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
May's arrival brings a slight change in high-temperatures, adjusting from a refreshing 60.1°F (15.6°C) in April to an agreeable 68.4°F (20.2°C). Window Rock's average low-temperature of 45.1°F (7.3°C) in May reflects a considerable decline from the daytime peak.Humidity
In May, the average relative humidity in Window Rock is 30%.Rainfall
In May, the rain falls for 6.5 days. Throughout May, 0.47" (12mm) of precipitation is accumulated. In Window Rock, during the entire year, the rain falls for 90.1 days and collects up to 11.93" (303mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Window Rock aggregates 0.28" (7mm) of snow. In Window Rock, during the entire year, snow falls for 35.5 days and aggregates up to 21.02" (534mm) of snow.Daylight
The average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 6:23 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:26 pm MDT.
Sunshine
The average sunshine in May is 11.4h.UV index
In Window Rock, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Window Rock in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Window Rock have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Window Rock have in May?
How high is the UV index in May?
Average temperature in May
Window Rock, AZ
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Window Rock, AZ
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Window Rock, AZ
- Average wind speed in May: 10.7mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in May
Window Rock, AZ
- Average humidity in May: 30%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).
Average rainfall in May
Window Rock, AZ
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in May
Window Rock, AZ
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in May
Window Rock, AZ
- Average snowfall in May: 0.28"
The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Window Rock, AZ
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Window Rock, AZ
- Average daylight in May: 14h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in May
Window Rock, AZ
- Average sunshine days in May: 22.1 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in May
Window Rock, 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
Window Rock, AZ
- Average cloud cover in May: 15
The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in May
Window Rock, AZ
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Window Rock, Arizona, USA
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