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 commencement is accompanied by an average high-temperature of a refreshing 59°F (15°C), diverging marginally from April's 54.1°F (12.3°C). May nights are marked by an average temperature drop to a frosty 46°F (7.8°C).Humidity
April through July, September and October, with an average relative humidity of 81%, are the least humid months.Rainfall
In Deadwood, during May, the rain falls for 10.2 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Deadwood, during the entire year, the rain falls for 131.8 days and collects up to 20.63" (524mm) of precipitation.Snowfall
March through October and December are months without snowfall in Deadwood.Daylight
In Deadwood, the average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 6:04 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:50 pm PDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the least humid month?
What is the average humidity in May in Deadwood?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Deadwood have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Deadwood, OR
- Average high temperature in May: 59°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (48°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is February (40.6°F).
Average pressure in May
Deadwood, OR
- Average pressure in May: 30.06"Hg
The months with the highest atmospheric pressure are January and April (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in May
Deadwood, OR
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is December (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Deadwood, OR
- Average humidity in May: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April, May, June, July, September and October (81%).
Average rainfall in May
Deadwood, OR
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Deadwood, OR
- Average rainfall days in May: 10.2 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in May
Deadwood, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Deadwood, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
Deadwood, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Deadwood, OR
- Average sunshine days in May: 19 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in May
Deadwood, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in May
Deadwood, OR
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Deadwood, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Deadwood, Oregon, USA
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