May weather forecastPioneer, AZ
May
Weather in May
May, the last month of the spring in Pioneer, is a hot month, with an average temperature varying between 89.2°F (31.8°C) and 68.2°F (20.1°C).Temperature
As May arrives, Pioneer's weather shows a minor increase in high-temperatures, edging from April's moderately hot 81.5°F (27.5°C) to a tropical 89.2°F (31.8°C). An average low-temperature of 68.2°F (20.1°C) is noted during the month of May.Humidity
The average relative humidity in May is 21%.Rainfall
The month with the least rainfall is May, when the rain falls for 1.4 days and typically collects 0.08" (2mm) of precipitation.Daylight
In May, the average length of the day in Pioneer is 13h and 55min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:19 pm. On the last day of May, sunrise is at 5:26 am and sunset at 7:40 pm MST.
Sunshine
The average sunshine in May is 12h.UV index
In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily UV index of 7 turns into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pioneer, AZ
- Average high temperature in May: 89.2°F
The warmest month (with the highest average high temperature) is July (103.1°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in May: 68.2°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in May
Pioneer, AZ
- Average pressure in May: 29.79"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in May
Pioneer, AZ
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest months (with the lowest average wind speed) are January, November and December (6mph).
Average humidity in May
Pioneer, AZ
- Average humidity in May: 21%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).
Average rainfall in May
Pioneer, AZ
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in May
Pioneer, AZ
- Average rainfall days in May: 1.4 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is May (1.4 days).
Average daylight in May /
Average sunshine in May
Pioneer, AZ
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 12h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in May
Pioneer, AZ
- Average sunshine days in May: 29.3 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is August (19.5 days).
Average UV index in May
Pioneer, AZ
- Average UV index in May: 7
The 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).
Average cloud cover in May
Pioneer, AZ
- Average cloud cover in May: 7
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in May
Pioneer, 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).
