May weather forecast
Welton, IA

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Weather in May

May, the last month of the spring in Welton, is an agreeable month, with an average temperature ranging between min 52.3°F (11.3°C) and max 69.3°F (20.7°C).

Temperature

With the onset of May, Welton's weather sees a temperature rise, transitioning from a refreshing 57.9°F (14.4°C) in April to an agreeable 69.3°F (20.7°C). The average temperature during May nights in Welton is registered at a fresh 52.3°F (11.3°C).

Humidity

The average relative humidity in May in Welton, Iowa, is 78%.

Rainfall

The month with the most rainfall in Welton is May, when the rain falls for 18.2 days and typically aggregates up to 4.61" (117mm) of precipitation.

Snowfall

In Welton, snow does not fall in May through September.

Daylight

In Welton, Iowa, the average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of May, in Welton, sunrise is at 5:29 am and sunset at 8:30 pm CDT.

Sunshine

In Welton, Iowa, the average sunshine in May is 8.6h.

UV index

In Welton, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during May leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for Welton in May?

The high-temperature, in May, in Welton, records 69.3°F (20.7°C), while the low-temperature is 52.3°F (11.3°C).

What is the average humidity in May in Welton?

In May, the average relative humidity in Welton is 78%.

What is the rainiest month in Welton?

The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 4.61" (117mm) of precipitation.

How much does it rain in Welton in May?

In Welton, Iowa, in May, it is raining for 18.2 days, with typically 4.61" (117mm) of accumulated precipitation.

When it does not snow in Welton?

May through September are months without snowfall in Welton.

Does it snow in Welton in May?

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

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

In May, the average day length in Welton, Iowa, is 14h and 35min.

When is the sunrise / sunset in May in Welton?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of the month, in Welton, sunrise is at 5:29 am and sunset at 8:30 pm CDT.

How long on average sun shines in May in Welton?

In Welton, Iowa, the average sunshine duration in May is 8.6h.

What is the UV index reading in May in Welton?

In Welton, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Welton, IA

Average temperature in May - Welton, IA
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in May
Welton, IA

Average pressure in May - Welton, 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
Welton, IA

Average wind speed in May - Welton, IA
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Welton, IA

Average humidity in May - Welton, IA
  • Average humidity in May: 78%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Welton, IA

Average rainfall in May - Welton, IA
  • Average rainfall in May: 4.61"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in May
Welton, IA

Average rainfall days in May - Welton, IA
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in May
Welton, IA

Average snowfall in May - Welton, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Welton, IA

Average snowfall days in May - Welton, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (11.5 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
Welton, IA

Average daylight in May / Average sunshine in May - Welton, 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 12min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in May
Welton, IA

Average sunshine days in May - Welton, IA
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in May
Welton, IA

Average UV index in May - Welton, IA
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Welton, IA

Average cloud cover in May - Welton, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Welton, IA

Average visibility in May - Welton, 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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Welton, Iowa, USA

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