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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 another fresh winter month in Decatur, Mississippi, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 37.8°F (3.2°C). Decatur reaches its lowest average temperatures in January, measuring 54.5°F (12.5°C) at the peak and 37.8°F (3.2°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is a refreshing month in Decatur, Mississippi, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 59.2°F (15.1°C). As Decatur welcomes February, the average high-temperature is noted at a moderate 59.2°F (15.1°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Decatur, Mississippi, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 48.4°F (9.1°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's moderate 59.2°F (15.1°C) to a comfortable 67.1°F (19.5°C). Weather in March »
Weather in April
April in Decatur, Mississippi, is a warm spring month, with an average temperature varying between 76.1°F (24.5°C) and 54.7°F (12.6°C). April comes with an increase, with the average high-temperature moving from a refreshing 67.1°F (19.5°C) in March to a warm 76.1°F (24.5°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Decatur, Mississippi, with an average temperature fluctuating between 62.2°F (16.8°C) and 83.5°F (28.6°C). As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a moderately hot 76.1°F (24.5°C) to a still warm 83.5°F (28.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Decatur, Mississippi, with an average temperature varying between 69.8°F (21°C) and 90.5°F (32.5°C). Decatur's transition into June brings a slight rise in the average high-temperature, moving from a warm 83.5°F (28.6°C) in May to a tropical 90.5°F (32.5°C). Weather in June »
Weather in July
July, the same as June, in Decatur, Mississippi, is another hot summer month, with an average temperature ranging between min 71.4°F (21.9°C) and max 91.4°F (33°C). July is the month when Decatur's temperatures reach their peak, with averages of 91.4°F (33°C) and lows of 71.4°F (21.9°C). The heat index in July is computed to be a blazing hot 114.8°F (46°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Decatur, Mississippi, with temperature in the range of an average low of 71.8°F (22.1°C) and an average high of 91.2°F (32.9°C). The ushering in of August brings an average high-temperature of a still hot 91.2°F (32.9°C), closely mirroring the 91.4°F (33°C) of July. Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Decatur, Mississippi, with temperature in the range of an average high of 86.7°F (30.4°C) and an average low of 66.9°F (19.4°C). Decatur's September showcases an average high-temperature of a still hot 86.7°F (30.4°C), hardly distinct from August's 91.2°F (32.9°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Decatur, Mississippi, with an average temperature fluctuating between 76.8°F (24.9°C) and 56.3°F (13.5°C). A moderate decline in the average high-temperature is seen during October, decreasing from a tropical 86.7°F (30.4°C) in September to a warm 76.8°F (24.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Decatur, is another refreshing month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 64.4°F (18°C). Stepping into November, Decatur observes a temperature decline, with the average high falling from October's moderately hot 76.8°F (24.9°C) to an enjoyable 64.4°F (18°C). Weather in November »
Weather in December
The first month of the winter, December, is also a moderate month in Decatur, Mississippi, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.2°F (14°C). In Decatur, the average high-temperature in December gently drops from an enjoyable 64.4°F (18°C) in November to a mild 57.2°F (14°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Decatur?
Decatur experiences its average lowest temperatures in January, reaching a peak of 54.5°F (12.5°C) and a minimum of 37.8°F (3.2°C).
How many days does it rain in Decatur?
Throughout the year, in Decatur, there are 167.6 rainfall days, and 36.54" (928mm) of precipitation is accumulated.
When does it snow in Decatur?
Months with snowfall in Decatur, Mississippi, are January through March and December.
What is the snowiest month in Decatur?
January is the month with the most snowfall in Decatur, Mississippi. Snow falls for 0.8 days and accumulates 0.43" (11mm) of snow.
How many days does it snow in Decatur?
In Decatur, Mississippi, during the entire year, snow falls for 1.8 days and aggregates up to 1.02" (26mm) of snow.
When is the lowest UV index in Decatur?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
When is Daylight Saving Time (DST) in Decatur?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Decatur, 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 Decatur?
In Decatur, snow does not fall in April through November.
When are the longest days in Decatur?
The month with the longest days in Decatur is June, with an average of 14h and 12min of daylight.
What month has the most sunshine in Decatur?
With an average of 10.5h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Decatur?
The months with the highest UV index in Decatur, Mississippi, are June and July, with an average maximum UV index of 7.
What is the warmest month in Decatur?
July is the month when Decatur experiences its warmest temperatures, averaging a high of 91.4°F (33°C) and a low of 71.4°F (21.9°C).
What is the least humid month in Decatur?
The least humid month in Decatur is October, with an average relative humidity of 70%.
What is the driest month in Decatur?
November is the month with the least rainfall. Rain falls for 8.9 days and accumulates 2.09" (53mm) of precipitation.
What is the most humid month in Decatur?
The most humid month in Decatur is December, with an average relative humidity of 81%.
What is the rainiest month in Decatur?
December is the month with the most rainfall in Decatur. Rain falls for 13.3 days and accumulates 3.7" (94mm) of precipitation.
What is the month with the shortest days in Decatur?
December has the shortest days of the year, with an average of 10h and 6min of daylight.
What is the month with the least sunshine in Decatur?
With an average of 4.9h of sunshine, December has the least sunshine of the year in Decatur, Mississippi.
Average temperature
Decatur, MS
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.5°F).
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure
Decatur, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"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 (29.96"Hg).
Average wind speed
Decatur, MS
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
7mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Decatur, MS
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Decatur, MS
- Average rainfall in January:
3.39" - Average rainfall in February:
3.27" - Average rainfall in March:
3.31" - Average rainfall in April:
3.31" - Average rainfall in May:
2.6" - Average rainfall in June:
2.95"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days
Decatur, MS
- Average rainfall days in January:
11.9 days - Average rainfall days in February:
13.9 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
19.1 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
13.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Decatur, MS
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Decatur, MS
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0.2 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Decatur, MS
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 1min
- Average daylight in July:
14h and 0min - 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 3min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Decatur, MS
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
10 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (9 days).
Average UV index
Decatur, MS
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Decatur, MS
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Decatur, MS
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Decatur, Mississippi, USA
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