May weather forecast
Lanyon, IA

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Weather in May

May, the last month of the spring in Lanyon, is an agreeable month, with an average temperature ranging between max 69.4°F (20.8°C) and min 52.9°F (11.6°C).

Temperature

The commencement of May sees a shift in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to an agreeable 69.4°F (20.8°C). In May, the nighttime temperature lowers to an average of 52.9°F (11.6°C).

Humidity

In May, the average relative humidity in Lanyon is 74%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.1 days and accumulates 4.06" (103mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Lanyon. During 0.3 snowfall days, in May, Lanyon aggregates 0.24" (6mm) of snow. In Lanyon, during the entire year, snow falls for 37.8 days and aggregates up to 15.39" (391mm) of snow.

Daylight

The average length of the day in May in Lanyon, Iowa, is 14h and 36min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:46 pm CDT.

Sunshine

The average sunshine in May is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in May translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the usual temperature for Lanyon in May?

An average high-temperature, in May, in Lanyon, is 69.4°F (20.8°C) and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in May in Lanyon?

In Lanyon, the average relative humidity in May is 74%.

What is the rainiest month in Lanyon?

May is the month with the most rainfall. Rain falls for 16.1 days and accumulates 4.06" (103mm) of precipitation.

How much does it rain in Lanyon in May?

In Lanyon, Iowa, in May, it is raining for 16.1 days, with typically 4.06" (103mm) of accumulated precipitation.

What is the last month it snows in Lanyon?

May is the last month it regularly snows in Lanyon, Iowa. During 0.3 snowfall days, in May, Lanyon aggregates 0.24" (6mm) of snow.

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

The average day length in May in Lanyon is 14h and 36min.

What time are sunrise and sunset in May in Lanyon?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 8:16 pm. On the last day of the month, in Lanyon, sunrise is at 5:42 am and sunset at 8:46 pm CDT.

How many hours of sunshine does Lanyon have in May?

In Lanyon, Iowa, the average sunshine duration in May is 8.4h.

What is the UV index intensity in May in Lanyon?

In May, the average daily maximum UV index in Lanyon, Iowa, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Lanyon, IA

Average temperature in May - Lanyon, IA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in May: 52.9°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in May
Lanyon, IA

Average pressure in May - Lanyon, 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 (29.88"Hg).

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Average wind speed in May
Lanyon, IA

Average wind speed in May - Lanyon, IA
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity in May
Lanyon, IA

Average humidity in May - Lanyon, IA
  • Average humidity in May: 74%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
Lanyon, IA

Average rainfall in May - Lanyon, IA
  • Average rainfall in May: 4.06"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in May
Lanyon, IA

Average rainfall days in May - Lanyon, IA
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in May
Lanyon, IA

Average snowfall in May - Lanyon, IA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lanyon, IA

Average snowfall days in May - Lanyon, IA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (10.3 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
Lanyon, IA

Average daylight in May / Average sunshine in May - Lanyon, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Lanyon, IA

Average sunshine days in May - Lanyon, IA
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in May
Lanyon, IA

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

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Average cloud cover in May
Lanyon, IA

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

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).

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Average visibility in May
Lanyon, IA

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

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

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Lanyon, Iowa, USA

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