May weather forecast
Ipswich, SD

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Weather in May

May, the last month of the spring in Ipswich, is a comfortable month, with an average temperature varying between 48.2°F (9°C) and 66.7°F (19.3°C).

Temperature

With the beginning of May, Ipswich's average high-temperature sees an increase, transitioning from a fresh 54.1°F (12.3°C) in April to an enjoyable 66.7°F (19.3°C). In Ipswich, an average low-temperature of 48.2°F (9°C) is recorded during May nights.

Humidity

In Ipswich, the average relative humidity in May is 66%.

Rainfall

In Ipswich, in May, it is raining for 13 days, with typically 2.32" (59mm) of accumulated precipitation. In Ipswich, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Ipswich aggregates 0.08" (2mm) of snow. In Ipswich, South Dakota, during the entire year, snow falls for 54.8 days and aggregates up to 19.13" (486mm) of snow.

Daylight

In Ipswich, South Dakota, the average length of the day in May is 14h and 55min.
On the first day of May, sunrise is at 6:22 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:16 pm CDT.

Sunshine

The average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In Ipswich, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in May?

The average relative humidity in May is 66%.

How many days does it rain in May?

In Ipswich, in May, it is raining for 13 days, with typically 2.32" (59mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Ipswich aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In Ipswich, the average day length in May is 14h and 55min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:22 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:16 pm CDT.

How long on average sun shines in May?

In Ipswich, the average sunshine duration in May is 9h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Ipswich, SD

Average temperature in May - Ipswich, SD
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in May
Ipswich, SD

Average pressure in May - Ipswich, SD
  • Average pressure in May: 29.92"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
Ipswich, SD

Average wind speed in May - Ipswich, SD
  • Average wind speed in May: 9.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in May
Ipswich, SD

Average humidity in May - Ipswich, SD
  • Average humidity in May: 66%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in May
Ipswich, SD

Average rainfall in May - Ipswich, SD
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Ipswich, SD

Average rainfall days in May - Ipswich, SD
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in May
Ipswich, SD

Average snowfall in May - Ipswich, SD
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Ipswich, SD

Average snowfall days in May - Ipswich, SD
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Ipswich, 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Ipswich, SD

Average sunshine days in May - Ipswich, SD
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in May
Ipswich, SD

Average UV index in May - Ipswich, 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 and November (UV index 1).

Average cloud cover in May
Ipswich, SD

Average cloud cover in May - Ipswich, SD
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in May
Ipswich, SD

Average visibility in May - Ipswich, 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).

Ipswich, South Dakota, USA

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