May weather forecast and climate
Katherine, AZ

Weather in May

The last month of the spring, May, is a hot month in Katherine, Arizona, with average temperature varying between 86.2°F (30.1°C) and 64.6°F (18.1°C).

Temperature

In Katherine, the average high-temperature in May slightly increases, from a moderately hot 77.9°F (25.5°C) in April, to a hot 86.2°F (30.1°C). In Katherine, Arizona, the average low-temperature is 64.6°F (18.1°C).

Humidity

In May, the average relative humidity is 19%.

Rainfall

In Katherine, in May, it is raining for 2.3 days, with typically 0.12" (3mm) of accumulated precipitation. In Katherine, during the entire year, the rain falls for 44 days and collects up to 4.21" (107mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

In Katherine, Arizona, the average length of the day in May is 14h.

Sunshine

The average sunshine in Katherine, Arizona, is 11.9h.

UV index

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Katherine?

In Katherine, Arizona, in May, the average high-temperature is 86.2°F (30.1°C), and the average low-temperature is 64.6°F (18.1°C).

What is the average humidity in May in Katherine?

In May, the average relative humidity is 19%.

How much does it rain in Katherine in May?

In May, in Katherine, Arizona, the rain falls for 2.3 days. Throughout May, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Katherine?

January through November are months without snowfall.

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

In Katherine, the average length of the day in May is 14h.

How long on average sun shines in May in Katherine?

The average sunshine in May is 11.9h.

What is the UV index reading in May in Katherine?

In Katherine, Arizona, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Katherine, AZ

Average temperature in May - Katherine, AZ
  • Average high temperature in May: 86.2°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in May: 64.6°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in May
Katherine, AZ

Average pressure in May - Katherine, AZ
  • Average pressure in May: 29.8"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in May
Katherine, AZ

Average wind speed in May - Katherine, AZ
  • Average wind speed in May: 9.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in May
Katherine, AZ

Average humidity in May - Katherine, AZ
  • Average humidity in May: 19%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in May
Katherine, AZ

Average rainfall in May - Katherine, AZ
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Katherine, AZ

Average rainfall days in May - Katherine, AZ
  • Average rainfall days in May: 2.3 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in May
Katherine, AZ

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

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Katherine, AZ
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 11.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in May
Katherine, AZ

Average sunshine days in May - Katherine, AZ
  • Average sunshine days in May: 28.2 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in May
Katherine, AZ

Average UV index in May - Katherine, AZ
  • Average UV index in May: 7

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Katherine, AZ

Average cloud cover in May - Katherine, AZ
  • Average cloud cover in May: 9

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Katherine, AZ

Average visibility in May - Katherine, AZ
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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