May weather forecast
Langford, SD

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Weather in May

The last month of the spring, May, is an enjoyable month in Langford, South Dakota, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 64°F (17.8°C).

Temperature

As May begins, there is an increase in the average high-temperature, moving from a fresh 51.1°F (10.6°C) in April to an enjoyable 64°F (17.8°C). An average nighttime temperature of 46.6°F (8.1°C) is observed in Langford during May.

Humidity

In Langford, the average relative humidity in May is 70%.

Rainfall

In Langford, South Dakota, in May, during 16.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 112.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Langford aggregates 0.12" (3mm) of snow. In Langford, during the entire year, snow falls for 68.4 days and aggregates up to 23.74" (603mm) of snow.

Daylight

The average length of the day in May is 14h and 56min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:38 pm. On the last day of May, sunrise is at 5:45 am and sunset at 9:12 pm CDT.

Sunshine

In Langford, the average sunshine in May is 8.7h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during May translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 64°F (17.8°C) and the low-temperature is 46.6°F (8.1°C).

What is the average humidity in May?

The average relative humidity in May is 70%.

How many days does it rain in May?

In Langford, in May, during 16.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Langford aggregates 0.12" (3mm) of snow.

What is the average length of the day in May?

In Langford, the average day length in May is 14h and 56min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:38 pm. On the last day of the month, in Langford, sunrise is at 5:45 am and sunset at 9:12 pm CDT.

How many hours of sunshine does Langford have in May?

In Langford, the average sunshine duration in May is 8.7h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Langford, SD

Average temperature in May - Langford, SD
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in May
Langford, SD

Average pressure in May - Langford, 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
Langford, SD

Average wind speed in May - Langford, SD
  • Average wind speed in May: 10.5mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

Average humidity in May
Langford, SD

Average humidity in May - Langford, SD
  • Average humidity in May: 70%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

Average rainfall in May
Langford, SD

Average rainfall in May - Langford, SD
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in May
Langford, SD

Average rainfall days in May - Langford, SD
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in May
Langford, SD

Average snowfall in May - Langford, SD
  • Average snowfall in May: 0.12"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Langford, SD

Average snowfall days in May - Langford, SD
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Langford, 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: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
Langford, SD

Average sunshine days in May - Langford, SD
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in May
Langford, SD

Average UV index in May - Langford, SD
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Langford, SD

Average cloud cover in May - Langford, SD
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in May
Langford, SD

Average visibility in May - Langford, SD
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Langford, South Dakota, USA

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