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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
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). With average high and low temperatures of 36.1°F (2.3°C) and 23.2°F (-4.9°C) respectively, January is West Alton's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in West Alton, Missouri, with an average temperature fluctuating between 40.8°F (4.9°C) and 26.8°F (-2.9°C). West Alton marks the onset of February with an average high-temperature of a still icy 40.8°F (4.9°C), a subtle shift from January's 36.1°F (2.3°C). Weather in February »
Weather in March
March, the first month of the spring in West Alton, is a fresh month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 53.2°F (11.8°C). With the onset of March, West Alton experiences a temperature shift, with the average high-temperature moving from an icy 40.8°F (4.9°C) in February to a cool 53.2°F (11.8°C). Weather in March »
Weather in April
April in West Alton, Missouri, is an enjoyable spring month, with an average temperature fluctuating between 46.8°F (8.2°C) and 64.6°F (18.1°C). The shift into April brings an increase in the average high-temperature, moving from a cool 53.2°F (11.8°C) in March to a refreshing 64.6°F (18.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in West Alton, Missouri, with an average temperature fluctuating between 56.8°F (13.8°C) and 74.1°F (23.4°C). The arrival of May signals an increase in the average high-temperature, moving from an enjoyable 64.6°F (18.1°C) in April to a moderately hot 74.1°F (23.4°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in West Alton, Missouri, with an average temperature ranging between max 82.9°F (28.3°C) and min 65.8°F (18.8°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a warm 74.1°F (23.4°C) in May to a still moderately hot 82.9°F (28.3°C). Weather in June »
Weather in July
July, like June, in West Alton, Missouri, is another warm summer month, with an average temperature varying between 67.6°F (19.8°C) and 85.3°F (29.6°C). In West Alton, the peak average temperatures are observed in July, with a high of 85.3°F (29.6°C) and a low of 67.6°F (19.8°C). During July, the heat index is calculated to be a torrid 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in West Alton, Missouri, with an average temperature varying between 84°F (28.9°C) and 65.7°F (18.7°C). In the transition from July to August, West Alton reports an average high-temperature of a still moderately hot 84°F (28.9°C), indicating a close resemblance to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in West Alton, is also a moderately hot month, with an average temperature varying between 59.5°F (15.3°C) and 78.6°F (25.9°C). The transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 78.6°F (25.9°C) from August's moderately hot 84°F (28.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in West Alton, Missouri, with an average temperature ranging between max 65.5°F (18.6°C) and min 48.6°F (9.2°C). West Alton's transition into October involves a shift in temperature, receding from a moderately hot 78.6°F (25.9°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »
Weather in November
November, the last month of the autumn in West Alton, is also a fresh month, with an average temperature ranging between max 52.2°F (11.2°C) and min 37°F (2.8°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a refreshing 65.5°F (18.6°C) in October to a fresh 52.2°F (11.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in West Alton, Missouri, with an average temperature varying between 41.2°F (5.1°C) and 29.5°F (-1.4°C). West Alton's December weather shows a moderate shift in high-temperatures, falling from November's cool 52.2°F (11.2°C) to an icy 41.2°F (5.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in West Alton?
West Alton's coldest temperatures are experienced in January, with average high temperatures of 36.1°F (2.3°C) and lows of 23.2°F (-4.9°C).
How many days does it rain in West Alton?
In West Alton, 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?
In West Alton, Missouri, during the entire year, snow falls for 17.9 days and aggregates up to 3.58" (91mm) of snow.
What is the month with the least sunshine in West Alton?
The months with the least sunshine are January and February, with an average of 4.5h of sunshine.
What is the month with the lowest UV index in West Alton?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month in West Alton?
February is the month with the least rainfall. Rain falls for 6 days and accumulates 0.83" (21mm) of precipitation.
When does it snow the most in West Alton?
February is the month with the most snowfall in West Alton. Snow falls for 5.2 days and accumulates 1.14" (29mm) of snow.
When is Daylight Saving Time (DST) in West Alton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Alton, 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.
When it does not snow in West Alton?
April through October are months without snowfall in West Alton, Missouri.
What is the rainiest month in West Alton?
The month with the most rainfall 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 in West Alton, Missouri, with an average of 14h and 48min of daylight.
What month has the most sunshine in West Alton?
The month with the most sunshine is June, with an average of 10.4h of sunshine.
What are the months with the highest UV index in West Alton?
The months with the highest UV index in West Alton, Missouri, are June through August, with an average maximum UV index of 6.
What are the warmest months in West Alton?
West Alton's July weather, marked by an average high temperature of 85.3°F (29.6°C) and an average low temperature of 67.6°F (19.8°C), is the warmest in the year.
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, Missouri.
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 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
West Alton, MO
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°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 (23.2°F).
Average pressure
West Alton, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"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).
Average wind speed
West Alton, MO
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
West Alton, MO
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
West Alton, MO
- Average rainfall in January:
0.94" - Average rainfall in February:
0.83" - Average rainfall in March:
1.26" - Average rainfall in April:
2.01" - Average rainfall in May:
2.44" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.36" - Average rainfall in September:
1.3" - Average rainfall in October:
1.54" - Average rainfall in November:
1.06" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days
West Alton, MO
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
6 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.3 days
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 (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
West Alton, MO
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
West Alton, MO
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 January:
4h and 3min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days
West Alton, MO
- Average sunshine days in January:
20.9 days - Average sunshine days in February:
17 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
21 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index
West Alton, 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).
Average cloud cover
West Alton, MO
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
West Alton, 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).
West Alton, Missouri, USA
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