West Alton
Missouri, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
West Alton, MO

January, like December, in West Alton, Missouri, is a wintry winter month, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 36.1°F (2.3°C). The coldest month is January, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »

February, the last month of the winter, in West Alton, is another cold month, with average temperature fluctuating between 40.8°F (4.9°C) and 26.8°F (-2.9°C). In February, the average high-temperature is essentially the same as in January - a still wintry 40.8°F (4.9°C). Weather in February »

March, the first month of the spring, in West Alton, is a fresh month, with average temperature fluctuating between 53.2°F (11.8°C) and 37.2°F (2.9°C). In March, the average high-temperature increases, from a cold 40.8°F (4.9°C) in February, to a cool 53.2°F (11.8°C). Weather in March »

April is an enjoyable spring month in West Alton, Missouri, with average temperature ranging between max 64.6°F (18.1°C) and min 46.8°F (8.2°C). In April, the average high-temperature rises, from a fresh 53.2°F (11.8°C) in March, to a comfortable 64.6°F (18.1°C). Weather in April »

The last month of the spring, May, is a moderately hot month in West Alton, Missouri, with average temperature varying between 56.8°F (13.8°C) and 74.1°F (23.4°C). In May, the average high-temperature rises, from an enjoyable 64.6°F (18.1°C) in April, to a warm 74.1°F (23.4°C). Weather in May »

June, the first month of the summer, in West Alton, is also a moderately hot month, with average temperature fluctuating between 65.8°F (18.8°C) and 82.9°F (28.3°C). In West Alton, the average high-temperature marginally rises, from a moderately hot 74.1°F (23.4°C) in May, to a still warm 82.9°F (28.3°C). Weather in June »

July, like June, in West Alton, Missouri, is a moderately hot summer month, with average temperature ranging between max 85.3°F (29.6°C) and min 67.6°F (19.8°C). The warmest month is July, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 67.6°F (19.8°C). In July, the average heat index is appraised at a sweltering 97.7°F (36.5°C). Weather in July »

August, the last month of the summer, in West Alton, is another warm month, with average temperature ranging between min 65.7°F (18.7°C) and max 84°F (28.9°C). In August, the average high-temperature is essentially the same as in July - a still warm 84°F (28.9°C). Weather in August »

September, the first month of the autumn, in West Alton, is also a moderately hot month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 59.5°F (15.3°C). In West Alton, the average high-temperature in September slightly decreases, from a moderately hot 84°F (28.9°C) in August, to a still warm 78.6°F (25.9°C). Weather in September »

October, like September, in West Alton, Missouri, is another comfortable autumn month, with average temperature fluctuating between 65.5°F (18.6°C) and 48.6°F (9.2°C). In October, the average high-temperature drops, from a warm 78.6°F (25.9°C) in September, to a comfortable 65.5°F (18.6°C). Weather in October »

The last month of the autumn, November, is also a fresh month in West Alton, Missouri, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.2°F (11.2°C). In West Alton, the average high-temperature drops, from an enjoyable 65.5°F (18.6°C) in October, to a fresh 52.2°F (11.2°C). Weather in November »

The first month of the winter, December, is also a wintry month in West Alton, Missouri, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 29.5°F (-1.4°C). In December, the average high-temperature decreases, from a cool 52.2°F (11.2°C) in November, to a cold 41.2°F (5.1°C). Weather in December »

What is the coldest month in West Alton?

The coldest month in West Alton is January, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23.2°F (-4.9°C).

How many days does it rain in West Alton?

In West Alton, Missouri, during the entire year, the rain falls for 128.3 days and collects up to 18.9" (480mm) of precipitation.

When does it snow in West Alton?

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

How many days does it snow in West Alton?

Throughout the year, in West Alton, Missouri, there are 17.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

What is the month with the least sunshine in West Alton?

January and February, with an average of 4.5h of sunshine, are months with the least sunshine in West Alton.

When is the lowest UV index in West Alton?

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

What is the driest month in West Alton?

The month with the least rainfall in West Alton, Missouri, is February when the rain falls for 6 days and typically collects 0.83" (21mm) of precipitation.

When does it snow the most in West Alton?

The month with the most snowfall is February when snow falls for 5.2 days and typically aggregates up to 1.14" (29mm) of snow.

When it does not snow in West Alton?

April through October are months without snowfall in West Alton.

What is the rainiest month in West Alton?

The month with the most rainfall in West Alton is May when the rain falls for 15.1 days and typically aggregates up to 2.44" (62mm) of precipitation.

When are the longest days in West Alton?

June has the longest days of the year, with an average of 14.9h of daylight.

What month has the most sunshine in West Alton?

The month with the most sunshine in West Alton, Missouri, is June, with an average of 10.4h of sunshine.

When is the highest UV index in West Alton?

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

What is the warmest month in West Alton?

With an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 67.6°F (19.8°C), July is the warmest month in West Alton, Missouri.

What is the most humid month in West Alton?

With an average relative humidity of 80%, July is the most humid month in West Alton.

What is the least humid month in West Alton?

With an average relative humidity of 71%, October is the least humid month in West Alton, Missouri.

What is the month with the shortest days in West Alton?

With an average of 9.5h of daylight, December has the shortest days of the year in West Alton.
Average temperature - West Alton, MO
Average rainfall - West Alton, MO
Average rainfall days - West Alton, MO

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.7 days).

Average snowfall - West Alton, MO

The month with the highest snowfall is February (29mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days - West Alton, MO

The month with the highest number of snowfall days is January (5.4 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - West Alton, MO

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is June (Average sunshine: 10.4h).
Months with the least sunshine are January and February (Average sunshine: 4.5).

Average UV index - West Alton, MO