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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 Sumner, Missouri, is an icy winter month, with an average temperature ranging between min 20.7°F (-6.3°C) and max 33.6°F (0.9°C). With its high average temperature of 33.6°F (0.9°C) and a low of 20.7°F (-6.3°C), January is regarded as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Sumner, Missouri, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 38.3°F (3.5°C). The beginning of February records an average high-temperature of a still wintry 38.3°F (3.5°C), marking a negligible difference from January's 33.6°F (0.9°C). Weather in February »
Weather in March
March, the first month of the spring in Sumner, is a fresh month, with an average temperature fluctuating between 35.8°F (2.1°C) and 51.8°F (11°C). In March, the average high-temperature increases from an icy 38.3°F (3.5°C) in February to a fresh 51.8°F (11°C). Weather in March »
Weather in April
April is an enjoyable spring month in Sumner, Missouri, with an average temperature fluctuating between 63°F (17.2°C) and 45.3°F (7.4°C). April's arrival brings a temperature shift, moving from a cool 51.8°F (11°C) in March to a refreshing 63°F (17.2°C). Weather in April »
Weather in May
May, the last month of the spring in Sumner, is a pleasant month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 72°F (22.2°C). As May sets, the average high-temperature shows an increase, moving up from a comfortable 63°F (17.2°C) in April to a pleasant 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Sumner, is a warm month, with an average temperature fluctuating between 64.8°F (18.2°C) and 81.7°F (27.6°C). As June begins, there is an increase in the average high-temperature, moving from an agreeable 72°F (22.2°C) in May to a warm 81.7°F (27.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Sumner, Missouri, with an average temperature fluctuating between 67.3°F (19.6°C) and 84.6°F (29.2°C). July, recognised by an average high temperature of 84.6°F (29.2°C) and a low of 67.3°F (19.6°C), is Sumner's warmest month. The heat index for July is calculated to be a sweltering 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Sumner, Missouri, with an average temperature fluctuating between 64.8°F (18.2°C) and 83.1°F (28.4°C). August experiences an average high-temperature of a still warm 83.1°F (28.4°C), barely different from July's 84.6°F (29.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Sumner, is also a moderately hot month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.9°F (25.5°C). August's transformation into September witnesses an average high-temperature of a still moderately hot 77.9°F (25.5°C), noting a minor change from the preceding month. Weather in September »
Weather in October
October, like September, in Sumner, Missouri, is another comfortable autumn month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 63.7°F (17.6°C). In Sumner, the average high-temperature in October decreases from a warm 77.9°F (25.5°C) in September to a comfortable 63.7°F (17.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Sumner, is also a fresh month, with an average temperature fluctuating between 50.9°F (10.5°C) and 35.2°F (1.8°C). Sumner's progression into November includes a drop in the average high-temperature, from a comfortable 63.7°F (17.6°C) in October to a fresh 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 Sumner, Missouri, with an average temperature fluctuating between 26.1°F (-3.3°C) and 38.7°F (3.7°C). With the beginning of December, the average high-temperature shows a decrease, transitioning from a fresh 50.9°F (10.5°C) in November to a wintry 38.7°F (3.7°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Sumner?
January brings the lowest temperatures in Sumner, with an average high of 33.6°F (0.9°C) and an average low of 20.7°F (-6.3°C).
How much does it rain in Sumner?
Throughout the year, in Sumner, Missouri, there are 101.9 rainfall days, and 10.59" (269mm) of precipitation is accumulated.
When does it snow in Sumner?
Months with snowfall in Sumner are January through April, October through December.
When does it snow the most in Sumner?
January is the month with the most snowfall in Sumner. Snow falls for 6.5 days and accumulates 1.02" (26mm) of snow.
How many days does it snow in Sumner?
Throughout the year, in Sumner, Missouri, there are 20.6 snowfall days, and 2.99" (76mm) of snow is accumulated.
What is the month with the least sunshine in Sumner?
January has the least sunshine of the year, with an average of 4.6h of sunshine.
What are the months with the lowest UV index in Sumner?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Sumner?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sumner, 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 Sumner?
The months with the most rainfall are May and June, with an average 1.46" (37mm) of precipitation.
When it does not snow in Sumner?
May through September are months without snowfall.
What is the most humid month in Sumner?
June is the most humid month in Sumner, Missouri, with an average relative humidity of 81%.
When are the longest days in Sumner?
The month with the longest days in Sumner, Missouri, is June, with an average of 14h and 54min of daylight.
What is the month with the highest UV index in Sumner?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Sumner?
With average temperatures fluctuating between a high of 84.6°F (29.2°C) and a low of 67.3°F (19.6°C), July stands out as the warmest month.
What month has the most sunshine in Sumner?
July has the most sunshine of the year in Sumner, with an average of 10.5h of sunshine.
What is the least humid month in Sumner?
The least humid month in Sumner is October, with an average relative humidity of 72%.
What is the driest month in Sumner?
December is the month with the least rainfall in Sumner, Missouri. Rain falls for 4.5 days and accumulates 0.43" (11mm) of precipitation.
What is the month with the shortest days in Sumner?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Sumner.
Average temperature
Sumner, MO
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Sumner, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Sumner, MO
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Sumner, MO
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Sumner, MO
- Average rainfall in January:
0.47" - Average rainfall in February:
0.47" - Average rainfall in March:
0.87" - Average rainfall in April:
0.94" - Average rainfall in May:
1.46" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.02" - Average rainfall in August:
1.06" - Average rainfall in September:
1.06" - Average rainfall in October:
0.83" - Average rainfall in November:
0.51" - Average rainfall in December:
0.43"
The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days
Sumner, MO
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
12.2 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall
Sumner, MO
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sumner, MO
- Average snowfall days in January:
6.5 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sumner, 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 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Sumner, MO
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
18 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index
Sumner, 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
Sumner, MO
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Sumner, 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).
Sumner, Missouri, USA
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