May weather forecast
South Switch Junction, IA

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Weather in May

The last month of the spring, May, is an enjoyable month in South Switch Junction, Iowa, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 66.9°F (19.4°C).

Temperature

As South Switch Junction welcomes May, the average high-temperature sees a rise, transitioning from a mild 55.9°F (13.3°C) in April to an enjoyable 66.9°F (19.4°C). South Switch Junction, in May, observes a steady average low-temperature of 50.2°F (10.1°C).

Humidity

In May, the average relative humidity in South Switch Junction is 81%.

Rainfall

The months with the most rainfall are May and June, with an average 3.7" (94mm) of precipitation.

Snowfall

In South Switch Junction, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of May, sunrise is at 5:56 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:32 pm CDT.

Sunshine

In South Switch Junction, the average sunshine in May is 8.2h.

UV index

The average daily maximum UV index in May in South Switch Junction is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 5 in May leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What are the temperatures in South Switch Junction in May?

The high-temperature, in May, in South Switch Junction, records 66.9°F (19.4°C), while the low-temperature is 50.2°F (10.1°C).

What is the average humidity in May in South Switch Junction?

The average relative humidity in May in South Switch Junction is 81%.

What is the rainiest month in South Switch Junction?

The wettest months in South Switch Junction are May and June, with an average 3.7" (94mm) of rainfall.

How many days does it rain in May in South Switch Junction?

In South Switch Junction, Iowa, in May, during 17.7 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in South Switch Junction?

May through September are months without snowfall in South Switch Junction.

Does it snow in South Switch Junction in May?

In May, in South Switch Junction, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does South Switch Junction have in May?

In South Switch Junction, the average day length in May is 14h and 38min.

When is the sunrise / sunset in May in South Switch Junction?

On the first day of May, sunrise is at 5:56 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:32 pm CDT.

How long on average sun shines in May in South Switch Junction?

In South Switch Junction, Iowa, the average sunshine duration in May is 8.2h.

How high is the UV index in May in South Switch Junction?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Switch Junction, IA

Average temperature in May - South Switch Junction, IA
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
South Switch Junction, IA

Average pressure in May - South Switch Junction, IA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
South Switch Junction, IA

Average wind speed in May - South Switch Junction, IA
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in May
South Switch Junction, IA

Average humidity in May - South Switch Junction, IA
  • Average humidity in May: 81%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
South Switch Junction, IA

Average rainfall in May - South Switch Junction, IA
  • Average rainfall in May: 3.7"

The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").

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Average rainfall days in May
South Switch Junction, IA

Average rainfall days in May - South Switch Junction, IA
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in May
South Switch Junction, IA

Average snowfall in May - South Switch Junction, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
South Switch Junction, IA

Average snowfall days in May - South Switch Junction, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
South Switch Junction, IA

Average daylight in May / Average sunshine in May - South Switch Junction, IA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
South Switch Junction, IA

Average sunshine days in May - South Switch Junction, IA
  • Average sunshine days in May: 12.1 days

The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in May
South Switch Junction, IA

Average UV index in May - South Switch Junction, IA
  • Average UV index in May: 5

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

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Average cloud cover in May
South Switch Junction, IA

Average cloud cover in May - South Switch Junction, IA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
South Switch Junction, IA

Average visibility in May - South Switch Junction, IA
  • Average visibility in May: 6mi

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

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South Switch Junction, Iowa, USA

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