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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 chilly winter month in Old Union, Mississippi, with an average temperature fluctuating between 49.6°F (9.8°C) and 34.7°F (1.5°C). January, with its average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.7°F (1.5°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cool month in Old Union, Mississippi, with an average temperature varying between 54.5°F (12.5°C) and 39.2°F (4°C). As February takes its course, Old Union's average high-temperature registers at a fresh 54.5°F (12.5°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Old Union, is an enjoyable month, with an average temperature ranging between max 63°F (17.2°C) and min 45.5°F (7.5°C). As March arrives, Old Union's weather shows a minor increase in high-temperatures, edging from February's fresh 54.5°F (12.5°C) to a refreshing 63°F (17.2°C). Weather in March »
Weather in April
April is an agreeable spring month in Old Union, Mississippi, with an average temperature varying between 72.1°F (22.3°C) and 53.1°F (11.7°C). Old Union in April shows a temperature shift, moving from an average high of an enjoyable 63°F (17.2°C) in March to a pleasant 72.1°F (22.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Old Union, Mississippi, with an average temperature varying between 80.4°F (26.9°C) and 61.5°F (16.4°C). Old Union, Mississippi, perceives a slight temperature ascent during May, with average high-temperatures adjusting from a pleasant 72.1°F (22.3°C) in April to a moderately hot 80.4°F (26.9°C). Weather in May »
Weather in June
June, the first month of the summer in Old Union, is a tropical month, with an average temperature varying between 89.1°F (31.7°C) and 68.5°F (20.3°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a moderately hot 80.4°F (26.9°C) to a tropical 89.1°F (31.7°C). Weather in June »
Weather in July
July, the same as June, in Old Union, Mississippi, is another hot summer month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 90.9°F (32.7°C). July temperatures tend to peak at an average high of 90.9°F (32.7°C) and dip to a low of 71.2°F (21.8°C). For most parts of July, the heat index is estimated at a blisteringly hot 111.2°F (44°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Old Union, Mississippi, with an average temperature ranging between max 90.7°F (32.6°C) and min 70.9°F (21.6°C). The shift into August reveals an average high-temperature of a still hot 90.7°F (32.6°C), closely mirroring July's climate. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Old Union, Mississippi, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 85.3°F (29.6°C). In Old Union, the average high-temperature in September gently drops from a hot 90.7°F (32.6°C) in August to a warm 85.3°F (29.6°C). Weather in September »
Weather in October
October, like September, in Old Union, Mississippi, is a moderately hot autumn month, with an average temperature varying between 54.1°F (12.3°C) and 74.1°F (23.4°C). As September transitions to October, the average high-temperature falls from a moderately hot 85.3°F (29.6°C) to a still warm 74.1°F (23.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Old Union, is also an enjoyable month, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 60.8°F (16°C). Old Union's weather in November involves a decrease in the average high-temperature, moving down from October's warm 74.1°F (23.4°C) to a refreshing 60.8°F (16°C). Weather in November »
Weather in December
December, the first month of the winter in Old Union, is still a cool month, with an average temperature fluctuating between 52.9°F (11.6°C) and 39.6°F (4.2°C). December signifies a minor drop in average high-temperature, transitioning from a comfortable 60.8°F (16°C) in November to a cool 52.9°F (11.6°C). Weather in December »
Updated: Feb 13, 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 are the coldest months in Old Union?
January is the month when Old Union, Mississippi, experiences its coldest temperatures, averaging a high of 49.6°F (9.8°C) and a low of 34.7°F (1.5°C).
How much does it rain in Old Union?
Throughout the year, there are 155.2 rainfall days, and 33.27" (845mm) of precipitation is accumulated.
When does it snow in Old Union?
January through March and December are months with snowfall.
What is the snowiest month in Old Union?
The months with the most snowfall in Old Union, Mississippi, are January and February, with an average 0.43" (11mm) of accumulated snow.
How much does it snow in Old Union?
In Old Union, during the entire year, snow falls for 5.2 days and aggregates up to 1.22" (31mm) of snow.
When is the lowest UV index in Old Union?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Old Union, Mississippi.
What is the wettest month in Old Union?
February is the month with the most rainfall in Old Union, Mississippi. Rain falls for 12.1 days and accumulates 3.58" (91mm) of precipitation.
What are the months with the least sunshine in Old Union?
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.
When is Daylight Saving Time (DST) in Old Union?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Old Union, Mississippi, 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 Old Union?
April through November are months without snowfall.
When are the longest days in Old Union?
June has the longest days of the year in Old Union, with an average of 14h and 24min of daylight.
What month has the most sunshine in Old Union?
The month with the most sunshine is June, with an average of 10.7h of sunshine.
What are the months with the highest UV index in Old Union?
June and July, with an average maximum UV index of 7, are months with the highest UV index in Old Union.
What part of the year is the hottest in Old Union?
July, on average, is the warmest month in Old Union, Mississippi, registering a high temperature of 90.9°F (32.7°C) and a low of 71.2°F (21.8°C).
What is the least humid month in Old Union?
October is the least humid month in Old Union, with an average relative humidity of 71%.
What is the driest month in Old Union?
November is the month with the least rainfall in Old Union. Rain falls for 8.5 days and accumulates 1.81" (46mm) of precipitation.
What is the most humid month in Old Union?
The most humid month is December, with an average relative humidity of 80%.
What is the month with the shortest days in Old Union?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Old Union, Mississippi.
Average temperature
Old Union, MS
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (49.6°F).
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure
Old Union, 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"Hg - Average pressure in October:
30.04"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
Old Union, MS
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity
Old Union, MS
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Old Union, MS
- Average rainfall in January:
3.03" - Average rainfall in February:
3.58" - Average rainfall in March:
2.99" - Average rainfall in April:
3.19" - Average rainfall in May:
2.68" - Average rainfall in June:
2.72"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.36" - Average rainfall in September:
2.05" - Average rainfall in October:
2.28" - Average rainfall in November:
1.81" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is February (3.58").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days
Old Union, MS
- Average rainfall days in January:
11.4 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Old Union, MS
The months with the highest snowfall are January and February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Old Union, MS
- Average snowfall days in January:
1.7 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:
0.1 days - Average snowfall days in December:
0.9 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
Old Union, 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:
14h and 0min - 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 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 5min - 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 months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Old Union, MS
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Old Union, MS
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Old Union, MS
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility
Old Union, 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).
Old Union, Mississippi, USA
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