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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, is another subzero cold winter month in Mercer, Missouri, with an average temperature fluctuating between 30.6°F (-0.8°C) and 16.9°F (-8.4°C). January stands out as Mercer's coldest month, with temperatures ranging between an average high of 30.6°F (-0.8°C) and a low of 16.9°F (-8.4°C). Weather in January »
Weather in February
February, the last month of the winter in Mercer, is an icy month, with an average temperature varying between 34.3°F (1.3°C) and 19.8°F (-6.8°C). February's climate shows a minor adjustment in average high-temperatures to a wintry 34.3°F (1.3°C) from January's 30.6°F (-0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mercer, Missouri, with an average temperature ranging between min 33.4°F (0.8°C) and max 48.9°F (9.4°C). Mercer, Missouri, experiences a noticeable temperature shift with the start of March, with average high-temperatures moving from a wintry 34.3°F (1.3°C) in February to a frosty 48.9°F (9.4°C). Weather in March »
Weather in April
April in Mercer, Missouri, is a refreshing spring month, with an average temperature fluctuating between 43°F (6.1°C) and 60.4°F (15.8°C). April shows a rise in the average high-temperature, moving from March's chilly 48.9°F (9.4°C) to a mild 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Mercer, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 53.1°F (11.7°C). An increase in the average high-temperature marks May, moving from April's refreshing 60.4°F (15.8°C) to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Mercer, Missouri, with an average temperature varying between 79.9°F (26.6°C) and 63.1°F (17.3°C). June's onset brings a rise in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Mercer, Missouri, is a moderately hot summer month, with an average temperature ranging between min 66°F (18.9°C) and max 83.5°F (28.6°C). In Mercer, the month of July is known for its highest average temperatures, reaching a high of 83.5°F (28.6°C) and a low of 66°F (18.9°C). The heat index value for July is calculated to be a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mercer, Missouri, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 63.5°F (17.5°C). The arrival of August is marked by an average high-temperature of a still moderately hot 81.9°F (27.7°C), bearing a close resemblance to July. Weather in August »
Weather in September
September, the first month of the autumn in Mercer, is also a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 76.1°F (24.5°C). Mercer observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 81.9°F (27.7°C) to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Mercer, Missouri, with an average temperature varying between 61.7°F (16.5°C) and 44.4°F (6.9°C). The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a moderately hot 76.1°F (24.5°C) to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Mercer, is also a frosty month, with an average temperature fluctuating between 48.6°F (9.2°C) and 33.1°F (0.6°C). November is characterized by a reduction in the average high-temperature, from a comfortable 61.7°F (16.5°C) in October to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Mercer, Missouri, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 35.6°F (2°C). Stepping into December, Mercer observes a temperature decline, with the average high falling from November's frosty 48.6°F (9.2°C) to an icy 35.6°F (2°C). Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 16.9°F (-8.4°C).
What is the driest month?
January and December are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 0.67" (17mm) of rain.
How many days does it rain?
Throughout the year, there are 132.4 rainfall days, and 20.24" (514mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 2.72" (69mm) of snow.
How much does it snow?
In Mercer, during the entire year, snow falls for 30.2 days and aggregates up to 10.16" (258mm) of snow.
What is the month with the least sunshine?
With an average of 4.4h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mercer, 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 most humid month?
The most humid month is June, with an average relative humidity of 83%.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.43" (87mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Mercer?
The month of July, characterized by an average high of 83.5°F (28.6°C) and a low of 66°F (18.9°C), is recognized as the warmest.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the least humid month?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Mercer, MO
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Mercer, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Mercer, MO
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Mercer, MO
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Mercer, MO
- Average rainfall in January:
0.67" - Average rainfall in February:
0.71" - Average rainfall in March:
1.5" - Average rainfall in April:
1.81" - Average rainfall in May:
2.8" - Average rainfall in June:
3.43"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.93" - Average rainfall in September:
2.24" - Average rainfall in October:
1.54" - Average rainfall in November:
1.06" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days
Mercer, MO
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Mercer, MO
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mercer, MO
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mercer, MO
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- 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:
9h and 5min - Average daylight in December:
9h and 2min
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 18min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Mercer, MO
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
15 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
8.9 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index
Mercer, MO
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Mercer, MO
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Mercer, 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).
Mercer, Missouri, USA
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