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
Gettysburg, South Dakota, sees a rise in temperature during May, with average high-temperatures transitioning from a cool 54°F (12.2°C) in April to a refreshing 66.2°F (19°C). In Gettysburg, the expected average low-temperature for May is a chilly 47.8°F (8.8°C).Humidity
The average relative humidity in May in Gettysburg, South Dakota, is 64%.Rainfall
In May, the rain falls for 13.7 days. Throughout May, 2.32" (59mm) of precipitation is accumulated. In Gettysburg, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Gettysburg, South Dakota. During 0.3 snowfall days, in May, Gettysburg aggregates 0.31" (8mm) of snow. In Gettysburg, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.Daylight
In Gettysburg, the average length of the day in May is 14h and 53min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:45 pm. On the last day of May, in Gettysburg, sunrise is at 5:56 am and sunset at 9:19 pm CDT.
Sunshine
The average sunshine in May is 9.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gettysburg in May?
What is the average humidity in May in Gettysburg?
How much does it rain in Gettysburg in May?
What is the last month it snows in Gettysburg?
What is the average length of the day in May in Gettysburg?
What time are sunrise and sunset in May in Gettysburg?
How many hours of sunshine does Gettysburg have in May?
What is the UV index intensity in May in Gettysburg?
Average temperature in May
Gettysburg, SD
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in May
Gettysburg, SD
- Average pressure in May: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Gettysburg, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in May
Gettysburg, SD
- Average humidity in May: 64%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in May
Gettysburg, SD
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Gettysburg, SD
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Gettysburg, SD
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gettysburg, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gettysburg, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Gettysburg, SD
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Gettysburg, 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 1).
Average cloud cover in May
Gettysburg, SD
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in May
Gettysburg, 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).
Gettysburg, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location