Climate and monthly weather forecast
Union Star, MO

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Weather in January

January, like December, in Union Star, Missouri, is another cold winter month, with temperature in the range of an average high of 34.2°F (1.2°C) and an average low of 20.3°F (-6.5°C). In Union Star, January is the coldest month, with temperatures averaging a high of 34.2°F (1.2°C) and a low of 20.3°F (-6.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Union Star, Missouri, with an average temperature fluctuating between 38.3°F (3.5°C) and 23.5°F (-4.7°C). The beginning of February records an average high-temperature of a still cold 38.3°F (3.5°C), almost echoing the conditions of the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Union Star, Missouri, with an average temperature fluctuating between 52°F (11.1°C) and 35.2°F (1.8°C). As February gives way to March, the average high-temperature displays an increase, moving from a wintry 38.3°F (3.5°C) to a cool 52°F (11.1°C). Weather in March »

Weather in April

April in Union Star, Missouri, is a refreshing spring month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 44.4°F (6.9°C). With the onset of April, Union Star's weather sees a temperature rise, transitioning from a fresh 52°F (11.1°C) in March to an enjoyable 62.8°F (17.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Union Star, Missouri, with an average temperature ranging between min 55.2°F (12.9°C) and max 72.1°F (22.3°C). May's arrival brings a temperature shift, moving from a refreshing 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

June, the first month of the summer in Union Star, is a warm month, with an average temperature ranging between max 82.6°F (28.1°C) and min 64.9°F (18.3°C). Union Star, Missouri, sees a rise in temperature during June, with average high-temperatures transitioning from an agreeable 72.1°F (22.3°C) in May to a moderately hot 82.6°F (28.1°C). Weather in June »

Weather in July

July, like June, in Union Star, Missouri, is another warm summer month, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 67.6°F (19.8°C). In Union Star, the average temperatures in July are the highest, with a peak at 85.5°F (29.7°C) and a low of 67.6°F (19.8°C). During July, the heat index is appraised at a very hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Union Star, is also a moderately hot month, with an average temperature fluctuating between 83.8°F (28.8°C) and 64.6°F (18.1°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 83.8°F (28.8°C) from July's 85.5°F (29.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Union Star, is also a moderately hot month, with an average temperature ranging between max 77.5°F (25.3°C) and min 57.9°F (14.4°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from 83.8°F (28.8°C) in August to a still warm 77.5°F (25.3°C). Weather in September »

Weather in October

October, like September, in Union Star, Missouri, is another enjoyable autumn month, with an average temperature ranging between min 46.4°F (8°C) and max 63.5°F (17.5°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 77.5°F (25.3°C) in September to an enjoyable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Union Star, Missouri, with an average temperature ranging between min 35.1°F (1.7°C) and max 50.9°F (10.5°C). The start of November comes with a reduction in the average high-temperature, receding from an enjoyable 63.5°F (17.5°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Union Star, Missouri, with an average temperature varying between 38.3°F (3.5°C) and 25°F (-3.9°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a cool 50.9°F (10.5°C) in November to a wintry 38.3°F (3.5°C). Weather in December »
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Frequently asked questions

What are the coldest months in Union Star?

January is the month that records the lowest temperatures in Union Star, with averages ranging from a high of 34.2°F (1.2°C) to a low of 20.3°F (-6.5°C).

What is the driest month in Union Star?

January and February are months with the least rain in Union Star when the rain falls for 3.8 days and typically aggregates up to 0.94" (24mm) of rain.

How much does it rain in Union Star?

In Union Star, Missouri, during the entire year, the rain falls for 132.3 days and collects up to 27.28" (693mm) of precipitation.

When does it snow in Union Star?

Months with snowfall in Union Star, Missouri, are January through May, October through December.

What is the snowiest month in Union Star?

January is the month with the most snowfall. Snow falls for 7 days and accumulates 3.43" (87mm) of snow.

How much does it snow in Union Star?

In Union Star, Missouri, during the entire year, snow falls for 25.5 days and aggregates up to 10.91" (277mm) of snow.

What is the month with the least sunshine in Union Star?

With an average of 4.8h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in Union Star?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Union Star, Missouri.

When is Daylight Saving Time (DST) in Union Star?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Union Star, Missouri, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Union Star?

May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 4.02" (102mm) of precipitation.

What is the most humid month in Union Star?

The most humid month in Union Star, Missouri, is June, with an average relative humidity of 79%.

When it does not snow in Union Star?

June through September are months without snowfall.

When are the longest days in Union Star?

With an average of 15h and 0min of daylight, June has the longest days of the year in Union Star.

When is the highest UV index in Union Star?

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

What month is the hottest in Union Star?

In Union Star, July registers the highest temperatures, averaging 85.5°F (29.7°C) at the peak and 67.6°F (19.8°C) at the lowest.

What month has the most sunshine in Union Star?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What are the least humid months in Union Star?

October and November, with an average relative humidity of 70%, are the least humid months in Union Star, Missouri.

What is the month with the shortest days in Union Star?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Union Star.

Average temperature
Union Star, MO

Average temperature - Union Star, MO

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure
Union Star, MO

Average pressure - Union Star, MO

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Union Star, MO

Average wind speed - Union Star, MO

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity
Union Star, MO

Average humidity - Union Star, MO

The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).

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Average rainfall
Union Star, MO

Average rainfall - Union Star, MO

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").

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Average rainfall days
Union Star, MO

Average rainfall days - Union Star, MO

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall
Union Star, MO

Average snowfall - Union Star, MO

The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Union Star, MO

Average snowfall days - Union Star, MO

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Union Star, MO

Average daylight / Average sunshine - Union Star, MO

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days
Union Star, MO

Average sunshine days - Union Star, MO

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index
Union Star, MO

Average UV index - Union Star, MO

The months with the highest UV index are 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 visibility
Union Star, MO

Average visibility - Union Star, 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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Union Star, Missouri, USA

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