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
The onset of May marks an increase in the average high-temperature, moving from a mild 56.3°F (13.5°C) in April to a comfortable 67.8°F (19.9°C). Oacoma records an average nighttime low of 49.3°F (9.6°C) in May.Humidity
In Oacoma, South Dakota, the average relative humidity in May is 66%.Rainfall
In Oacoma, during May, the rain falls for 15.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Oacoma, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
In Oacoma, snow does not fall in May through September.Daylight
In May, the average length of the day in Oacoma, South Dakota, is 14h and 45min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:40 pm. On the last day of May, sunrise is at 5:58 am and sunset at 9:12 pm CDT.
Sunshine
The average sunshine in May in Oacoma is 9.5h.UV index
In May, the average daily maximum UV index in Oacoma is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Oacoma?
What is the average humidity in May in Oacoma?
How many days does it rain in May in Oacoma?
When it does not snow in Oacoma?
Does it snow in Oacoma in May?
What is the average length of the day in May in Oacoma?
What time are sunrise and sunset in May in Oacoma?
How long on average sun shines in May in Oacoma?
What is the UV index reading in May in Oacoma?
Average temperature in May
Oacoma, SD
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Oacoma, 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 (29.84"Hg).
Average wind speed in May
Oacoma, SD
- Average wind speed in May: 10.4mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in May
Oacoma, SD
- Average humidity in May: 66%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in May
Oacoma, SD
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in May
Oacoma, SD
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Oacoma, SD
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Oacoma, SD
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Oacoma, 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: 9h and 0min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Oacoma, SD
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in May
Oacoma, SD
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Oacoma, SD
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Oacoma, 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).
Oacoma, South Dakota, USA
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