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 May sets in Williams, the average high-temperature shows a slight increase, moving up from a refreshing 62.2°F (16.8°C) in April to an agreeable 70°F (21.1°C). A significant drop from the day's peak to an average low-temperature of 46°F (7.8°C) is noted during the nights in May in Williams.Humidity
The average relative humidity in May in Williams is 31%.Rainfall
In Williams, Arizona, in May, it is raining for 5.9 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, in Williams, there are 70.4 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Williams. May is the last month it regularly snows in Williams. During 0.9 snowfall days, in May, Williams aggregates 0.83" (21mm) of snow. Throughout the year, there are 28.2 snowfall days, and 24.72" (628mm) of snow is accumulated.Daylight
In Williams, the average length of the day in May is 14h and 2min.On the first day of May in Williams, sunrise is at 5:36 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:37 pm MST.
Sunshine
The average sunshine in May is 11.8h.UV index
In May, the average daily maximum UV index in Williams is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Williams?
What is the average humidity in May in Williams?
How many days does it rain in May in Williams?
What is the last month it snows in Williams?
How many hours of daylight does Williams have in May?
When is the sunrise / sunset in May in Williams?
How many hours of sunshine does Williams have in May?
What is the UV index intensity in May in Williams?
Average temperature in May
Williams, AZ
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in May
Williams, AZ
- Average pressure in May: 29.87"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Williams, AZ
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Williams, AZ
- Average humidity in May: 31%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (23%).
Average rainfall in May
Williams, AZ
- Average rainfall in May: 0.91"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Williams, AZ
- Average rainfall days in May: 5.9 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is June (2.1 days).
Average snowfall in May
Williams, AZ
- Average snowfall in May: 0.83"
The month with the highest snowfall is December (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Williams, AZ
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is December (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Williams, AZ
- 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 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Williams, AZ
- Average sunshine days in May: 23.5 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in May
Williams, AZ
- 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
Williams, AZ
- Average cloud cover in May: 11
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in May
Williams, 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).
Williams, Arizona, USA
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