Climate and monthly weather forecast
Salem, MO

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Weather in January

January, the same as December, is a wintry winter month in Salem, Missouri, with an average temperature ranging between min 24.8°F (-4°C) and max 39.9°F (4.4°C). In Salem, January records the lowest average temperatures, peaking at 39.9°F (4.4°C) and reaching a low of 24.8°F (-4°C). Weather in January »

Weather in February

February, the last month of the winter in Salem, is a frosty month, with an average temperature ranging between min 28.4°F (-2°C) and max 44.2°F (6.8°C). With the onset of February, a modest change to a frosty 44.2°F (6.8°C) from January's 39.9°F (4.4°C) is noted in high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Salem, is a fresh month, with an average temperature varying between 54.7°F (12.6°C) and 37.9°F (3.3°C). The start of March signals an increase in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in February to a fresh 54.7°F (12.6°C). Weather in March »

Weather in April

April is a comfortable spring month in Salem, Missouri, with an average temperature ranging between max 65.8°F (18.8°C) and min 46.9°F (8.3°C). Salem's weather shows a temperature rise with the arrival of April, moving from a cool 54.7°F (12.6°C) in March to a refreshing 65.8°F (18.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Salem, Missouri, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). The transition to May introduces an increase in the average high-temperature, shifting from an enjoyable 65.8°F (18.8°C) in April to a warm 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer in Salem, is still a warm month, with an average temperature ranging between max 85.6°F (29.8°C) and min 64.6°F (18.1°C). The shift from May to June is marked by an increase in the average high-temperature, moving from a warm 75.7°F (24.3°C) to a still moderately hot 85.6°F (29.8°C). Weather in June »

Weather in July

July in Salem, Missouri, is a tropical summer month, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 67.1°F (19.5°C). Temperature records mark July as the warmest month, with highs averaging 88.5°F (31.4°C) and lows at 67.1°F (19.5°C). The average heat index in July is calculated to be a blisteringly hot 104°F (40°C). Weather in July »

Weather in August

August, the last month of the summer in Salem, is also a hot month, with an average temperature ranging between min 65.5°F (18.6°C) and max 86.5°F (30.3°C). Salem experiences a recorded average high-temperature of a still tropical 86.5°F (30.3°C) in August, closely aligned with July's 88.5°F (31.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Salem, Missouri, with an average temperature varying between 79.7°F (26.5°C) and 58.6°F (14.8°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 86.5°F (30.3°C) in August to a warm 79.7°F (26.5°C). Weather in September »

Weather in October

October, like September, in Salem, Missouri, is another refreshing autumn month, with an average temperature fluctuating between 66°F (18.9°C) and 47.7°F (8.7°C). The start of October involves a temperature drop, moving from a moderately hot 79.7°F (26.5°C) in September to a refreshing 66°F (18.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Salem, Missouri, with an average temperature varying between 53.4°F (11.9°C) and 37.2°F (2.9°C). November's onset brings a slight change in high-temperatures, falling from an enjoyable 66°F (18.9°C) in October to a cool 53.4°F (11.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Salem, Missouri, with an average temperature ranging between min 29.7°F (-1.3°C) and max 43.5°F (6.4°C). Salem in December experiences a subtle temperature decline, with average high-temperatures reducing from a fresh 53.4°F (11.9°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
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Frequently asked questions

What are the coldest months in Salem?

January is Salem's coldest month, registering average high temperatures of 39.9°F (4.4°C) and lows of 24.8°F (-4°C).

How many days does it rain in Salem?

In Salem, during the entire year, the rain falls for 151.7 days and collects up to 33.98" (863mm) of precipitation.

When does it snow in Salem?

January through April, October through December are months with snowfall in Salem.

How many days does it snow in Salem?

Throughout the year, there are 24 snowfall days, and 10.98" (279mm) of snow is accumulated.

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

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

When does it snow the most in Salem?

The month with the most snowfall is February, when snow falls for 6.8 days and typically aggregates up to 4.25" (108mm) of snow.

What is the month with the least sunshine in Salem?

The month with the least sunshine in Salem is February, with an average of 4.7h of sunshine.

What is the most humid month in Salem?

The most humid month is March, with an average relative humidity of 79%.

When is Daylight Saving Time (DST) in Salem?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Salem, 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 Salem?

The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 4.13" (105mm) of precipitation.

When it does not snow in Salem?

In Salem, snow does not fall in May through September.

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

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 Salem?

With an average of 14h and 42min of daylight, June has the longest days of the year in Salem.

What month has the most sunshine in Salem?

With an average of 10.3h of sunshine, June has the most sunshine of the year in Salem.

What month is the hottest in Salem?

July, recording an average high temperature of 88.5°F (31.4°C) and a low temperature of 67.1°F (19.5°C), is Salem's warmest month.

What is the driest month in Salem?

The month with the least rainfall in Salem, Missouri, is September, when the rain falls for 11.8 days and typically collects 1.93" (49mm) of precipitation.

What is the least humid month in Salem?

With an average relative humidity of 74%, October is the least humid month.

What is the month with the shortest days in Salem?

The month with the shortest days in Salem, Missouri, is December, with an average of 9h and 36min of daylight.

Average temperature
Salem, MO

Average temperature - Salem, MO

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.9°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure
Salem, MO

Average pressure - Salem, MO

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
Salem, MO

Average wind speed - Salem, MO

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average rainfall
Salem, MO

Average rainfall - Salem, MO

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days
Salem, MO

Average rainfall days - Salem, MO

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall
Salem, MO

Average snowfall - Salem, MO

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Salem, MO

Average snowfall days - Salem, MO

The months with the highest number of snowfall days are January and February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Salem, MO

Average daylight / Average sunshine - Salem, MO

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).

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Salem, MO

Average sunshine days - Salem, MO

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index
Salem, MO

Average UV index - Salem, 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, November and December (UV index 2).

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Average visibility
Salem, MO

Average visibility - Salem, MO

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

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Salem, Missouri, USA

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