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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, the same as December, is a cool winter month in Sumner, Mississippi, with an average temperature fluctuating between 50.2°F (10.1°C) and 36.9°F (2.7°C). January is the coldest month, exhibiting average temperatures of 50.2°F (10.1°C) at the peak and 36.9°F (2.7°C) at the base. Weather in January »
Weather in February
The last month of the winter, February, is another cool month in Sumner, Mississippi, with an average temperature ranging between min 40.6°F (4.8°C) and max 54.7°F (12.6°C). Sumner records an average high-temperature of a still fresh 54.7°F (12.6°C) in February, maintaining a close correlation with January's 50.2°F (10.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Sumner, Mississippi, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 47.3°F (8.5°C). In Sumner, stepping into March brings a gentle temperature nudge, moving slightly up from February's cool 54.7°F (12.6°C) to an enjoyable 63.5°F (17.5°C). Weather in March »
Weather in April
April in Sumner, Mississippi, is an agreeable spring month, with an average temperature ranging between min 55.4°F (13°C) and max 72.7°F (22.6°C). With the arrival of April, the average high-temperature transitions from a comfortable 63.5°F (17.5°C) in March to an agreeable 72.7°F (22.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Sumner, Mississippi, with an average temperature ranging between min 64.8°F (18.2°C) and max 81.1°F (27.3°C). The shift from April to May sees a slight increase in the average high-temperature, transitioning from a pleasant 72.7°F (22.6°C) to a warm 81.1°F (27.3°C). Weather in May »
Weather in June
June, the first month of the summer in Sumner, is a tropical month, with an average temperature fluctuating between 88.7°F (31.5°C) and 72.1°F (22.3°C). Sumner's weather shows a minor temperature rise with the arrival of June, moving from a warm 81.1°F (27.3°C) in May to a hot 88.7°F (31.5°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Sumner, Mississippi, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 90°F (32.2°C). With average high temperatures of 90°F (32.2°C) and lows of 73.4°F (23°C), July is the warmest month. For July, the heat index is appraised at a blisteringly hot 109.4°F (43°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Sumner, Mississippi, with an average temperature varying between 71.6°F (22°C) and 88.9°F (31.6°C). August's commencement is accompanied by an average high-temperature of a still hot 88.9°F (31.6°C), diverging marginally from July's 90°F (32.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Sumner, is also a moderately hot month, with an average temperature ranging between max 85.5°F (29.7°C) and min 66.9°F (19.4°C). The average high-temperature in September, at a warm 85.5°F (29.7°C), reveals a modest deviation from August's 88.9°F (31.6°C). Weather in September »
Weather in October
October, like September, in Sumner, Mississippi, is another warm autumn month, with an average temperature varying between 74.3°F (23.5°C) and 55.9°F (13.3°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 85.5°F (29.7°C) to a still warm 74.3°F (23.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sumner, is another refreshing month, with an average temperature ranging between min 46°F (7.8°C) and max 61.7°F (16.5°C). A shift in Sumner's weather is observed as October turns into November, with the average high temperature reducing from a warm 74.3°F (23.5°C) to an enjoyable 61.7°F (16.5°C). Weather in November »
Weather in December
December, the first month of the winter in Sumner, is still a cool month, with an average temperature ranging between min 41°F (5°C) and max 53.4°F (11.9°C). With the onset of December, Sumner's climate undergoes a slight change as the average high-temperature moves from a comfortable 61.7°F (16.5°C) in November to a fresh 53.4°F (11.9°C). Weather in December »
Updated: Aug 9, 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 time of the year is the coldest?
In Sumner, January is the coldest month, with temperatures averaging a high of 50.2°F (10.1°C) and a low of 36.9°F (2.7°C).
How many days does it rain?
In Sumner, during the entire year, the rain falls for 161.1 days and collects up to 42.24" (1073mm) of precipitation.
When does it snow?
Months with snowfall are January through March, November and December.
How much does it snow?
Throughout the year, there are 3.3 snowfall days, and 1.38" (35mm) of snow is accumulated.
What are the months with the lowest UV index?
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.
What are the most humid months?
February, March and December, with an average relative humidity of 78%, are most humid months.
What is the snowiest month in Sumner?
The month with the most snowfall is February, when snow falls for 1.3 days and typically aggregates up to 0.91" (23mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.7h of sunshine.
When is Daylight Saving Time (DST)?
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 wettest month?
The month with the most rainfall is April, when the rain falls for 13.2 days and typically aggregates up to 4.72" (120mm) of precipitation.
When it does not snow?
April through October are months without snowfall.
When are the longest days?
The month with the longest days in Sumner is June, with an average of 14h and 24min of daylight.
What month has the most sunshine in Sumner?
June has the most sunshine of the year, with an average of 10.7h of sunshine.
What are the months with the highest UV index in Sumner?
June through August, with an average maximum UV index of 7, are months with the highest UV index.
What time of the year is the hottest?
Sumner experiences its average highest temperatures in July, reaching a peak of 90°F (32.2°C) and a minimum of 73.4°F (23°C).
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.
What is the least humid month in Sumner?
With an average relative humidity of 67%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
Average temperature
Sumner, MS
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.2°F).
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure
Sumner, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Sumner, MS
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.3mph - Average wind speed in November:
8mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Sumner, MS
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Sumner, MS
- Average rainfall in January:
3.35" - Average rainfall in February:
4.45" - Average rainfall in March:
3.9" - Average rainfall in April:
4.72" - Average rainfall in May:
4.09" - Average rainfall in June:
3.11"
- Average rainfall in July:
3.66" - Average rainfall in August:
2.99" - Average rainfall in September:
1.97" - Average rainfall in October:
3.15" - Average rainfall in November:
2.6" - Average rainfall in December:
4.25"
The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days
Sumner, MS
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
12.6 days - Average rainfall days in March:
15.9 days - Average rainfall days in April:
13.2 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
12.3 days
The months with the highest number of rainy days are July and August (17.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall
Sumner, MS
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Sumner, MS
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 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:
0.5 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sumner, MS
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Sumner, MS
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is August (11.1 days).
Average UV index
Sumner, MS
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Sumner, MS
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility
Sumner, MS
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, Mississippi, USA
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