Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a pleasant 72.3°F (22.4°C) to a moderately hot 80.1°F (26.7°C). Portales witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 55.4°F (13°C) throughout May.Humidity
The average relative humidity in May is 36%.Rainfall
In Portales, during May, the rain falls for 8 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Portales, during the entire year, the rain falls for 86.6 days and collects up to 11.77" (299mm) of precipitation.Snowfall
In Portales, snow does not fall in May through September.Daylight
In Portales, the average length of the day in May is 13h and 58min.On the first day of May, sunrise is at 6:02 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:59 pm MDT.
Sunshine
The average sunshine in May is 11.4h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Portales have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Portales, NM
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is June (90.7°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in May
Portales, NM
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Portales, NM
- Average wind speed in May: 12.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in May
Portales, NM
- Average humidity in May: 36%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (34%).
Average rainfall in May
Portales, NM
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in May
Portales, NM
- Average rainfall days in May: 8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in May
Portales, NM
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Portales, NM
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Portales, NM
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in May
Portales, NM
- Average sunshine days in May: 21.4 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).
Average UV index in May
Portales, NM
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Portales, NM
- Average cloud cover in May: 15
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in May
Portales, 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).
Portales, New Mexico, USA
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