May weather forecast
Hereford, AZ

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Weather in May

The last month of the spring, May, is also a moderately hot month in Hereford, Arizona, with an average temperature varying between 55°F (12.8°C) and 81.1°F (27.3°C).

Temperature

As Hereford transitions into May, the average high-temperature is observed to slightly rise from a moderately hot 74.3°F (23.5°C) in April to a still warm 81.1°F (27.3°C). During May nights, Hereford documents a marked contrast from daily highs, with an average temperature of 55°F (12.8°C).

Humidity

May is the least humid month, with an average relative humidity of 22%.

Rainfall

April and May are months with the least rain when the rain falls for 2 days and typically aggregates up to 0.08" (2mm) of rain.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May is 13h and 46min.
On the first day of May, sunrise is at 5:34 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 7:20 pm MST.

Sunshine

In May, the average sunshine is 12h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What are the temperatures in Hereford in May?

Hereford in May has an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 55°F (12.8°C).

What is the least humid month in Hereford?

May is the least humid month, with an average relative humidity of 22%.

What is the average humidity in May in Hereford?

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

What is the driest month in Hereford?

The months with the least rainfall in Hereford are April and May Rain falls for 2 days and accumulates 0.08" (2mm) of rain.

How much does it rain in Hereford in May?

In Hereford, Arizona, in May, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow in Hereford?

In Hereford, Arizona, snow does not fall in April through October.

What is the average length of the day in May in Hereford?

In Hereford, Arizona, the average day length in May is 13h and 46min.

When are sunrise and sunset in May in Hereford?

In May, on the first day of the month, sunrise is at 5:34 am and sunset at 7:00 pm. On the last day of the month, in Hereford, sunrise is at 5:16 am and sunset at 7:20 pm MST.

How long on average sun shines in May in Hereford?

In Hereford, Arizona, the average sunshine duration in May is 12h.

How high is the UV index in May in Hereford?

The average daily maximum UV index in May in Hereford, Arizona, is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Hereford, AZ

Average temperature in May - Hereford, AZ
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average pressure in May
Hereford, AZ

Average pressure in May - Hereford, AZ
  • Average pressure in May: 29.87"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Hereford, AZ

Average wind speed in May - Hereford, AZ
  • Average wind speed in May: 9.5mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in May
Hereford, AZ

Average humidity in May - Hereford, AZ
  • Average humidity in May: 22%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

Average rainfall in May
Hereford, AZ

Average rainfall in May - Hereford, AZ
  • Average rainfall in May: 0.08"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

Average rainfall days in May
Hereford, AZ

Average rainfall days in May - Hereford, AZ
  • Average rainfall days in May: 2 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

Average snowfall in May
Hereford, AZ

Average snowfall in May - Hereford, AZ
  • Average snowfall in May: 0"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Hereford, AZ

Average snowfall days in May - Hereford, AZ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Hereford, AZ

Average daylight in May / Average sunshine in May - Hereford, AZ
  • 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: 12h and 0min

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

Average sunshine days in May
Hereford, AZ

Average sunshine days in May - Hereford, AZ
  • Average sunshine days in May: 28.6 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in May
Hereford, AZ

Average UV index in May - Hereford, AZ
  • Average UV index in May: 6

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

Average cloud cover in May
Hereford, AZ

Average cloud cover in May - Hereford, AZ
  • Average cloud cover in May: 7

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in May
Hereford, AZ

Average visibility in May - Hereford, AZ
  • 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).

Hereford, Arizona, USA

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