Climate and monthly weather forecast
Hazelwood, MO

Weather in January

January, like December, in Hazelwood, Missouri, is another cold winter month, with an average temperature fluctuating between 37.2°F (2.9°C) and 24.3°F (-4.3°C). January is the coldest month, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Hazelwood, Missouri, with an average temperature ranging between max 42.1°F (5.6°C) and min 27.5°F (-2.5°C). In Hazelwood, the average high-temperature in February is practically the same as in January - a still wintry 42.1°F (5.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Hazelwood, Missouri, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.9°F (3.3°C). In Hazelwood, the average high-temperature in March rises from a wintry 42.1°F (5.6°C) in February to a fresh 54.1°F (12.3°C). Weather in March »

Weather in April

April in Hazelwood, Missouri, is an enjoyable spring month, with an average temperature fluctuating between 48°F (8.9°C) and 65.3°F (18.5°C). In April, the average high-temperature rises from a fresh 54.1°F (12.3°C) in March to an enjoyable 65.3°F (18.5°C). Weather in April »

Weather in May

May, the last month of the spring in Hazelwood, is a warm month, with an average temperature varying between 74.8°F (23.8°C) and 57.6°F (14.2°C). In Hazelwood, Missouri, the average high-temperature in May rises from an enjoyable 65.3°F (18.5°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Hazelwood, Missouri, with an average temperature varying between 84.2°F (29°C) and 66.7°F (19.3°C). In June, the average high-temperature increases from a warm 74.8°F (23.8°C) in May to a still moderately hot 84.2°F (29°C). Weather in June »

Weather in July

July is a tropical summer month in Hazelwood, Missouri, with an average temperature ranging between min 68.9°F (20.5°C) and max 86.7°F (30.4°C). The warmest month is July, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 68.9°F (20.5°C). The average heat index in July is appraised at a sweltering 99.9°F (37.7°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hazelwood, Missouri, with an average temperature varying between 85.5°F (29.7°C) and 67.1°F (19.5°C). In Hazelwood, the average high-temperature in August is essentially the same as in July - a moderately hot 85.5°F (29.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hazelwood, Missouri, with an average temperature fluctuating between 60.1°F (15.6°C) and 79.7°F (26.5°C). In Hazelwood, the average high-temperature in September slightly decreases from 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, like September, in Hazelwood, Missouri, is another comfortable autumn month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 49.5°F (9.7°C). In Hazelwood, the average high-temperature in October drops from a moderately hot 79.7°F (26.5°C) in September to a comfortable 66°F (18.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Hazelwood, is another cool month, with an average temperature ranging between max 53.2°F (11.8°C) and min 37.9°F (3.3°C). In November, the average high-temperature drops from a comfortable 66°F (18.9°C) in October to a cool 53.2°F (11.8°C). Weather in November »

Weather in December

December, the first month of the winter in Hazelwood, is still a cold month, with an average temperature varying between 42.1°F (5.6°C) and 30°F (-1.1°C). In Hazelwood, the average high-temperature in December drops from a cool 53.2°F (11.8°C) in November to a cold 42.1°F (5.6°C). Weather in December »
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FAQ

What is the coldest month in Hazelwood?

With an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month.

How many days does it rain in Hazelwood?

Throughout the year, in Hazelwood, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

When does it snow in Hazelwood?

January through March, November and December are months with snowfall.

How many days does it snow in Hazelwood?

In Hazelwood, during the entire year, snow falls for 21.6 days and aggregates up to 6.73" (171mm) of snow.

What is the month with the least sunshine in Hazelwood?

With an average of 4.6h of sunshine, January has the least sunshine of the year.

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

The months with the lowest UV index in Hazelwood are January, February and December, with an average maximum UV index of 2.

What is the driest month in Hazelwood?

The month with the least rainfall in Hazelwood is February, when the rain falls for 7.3 days and typically collects 1.42" (36mm) of precipitation.

What is the snowiest month in Hazelwood?

February is the month with the most snowfall. Snow falls for 6.2 days and accumulates 2.05" (52mm) of snow.

When is Daylight Saving Time (DST) in Hazelwood?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Hazelwood, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Hazelwood?

April through October are months without snowfall.

What is the most humid month in Hazelwood?

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

What is the rainiest month in Hazelwood?

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.31" (84mm) of precipitation.

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

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

When are the longest days in Hazelwood?

June has the longest days of the year, with an average of 14h and 50min of daylight.

What is the warmest month in Hazelwood?

With an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 68.9°F (20.5°C), July is the warmest month.

What month has the most sunshine in Hazelwood?

The month with the most sunshine in Hazelwood is July, with an average of 10.6h of sunshine.

What is the least humid month in Hazelwood?

The least humid month in Hazelwood is October, with an average relative humidity of 70%.

What is the month with the shortest days in Hazelwood?

With an average of 9h and 31min of daylight, December has the shortest days of the year.

Average temperature
Hazelwood, MO

Average temperature - Hazelwood, MO

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).

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
Hazelwood, MO

Average pressure - Hazelwood, MO

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
Hazelwood, MO

Average wind speed - Hazelwood, MO

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 rainfall
Hazelwood, MO

Average rainfall - Hazelwood, MO

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
Hazelwood, MO

Average rainfall days - Hazelwood, MO

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
Hazelwood, MO

Average snowfall - Hazelwood, MO

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
Hazelwood, MO

Average snowfall days - Hazelwood, MO

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 / Average sunshine
Hazelwood, MO

Average daylight / Average sunshine - Hazelwood, MO

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

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
Hazelwood, MO

Average sunshine days - Hazelwood, MO

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
Hazelwood, MO

Average UV index - Hazelwood, MO

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 visibility
Hazelwood, MO

Average visibility - Hazelwood, MO

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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