May weather forecastTyndall, SD
May
Weather in May
The last month of the spring, May, is a pleasant month in Tyndall, South Dakota, with an average temperature ranging between min 50.5°F (10.3°C) and max 68.5°F (20.3°C).Temperature
With the arrival of May, the average high-temperature transitions from a mild 57.6°F (14.2°C) in April to a pleasant 68.5°F (20.3°C). An average minimum temperature of 50.5°F (10.3°C) is recorded during the month of May.Humidity
In Tyndall, the average relative humidity in May is 69%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.2 days and typically aggregates up to 3.31" (84mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 41min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:32 pm. On the last day of May, sunrise is at 5:55 am and sunset at 9:03 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In Tyndall, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tyndall, SD
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in May
Tyndall, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Tyndall, SD
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in May
Tyndall, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).
Average rainfall in May
Tyndall, SD
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in May
Tyndall, SD
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in May
Tyndall, SD
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Tyndall, SD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Tyndall, SD
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Tyndall, SD
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Tyndall, SD
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Tyndall, SD
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in May
Tyndall, SD
- 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).
