of 68.9°F (20.5°C) and a low-temperature of 45.1°F (7.3°C).

What is the average humidity in May?

In May, the average relative humidity in Grants, New Mexico, is 31%.

How many days does it rain in May?

In Grants, New Mexico, during May, the rain falls for 6.3 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When it does not snow?

In Grants, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

In May, the average day length is 14h and 2min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:19 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:20 pm MDT.

How long on average sun shines in May?

In Grants, the average sunshine duration in May is 11.5h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
Grants, NM

Average temperature in May - Grants, NM
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is June (81°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in May
Grants, NM

Average pressure in May - Grants, NM
  • Average pressure in May: 29.89"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.89"Hg).

Average wind speed in May
Grants, NM

Average wind speed in May - Grants, NM
  • Average wind speed in May: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Grants, NM

Average humidity in May - Grants, NM
  • Average humidity in May: 31%

The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is June (26%).

Average rainfall in May
Grants, NM

Average rainfall in May - Grants, NM
  • Average rainfall in May: 0.39"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is November (0.35").

Average rainfall days in May
Grants, NM

Average rainfall days in May - Grants, NM
  • Average rainfall days in May: 6.3 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in May
Grants, NM

Average snowfall in May - Grants, NM
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Grants, NM

Average snowfall days in May - Grants, NM
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Grants, NM

Average daylight in May / Average sunshine in May - Grants, NM
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 11h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in May
Grants, NM

Average sunshine days in May - Grants, NM
  • Average sunshine days in May: 22.3 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is August (10.5 days).

Average UV index in May
Grants, NM

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Grants, NM

Average cloud cover in May - Grants, NM
  • Average cloud cover in May: 13

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June and October (Cloud cover 12).

Average visibility in May
Grants, NM

Average visibility in May - Grants, 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).

Grants, New Mexico, USA

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