May weather forecastBritton, SD
May
Weather in May
May, the last month of the spring in Britton, is a refreshing month, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 65.7°F (18.7°C).Temperature
Britton, South Dakota, in May sees a temperature change, with average high-temperatures moving from a cool 51.8°F (11°C) in April to a refreshing 65.7°F (18.7°C). In the month of May, Britton witnesses a consistent average low-temperature of 48.2°F (9°C).Humidity
The average relative humidity in May is 66%.Rainfall
In Britton, during May, the rain falls for 15.2 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall in Britton are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Britton aggregates 0.24" (6mm) of snow. In Britton, during the entire year, snow falls for 68.5 days and aggregates up to 22.83" (580mm) of snow.Daylight
The average length of the day in May is 14h and 58min.On the first day of May, sunrise is at 6:16 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 9:13 pm CDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Britton, SD
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Britton, 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 (29.85"Hg).
Average wind speed in May
Britton, SD
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Britton, SD
- Average humidity in May: 66%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in May
Britton, SD
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Britton, SD
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Britton, SD
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Britton, SD
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Britton, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Britton, SD
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Britton, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in May
Britton, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Britton, SD
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
