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 sees a rise in the average high-temperature, jumping from April's frosty 49.6°F (9.8°C) to a moderate 60.4°F (15.8°C). Throughout May, Rochford witnesses a consistent average low-temperature of 42.4°F (5.8°C).Humidity
The average relative humidity in May is 67%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.5 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Rochford. In Rochford, South Dakota, in May, snow falls for 3.6 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, in Rochford, there are 66.6 snowfall days, and 34.53" (877mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 47min.On the first day of May in Rochford, sunrise is at 5:44 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:30 pm MDT.
Sunshine
In Rochford, the average sunshine in May is 10.1h.UV index
In May, the average daily maximum UV index in Rochford is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Rochford?
What is the average humidity in May in Rochford?
What is the wettest month in Rochford?
How much does it rain in Rochford in May?
How many days does it snow in May in Rochford?
How many hours of daylight does Rochford have in May?
When is the sunrise / sunset in May in Rochford?
How long on average sun shines in May in Rochford?
What is the UV index intensity in May in Rochford?
Average temperature in May
Rochford, SD
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure in May
Rochford, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Rochford, SD
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in May
Rochford, SD
- Average humidity in May: 67%
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in May
Rochford, SD
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Rochford, SD
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in May
Rochford, SD
- Average snowfall in May: 4.69"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Rochford, SD
- Average snowfall days in May: 3.6 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Rochford, SD
- 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: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in May
Rochford, SD
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Rochford, SD
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Rochford, SD
- Average cloud cover in May: 34
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Rochford, 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).
Rochford, South Dakota, USA
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