May weather forecast
Lamoni, IA

Weather in May

The last month of the spring, May, is a pleasant month in Lamoni, Iowa, with an average temperature varying between 69.8°F (21°C) and 53.2°F (11.8°C).

Temperature

In May, the average high-temperature increases from an enjoyable 60.8°F (16°C) in April to a pleasant 69.8°F (21°C). The average low-temperature, in Lamoni, is 53.2°F (11.8°C).

Humidity

In Lamoni, the average relative humidity in May is 81%.

Rainfall

In May, the rain falls for 17.3 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. Throughout the year, there are 124.4 rainfall days, and 21.42" (544mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Lamoni. During 0.2 snowfall days, Lamoni aggregates 0.16" (4mm) of snow. Throughout the year, there are 27.9 snowfall days, and 10.83" (275mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:47 am and sunset at 8:39 pm CDT.

Sunshine

In Lamoni, the average sunshine in May is 8.5h.

UV index

In Lamoni, Iowa, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Lamoni?

In Lamoni, Iowa, the average relative humidity in May is 81%.

How many days does it rain in May in Lamoni?

In May, in Lamoni, the rain falls for 17.3 days. Throughout May, 3.15" (80mm) of precipitation is accumulated.

What is the last month it snows in Lamoni?

May is the last month it regularly snows in Lamoni. During 0.2 snowfall days, in May, Lamoni aggregates 0.16" (4mm) of snow.

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

In May, the average day length in Lamoni is 14h and 28min.

What time are sunrise and sunset in May in Lamoni?

On the first day of May in Lamoni, Iowa, sunrise is at 6:13 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:39 pm CDT.

How long on average sun shines in May in Lamoni?

In Lamoni, Iowa, the average sunshine duration in May is 8.5h.

What is the UV index intensity in May in Lamoni?

In Lamoni, Iowa, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lamoni, IA

Average temperature in May - Lamoni, IA
  • Average high temperature in May: 69.8°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in May
Lamoni, IA

Average pressure in May - Lamoni, IA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Lamoni, IA

Average wind speed in May - Lamoni, IA
  • Average wind speed in May: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in May
Lamoni, IA

Average humidity in May - Lamoni, IA
  • Average humidity in May: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Lamoni, IA

Average rainfall in May - Lamoni, IA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").

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Average rainfall days in May
Lamoni, IA

Average rainfall days in May - Lamoni, IA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in May
Lamoni, IA

Average snowfall in May - Lamoni, IA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lamoni, IA

Average snowfall days in May - Lamoni, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8.6 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
Lamoni, IA

Average daylight in May / Average sunshine in May - Lamoni, IA
  • Average daylight in May: 14h and 28min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in May: 8h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in May
Lamoni, IA

Average sunshine days in May - Lamoni, IA
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in May
Lamoni, IA

Average UV index in May - Lamoni, IA
  • 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, October, November and December (UV index 2).

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Average cloud cover in May
Lamoni, IA

Average cloud cover in May - Lamoni, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in May
Lamoni, IA

Average visibility in May - Lamoni, IA
  • Average visibility in May: 6mi

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

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