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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 Dean, Louisiana, with an average temperature fluctuating between 37.9°F (3.3°C) and 53.2°F (11.8°C). Dean's January weather reaches an average high of 53.2°F (11.8°C) and an average low of 37.9°F (3.3°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a refreshing month in Dean, Louisiana, with an average temperature varying between 41.9°F (5.5°C) and 57°F (13.9°C). In February, Dean notes an average high-temperature of a moderate 57°F (13.9°C), hardly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Dean, Louisiana, with an average temperature ranging between min 48.6°F (9.2°C) and max 65.8°F (18.8°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's mild 57°F (13.9°C) to a still refreshing 65.8°F (18.8°C). Weather in March »
Weather in April
April is a warm spring month in Dean, Louisiana, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 54.9°F (12.7°C). April's arrival is marked by an increase in the average high-temperature, moving from a comfortable 65.8°F (18.8°C) in March to a warm 75.2°F (24°C). Weather in April »
Weather in May
May, the last month of the spring in Dean, is another warm month, with an average temperature varying between 83.8°F (28.8°C) and 63.3°F (17.4°C). The onset of May marks a slight increase in the average high-temperature, moving from a warm 75.2°F (24°C) in April to a still moderately hot 83.8°F (28.8°C). Weather in May »
Weather in June
June, the first month of the summer in Dean, is a hot month, with an average temperature varying between 71.1°F (21.7°C) and 91.4°F (33°C). The shift into June brings a slight increase in the average high-temperature, moving from a warm 83.8°F (28.8°C) in May to a tropical 91.4°F (33°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Dean, Louisiana, with an average temperature varying between 73°F (22.8°C) and 93.7°F (34.3°C). The yearly peak temperatures occur in July and August, averaging a high-temperature of 93.7°F (34.3°C). In July, the heat index is evaluated at a blazing hot 118.4°F (48°C). Weather in July »
Weather in August
August, the last month of the summer in Dean, is another tropical month, with an average temperature varying between 93.7°F (34.3°C) and 72.7°F (22.6°C). July and August, when the average high-temperature reaches 93.7°F (34.3°C), are the warmest months. In August, the heat index is evaluated at a life-threatening hot 118.4°F (48°C). Weather in August »
Weather in September
September, the first month of the autumn in Dean, is still a tropical month, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 87.8°F (31°C). With the onset of September, Dean's average high-temperature slightly adjusts, moderately receding from August's hot 93.7°F (34.3°C) to a still tropical 87.8°F (31°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Dean, Louisiana, with an average temperature ranging between max 76.3°F (24.6°C) and min 56.1°F (13.4°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a tropical 87.8°F (31°C) to a warm 76.3°F (24.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Dean, is another refreshing month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 46.6°F (8.1°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a moderately hot 76.3°F (24.6°C) to a refreshing 63.7°F (17.6°C). Weather in November »
Weather in December
December, the first month of the winter in Dean, is still a refreshing month, with an average temperature varying between 55.6°F (13.1°C) and 41.5°F (5.3°C). December brings a slight decrease in the average high-temperature, shifting from a refreshing 63.7°F (17.6°C) in November to a moderate 55.6°F (13.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Dean?
The coldest period in Dean tends to be January, when average temperatures fluctuate between a high of 53.2°F (11.8°C) and a low of 37.9°F (3.3°C).
How much does it rain in Dean?
Throughout the year, in Dean, Louisiana, there are 155.8 rainfall days, and 37.13" (943mm) of precipitation is accumulated.
When does it snow in Dean?
January, February and December are months with snowfall in Dean, Louisiana.
How many days does it snow in Dean?
In Dean, Louisiana, during the entire year, snow falls for 1.6 days and aggregates up to 0.35" (9mm) of snow.
What are the months with the lowest UV index in Dean?
The months with the lowest UV index in Dean, Louisiana, are January and December, with an average maximum UV index of 3.
What is the most humid month in Dean?
February is the most humid month, with an average relative humidity of 82%.
What is the snowiest month in Dean?
The month with the most snowfall in Dean is February, when snow falls for 0.8 days and typically aggregates up to 0.2" (5mm) of snow.
What are the months with the least sunshine in Dean?
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.
When it does not snow in Dean?
March through November are months without snowfall in Dean, Louisiana.
When is Daylight Saving Time (DST) in Dean?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dean, 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 Dean?
April is the month with the most rainfall in Dean, Louisiana. Rain falls for 14.5 days and accumulates 4.25" (108mm) of precipitation.
What are the months with the highest UV index in Dean?
The months with the highest UV index are May through August, with an average maximum UV index of 7.
When are the longest days in Dean?
With an average of 14h and 18min of daylight, June has the longest days of the year in Dean, Louisiana.
What is the hottest time of year in Dean?
In Dean, Louisiana, the warmest period comes during July and August, when the average high-temperature touches 93.7°F (34.3°C).
What is the least humid month in Dean?
The months with the lowest humidity in Dean, Louisiana, are July through October, with an average relative humidity of 71%.
What are the months with the most sunshine in Dean?
The months with the most sunshine in Dean, Louisiana, are July and August, with an average of 10.5h of sunshine.
What is the driest month in Dean?
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.
What is the month with the shortest days in Dean?
The month with the shortest days in Dean is December, with an average of 10h and 0min of daylight.
Average temperature
Dean, LA
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is January (53.2°F).
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure
Dean, LA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Dean, LA
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.9mph - Average wind speed in May:
6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Dean, LA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall
Dean, LA
- Average rainfall in January:
3.11" - Average rainfall in February:
3.98" - Average rainfall in March:
3.74" - Average rainfall in April:
4.25" - Average rainfall in May:
3.19" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.48" - Average rainfall in September:
1.77" - Average rainfall in October:
3.15" - Average rainfall in November:
2.32" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Dean, LA
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Dean, LA
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Dean, LA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.1 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:
0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dean, LA
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 0min - 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 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 3min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 3min - 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 months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days
Dean, LA
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13 days).
Average UV index
Dean, LA
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Dean, LA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Dean, LA
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Dean, Louisiana, USA
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