Climate and monthly weather forecastMarietta, MS
Climate and monthly weather forecast
Weather in January
January, the same as December, in Marietta, Mississippi, is another chilly winter month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 48.7°F (9.3°C). January, characterized by an average high temperature of 48.7°F (9.3°C) and a low temperature of 34°F (1.1°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Marietta, is a fresh month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37.9°F (3.3°C). The arrival of February brings an average high-temperature of a cool 53.8°F (12.1°C), closely following the temperature pattern of January. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Marietta, Mississippi, with an average temperature varying between 61.9°F (16.6°C) and 44.6°F (7°C). Marietta in March experiences a slight uptick in the average high-temperature, adjusting from February's cool 53.8°F (12.1°C) to a comfortable 61.9°F (16.6°C). Weather in March »Weather in April
April in Marietta, Mississippi, is a pleasant spring month, with an average temperature fluctuating between 71.8°F (22.1°C) and 52.7°F (11.5°C). April comes with an increase, with the average high-temperature moving from an enjoyable 61.9°F (16.6°C) in March to an agreeable 71.8°F (22.1°C). Weather in April »Weather in May
May, the last month of the spring in Marietta, is a moderately hot month, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 80.2°F (26.8°C). The shift from April to May is marked by a slight increase in the average high-temperature, moving from an agreeable 71.8°F (22.1°C) to a moderately hot 80.2°F (26.8°C). Weather in May »Weather in June
June, the first month of the summer in Marietta, is a hot month, with temperature in the range of an average low of 68.4°F (20.2°C) and an average high of 89.1°F (31.7°C). June's arrival brings a slight change in high-temperatures, adjusting from a moderately hot 80.2°F (26.8°C) in May to a hot 89.1°F (31.7°C). Weather in June »Weather in July
July, the same as June, in Marietta, Mississippi, is another tropical summer month, with an average temperature varying between 70.7°F (21.5°C) and 90.7°F (32.6°C). July, with its average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 70.7°F (21.5°C), holds the record as the warmest month. July's average heat index is evaluated at an extremely hot 111.2°F (44°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Marietta, Mississippi, with an average temperature ranging between max 90.3°F (32.4°C) and min 69.8°F (21°C). The average high-temperature in August, at a still tropical 90.3°F (32.4°C), reveals a modest deviation from July's 90.7°F (32.6°C). Weather in August »Weather in September
September, the first month of the autumn in Marietta, is also a moderately hot month, with an average temperature varying between 84.9°F (29.4°C) and 64.8°F (18.2°C). The arrival of September correlates with a minor temperature reduction, down from August's hot 90.3°F (32.4°C) to a warm 84.9°F (29.4°C). Weather in September »Weather in October
October, the same as September, in Marietta, Mississippi, is another pleasant autumn month, with an average temperature ranging between min 53.1°F (11.7°C) and max 72.7°F (22.6°C). With October's arrival, Marietta sees a decrease in average high-temperatures, moving from a warm 84.9°F (29.4°C) in September to a pleasant 72.7°F (22.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Marietta, Mississippi, with an average temperature fluctuating between 43°F (6.1°C) and 59.9°F (15.5°C). The onset of November introduces a moderate change in Marietta's weather, with average high-temperatures falling from October's pleasant 72.7°F (22.6°C) to a mild 59.9°F (15.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Marietta, Mississippi, with an average temperature fluctuating between 38.5°F (3.6°C) and 52.2°F (11.2°C). Marietta's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's moderate 59.9°F (15.5°C) to a cool 52.2°F (11.2°C). Weather in December »Updated: Feb 12, 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
January stands out as Marietta's coldest month, with temperatures ranging between an average high of 48.7°F (9.3°C) and a low of 34°F (1.1°C).
In Marietta, during the entire year, the rain falls for 165 days and collects up to 39.29" (998mm) of precipitation.
Months with snowfall in Marietta, Mississippi, are January through March, November and December.
January is the month with the most snowfall in Marietta, Mississippi. Snow falls for 1.6 days and accumulates 0.47" (12mm) of snow.
Throughout the year, in Marietta, there are 5.3 snowfall days, and 1.34" (34mm) of snow is accumulated.
February is the month with the most rainfall. Rain falls for 13 days and accumulates 4.29" (109mm) of precipitation.
The month with the least sunshine is February, with an average of 4.5h of sunshine.
March and December, with an average relative humidity of 80%, are most humid months.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
In Marietta, Mississippi, snow does not fall in April through October.
With an average of 14h and 24min of daylight, June has the longest days of the year.
The months with the most sunshine in Marietta are June through August, with an average of 10.3h of sunshine.
The months with the highest UV index are June and July, with an average maximum UV index of 7.
Marietta's temperatures tend to reach their peak averages in July, with a high of 90.7°F (32.6°C) and a low of 70.7°F (21.5°C).
The month with the least rainfall in Marietta is September, when the rain falls for 12.8 days and typically collects 2.24" (57mm) of precipitation.
With an average relative humidity of 71%, October is the least humid month in Marietta, Mississippi.
With an average of 9h and 54min of daylight, December has the shortest days of the year.
The month with the lowest UV index in Marietta, Mississippi, is December, with an average maximum UV index of 2.
Average temperature
Marietta, MS
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure
Marietta, 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:
29.98"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"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
Marietta, MS
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity
Marietta, MS
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Marietta, MS
- Average rainfall in January:
3.54" - Average rainfall in February:
4.29" - Average rainfall in March:
3.66" - Average rainfall in April:
3.82" - Average rainfall in May:
3.39" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.9" - Average rainfall in August:
2.83" - Average rainfall in September:
2.24" - Average rainfall in October:
2.95" - Average rainfall in November:
2.28" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days
Marietta, MS
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
13 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
13.5 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall
Marietta, MS
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Marietta, MS
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.7 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:
0.5 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Marietta, MS
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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:
4h and 48min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 12min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Marietta, MS
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
12 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index
Marietta, MS
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Marietta, MS
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Marietta, MS
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
