May weather forecast
Ramona, SD

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Weather in May

May, the last month of the spring in Ramona, is a comfortable month, with an average temperature varying between 48.7°F (9.3°C) and 66.4°F (19.1°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 66.4°F (19.1°C). Ramona's temperature in May lowers to a consistent average of 48.7°F (9.3°C) during the nights.

Humidity

The average relative humidity in May is 70%.

Rainfall

In Ramona, in May, during 16.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Ramona, South Dakota, there are 111.2 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Ramona. During 0.4 snowfall days, in May, Ramona aggregates 0.35" (9mm) of snow. Throughout the year, in Ramona, there are 49.4 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

In Ramona, the average length of the day in May is 14h and 47min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:04 pm CDT.

Sunshine

In May, the average sunshine in Ramona is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Ramona?

In May, the average high-temperature and low-temperature in Ramona are 66.4°F (19.1°C) and 48.7°F (9.3°C) respectively.

What is the average humidity in May in Ramona?

The average relative humidity in May is 70%.

How many days does it rain in May in Ramona?

In Ramona, South Dakota, in May, during 16.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the last month it snows in Ramona?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Ramona aggregates 0.35" (9mm) of snow.

What is the average length of the day in May in Ramona?

In Ramona, South Dakota, the average day length in May is 14h and 47min.

When is the sunrise / sunset in May in Ramona?

On the first day of May, sunrise is at 6:18 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:04 pm CDT.

How long on average sun shines in May in Ramona?

The average sunshine duration in May in Ramona is 8.6h.

What is the UV index intensity in May in Ramona?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Ramona, SD

Average temperature in May - Ramona, SD
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in May
Ramona, SD

Average pressure in May - Ramona, 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 (29.85"Hg).

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Average wind speed in May
Ramona, SD

Average wind speed in May - Ramona, SD
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in May
Ramona, SD

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

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in May
Ramona, SD

Average rainfall in May - Ramona, SD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

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Average rainfall days in May
Ramona, SD

Average rainfall days in May - Ramona, SD
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).

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Average snowfall in May
Ramona, SD

Average snowfall in May - Ramona, SD
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Ramona, SD

Average snowfall days in May - Ramona, SD
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Ramona, 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: 8h and 54min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Ramona, SD

Average sunshine days in May - Ramona, SD
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).

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Average UV index in May
Ramona, SD

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

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

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Average cloud cover in May
Ramona, SD

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

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Ramona, SD

Average visibility in May - Ramona, 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).

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Ramona, South Dakota, USA

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