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
With the onset of May, Hammer's weather sees a temperature rise, transitioning from a fresh 51.8°F (11°C) in April to a comfortable 65.1°F (18.4°C). An average low-temperature of 48°F (8.9°C) is noted during the nights in May.Humidity
In May, the average relative humidity is 68%.Rainfall
In Hammer, South Dakota, in May, it is raining for 14.8 days, with typically 2.48" (63mm) of accumulated precipitation. In Hammer, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Hammer. During 0.3 snowfall days, in May, Hammer aggregates 0.08" (2mm) of snow. In Hammer, during the entire year, snow falls for 53.2 days and aggregates up to 20.12" (511mm) of snow.Daylight
The average length of the day in May is 14h and 58min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:36 pm. On the last day of May, in Hammer, sunrise is at 5:41 am and sunset at 9:10 pm CDT.
Sunshine
In Hammer, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Hammer?
What is the average humidity in May in Hammer?
How many days does it rain in May in Hammer?
What is the last month it snows in Hammer?
What is the average length of the day in May in Hammer?
When is the sunrise / sunset in May in Hammer?
How many hours of sunshine does Hammer have in May?
What is the UV index intensity in May in Hammer?
Average temperature in May
Hammer, SD
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Hammer, SD
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Hammer, SD
- Average wind speed in May: 9.9mph
The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in May
Hammer, SD
- Average humidity in May: 68%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in May
Hammer, SD
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Hammer, SD
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in May
Hammer, SD
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hammer, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hammer, SD
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Hammer, SD
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Hammer, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Hammer, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in May
Hammer, SD
- 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).
Hammer, South Dakota, USA
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