May weather forecast
Hazelwood, MO

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Weather in May

May typically sees the advent of summer, elevating average temperatures as high as 74.8°F (23.8°C) and as low as 57.6°F (14.2°C). With rainfall of around 3.31" (84mm), May is the month with the maximum rainfall. Despite the warmer temperatures, the weather in Hazelwood remains pleasant, making way for several outdoor events in the city.

Temperature

May's arrival in Hazelwood brings a change in high-temperatures, moving from an enjoyable 65.3°F (18.5°C) in April to a warm 74.8°F (23.8°C). Hazelwood's May nights cool down to an average low-temperature of 57.6°F (14.2°C).

Humidity

May is the most humid month, with an average relative humidity of 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 16 days and accumulates 3.31" (84mm) of precipitation.

Snowfall

April through October are months without snowfall in Hazelwood.

Daylight

In Hazelwood, the average length of the day in May is 14h and 19min.
On the first day of May in Hazelwood, sunrise is at 6:02 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:20 pm CDT.

Sunshine

In May, the average sunshine in Hazelwood, Missouri, 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 estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 in May translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the average May temperature in Hazelwood?

In Hazelwood, in May, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 57.6°F (14.2°C).

What is the most humid month in Hazelwood?

With an average relative humidity of 77%, May is the most humid month in Hazelwood.

What is the average humidity in May in Hazelwood?

In Hazelwood, Missouri, the average relative humidity in May is 77%.

What is the wettest month in Hazelwood?

May is the month with the most rainfall in Hazelwood, Missouri. Rain falls for 16 days and accumulates 3.31" (84mm) of precipitation.

How much does it rain in Hazelwood in May?

In Hazelwood, Missouri, in May, during 16 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

When it does not snow in Hazelwood?

April through October are months without snowfall.

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

The average day length in May in Hazelwood, Missouri, is 14h and 19min.

What time are sunrise and sunset in May in Hazelwood?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:54 pm. On the last day of the month, in Hazelwood, Missouri, sunrise is at 5:38 am and sunset at 8:20 pm CDT.

How long on average sun shines in May in Hazelwood?

In May, the average sunshine duration in Hazelwood is 9.5h.

What are the months with the highest UV index in Hazelwood?

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

How high is the UV index in May in Hazelwood?

In May, the average daily maximum UV index in Hazelwood is 6. A UV Index estimate of 6 to 7 represents 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
Hazelwood, MO

Average temperature in May - Hazelwood, MO
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Hazelwood, MO

Average pressure in May - Hazelwood, 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).

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Average wind speed in May
Hazelwood, MO

Average wind speed in May - Hazelwood, MO
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

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Average humidity in May
Hazelwood, MO

Average humidity in May - Hazelwood, MO
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Hazelwood, MO

Average rainfall in May - Hazelwood, MO
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in May
Hazelwood, MO

Average rainfall days in May - Hazelwood, MO
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

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Average snowfall in May
Hazelwood, MO

Average snowfall in May - Hazelwood, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.05").
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
Hazelwood, MO

Average snowfall days in May - Hazelwood, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.8 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
Hazelwood, MO

Average daylight in May / Average sunshine in May - Hazelwood, 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 month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in May
Hazelwood, MO

Average sunshine days in May - Hazelwood, MO
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in May
Hazelwood, MO

Average UV index in May - Hazelwood, 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).

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Average cloud cover in May
Hazelwood, MO

Average cloud cover in May - Hazelwood, MO
  • Average cloud cover in May: 37

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

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Average visibility in May
Hazelwood, MO

Average visibility in May - Hazelwood, 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).

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Hazelwood, Missouri, USA

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