May weather forecast
Crystal Lake Park, MO

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Weather in May

May, the last month of the spring in Crystal Lake Park, is a moderately hot month, with an average temperature fluctuating between 74.8°F (23.8°C) and 57.7°F (14.3°C).

Temperature

The onset of May marks an increase in the average high-temperature, moving from a comfortable 65.5°F (18.6°C) in April to a warm 74.8°F (23.8°C). During May, Crystal Lake Park's temperature averages to a moderate 57.7°F (14.3°C) at night.

Humidity

May is the most humid month, with an average relative humidity of 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.58" (91mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:20 pm CDT.

Sunshine

In May, the average sunshine is 9.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. 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.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

Crystal Lake Park in May has an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 57.7°F (14.3°C).

What is the most humid month?

With an average relative humidity of 78%, May is the most humid month.

What is the average humidity in May?

In May, the average relative humidity is 78%.

What is the wettest month in Crystal Lake Park?

The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 3.58" (91mm) of precipitation.

How much does it rain in May?

In Crystal Lake Park, during May, the rain falls for 16.9 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When it does not snow?

In Crystal Lake Park, snow does not fall in April through October.

How many hours of daylight does Crystal Lake Park have in May?

In Crystal Lake Park, the average day length in May is 14h and 17min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:20 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.5h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Crystal Lake Park, MO

Average temperature in May - Crystal Lake Park, MO
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Crystal Lake Park, MO

Average pressure in May - Crystal Lake Park, MO
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Crystal Lake Park, MO

Average wind speed in May - Crystal Lake Park, MO
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in May
Crystal Lake Park, MO

Average humidity in May - Crystal Lake Park, MO
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Crystal Lake Park, MO

Average rainfall in May - Crystal Lake Park, MO
  • Average rainfall in May: 3.58"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in May
Crystal Lake Park, MO

Average rainfall days in May - Crystal Lake Park, MO
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in May
Crystal Lake Park, MO

Average snowfall in May - Crystal Lake Park, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Crystal Lake Park, MO

Average snowfall days in May - Crystal Lake Park, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Crystal Lake Park, MO

Average daylight in May / Average sunshine in May - Crystal Lake Park, MO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Crystal Lake Park, MO

Average sunshine days in May - Crystal Lake Park, MO
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in May
Crystal Lake Park, MO

Average UV index in May - Crystal Lake Park, 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 and December (UV index 2).

Average cloud cover in May
Crystal Lake Park, MO

Average cloud cover in May - Crystal Lake Park, MO
  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Crystal Lake Park, MO

Average visibility in May - Crystal Lake Park, MO
  • 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).

Crystal Lake Park, Missouri, USA

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