May weather forecast
Oglala, SD

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Weather in May

May, the last month of the spring in Oglala, is a comfortable month, with an average temperature ranging between max 66.2°F (19°C) and min 46.9°F (8.3°C).

Temperature

With the onset of May, Oglala's average high-temperature sees a rise, moving from April's mild 55.9°F (13.3°C) to a still refreshing 66.2°F (19°C). In May, Oglala encounters an average low-temperature of 46.9°F (8.3°C) during the night.

Humidity

In Oglala, the average relative humidity in May is 62%.

Rainfall

The month with the most rainfall is May, when the rain falls for 13.1 days and typically aggregates up to 2.13" (54mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.2 snowfall days, in May, Oglala aggregates 2.17" (55mm) of snow. Throughout the year, there are 47.4 snowfall days, and 22.72" (577mm) of snow is accumulated.

Daylight

In Oglala, the average length of the day in May is 14h and 42min.
On the first day of May, sunrise is at 5:43 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:23 pm MDT.

Sunshine

In May, the average sunshine is 9.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What is the usual temperature for Oglala in May?

The average high-temperature, in May, in Oglala, is 66.2°F (19°C), while the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May?

In May, the average relative humidity is 62%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 13.1 days and typically aggregates up to 2.13" (54mm) of precipitation.

How many days does it rain in May?

In Oglala, in May, it is raining for 13.1 days, with typically 2.13" (54mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 1.2 snowfall days, in May, Oglala aggregates 2.17" (55mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 42min.

When are sunrise and sunset in May in Oglala?

On the first day of May, sunrise is at 5:43 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:23 pm MDT.

How many hours of sunshine does Oglala have in May?

The average sunshine duration in May in Oglala, South Dakota, is 9.6h.

What is the UV index reading in May in Oglala?

In Oglala, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Oglala, SD

Average temperature in May - Oglala, SD
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in May
Oglala, SD

Average pressure in May - Oglala, SD
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Oglala, SD

Average wind speed in May - Oglala, SD
  • Average wind speed in May: 11.4mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

Average humidity in May
Oglala, SD

Average humidity in May - Oglala, SD
  • Average humidity in May: 62%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).

Average rainfall in May
Oglala, SD

Average rainfall in May - Oglala, SD
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Oglala, SD

Average rainfall days in May - Oglala, SD
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

Average snowfall in May
Oglala, SD

Average snowfall in May - Oglala, SD
  • Average snowfall in May: 2.17"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Oglala, SD

Average snowfall days in May - Oglala, SD
  • Average snowfall days in May: 1.2 days

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Oglala, SD

Average daylight in May / Average sunshine in May - Oglala, SD
  • Average daylight in May: 14h and 4min

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 0min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in May
Oglala, SD

Average sunshine days in May - Oglala, SD
  • Average sunshine days in May: 15.5 days

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in May
Oglala, SD

Average UV index in May - Oglala, SD
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Oglala, SD

Average cloud cover in May - Oglala, SD
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in May
Oglala, SD

Average visibility in May - Oglala, 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).

Oglala, South Dakota, USA

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