May weather forecast
Iron Mountain Lake, MO

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Weather in May

The last month of the spring, May, is a moderately hot month in Iron Mountain Lake, Missouri, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.2°F (24°C).

Temperature

Entering May, Iron Mountain Lake sees a temperature rise, with the average high-temperature advancing from April's comfortable 65.7°F (18.7°C) to a moderately hot 75.2°F (24°C). Iron Mountain Lake throughout May, experiences an average nighttime temperature of 56.1°F (13.4°C).

Humidity

With an average relative humidity of 79%, May is the most humid month in Iron Mountain Lake, Missouri.

Rainfall

The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 3.78" (96mm) of precipitation.

Snowfall

In Iron Mountain Lake, Missouri, snow does not fall in April through October.

Daylight

In May, the average length of the day in Iron Mountain Lake is 14h and 13min.
On the first day of the month, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:18 pm CDT.

Sunshine

In May, the average sunshine in Iron Mountain Lake is 9.2h.

UV index

The months with the highest UV index in Iron Mountain Lake are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are May temperatures in Iron Mountain Lake?

The high-temperature, in May, in Iron Mountain Lake, is 75.2°F (24°C), while the low-temperature averages to 56.1°F (13.4°C).

What is the most humid month in Iron Mountain Lake?

The most humid month in Iron Mountain Lake, Missouri, is May, with an average relative humidity of 79%.

What is the average humidity in May in Iron Mountain Lake?

In May, the average relative humidity in Iron Mountain Lake is 79%.

What is the rainiest month in Iron Mountain Lake?

May is the month with the most rainfall in Iron Mountain Lake. Rain falls for 17 days and accumulates 3.78" (96mm) of precipitation.

How much does it rain in Iron Mountain Lake in May?

In May, the rain falls for 17 days. Throughout May, 3.78" (96mm) of precipitation is accumulated.

When it does not snow in Iron Mountain Lake?

In Iron Mountain Lake, Missouri, snow does not fall in April through October.

How many hours of daylight does Iron Mountain Lake have in May?

The average day length in May in Iron Mountain Lake is 14h and 13min.

What time are sunrise and sunset in May in Iron Mountain Lake?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of the month, in Iron Mountain Lake, Missouri, sunrise is at 5:42 am and sunset at 8:18 pm CDT.

How long on average sun shines in May in Iron Mountain Lake?

In Iron Mountain Lake, the average sunshine duration in May is 9.2h.

What are the months with the highest UV index in Iron Mountain Lake?

The months with the highest UV index in Iron Mountain Lake, Missouri, are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Iron Mountain Lake?

In May, the average daily maximum UV index in Iron Mountain Lake is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Iron Mountain Lake, MO

Average temperature in May - Iron Mountain Lake, MO
  • Average high temperature in May: 75.2°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 56.1°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in May
Iron Mountain Lake, MO

Average pressure in May - Iron Mountain Lake, MO
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Iron Mountain Lake, MO

Average wind speed in May - Iron Mountain Lake, MO
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Iron Mountain Lake, MO

Average humidity in May - Iron Mountain Lake, MO
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Iron Mountain Lake, MO

Average rainfall in May - Iron Mountain Lake, MO
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in May
Iron Mountain Lake, MO

Average rainfall days in May - Iron Mountain Lake, MO
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is December (7.9 days).

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Average snowfall in May
Iron Mountain Lake, MO

Average snowfall in May - Iron Mountain Lake, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Iron Mountain Lake, MO

Average snowfall days in May - Iron Mountain Lake, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (6.5 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
Iron Mountain Lake, MO

Average daylight in May / Average sunshine in May - Iron Mountain Lake, MO
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

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Average sunshine days in May
Iron Mountain Lake, MO

Average sunshine days in May - Iron Mountain Lake, MO
  • Average sunshine days in May: 12.2 days

The months with the most sunshine days are November and December (18.9 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in May
Iron Mountain Lake, MO

Average UV index in May - Iron Mountain Lake, MO
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Iron Mountain Lake, MO

Average cloud cover in May - Iron Mountain Lake, MO
  • Average cloud cover in May: 39

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in May
Iron Mountain Lake, MO

Average visibility in May - Iron Mountain Lake, MO
  • Average visibility in May: 5mi

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

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Iron Mountain Lake, Missouri, USA

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