Climate and monthly weather forecastChalmette, LA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Chalmette, Louisiana, with an average temperature varying between 48.9°F (9.4°C) and 60.3°F (15.7°C). Chalmette's coldest weather arrives in January, when temperatures average a high of 60.3°F (15.7°C) and a low of 48.9°F (9.4°C). Weather in January »Weather in February
The last month of the winter, February, is a refreshing month in Chalmette, Louisiana, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 53.2°F (11.8°C). In the transition from January to February, Chalmette reports an average high-temperature of an enjoyable 64°F (17.8°C), indicating a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Chalmette, is an agreeable month, with an average temperature fluctuating between 70.2°F (21.2°C) and 58.5°F (14.7°C). The transition from February to March brings a subtle temperature rise, with average high-temperatures increasing from a comfortable 64°F (17.8°C) to a pleasant 70.2°F (21.2°C). Weather in March »Weather in April
April in Chalmette, Louisiana, is a warm spring month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 64.8°F (18.2°C). As Chalmette transitions into April, a marginal rise in the average high-temperature is observed, moving from a pleasant 70.2°F (21.2°C) in March to a warm 75.9°F (24.4°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Chalmette, Louisiana, with an average temperature varying between 71.6°F (22°C) and 82.4°F (28°C). As May begins, there's a slight increase in the average high-temperature, moving from 75.9°F (24.4°C) in April to a still moderately hot 82.4°F (28°C). Weather in May »Weather in June
June, the first month of the summer in Chalmette, is a hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 88.3°F (31.3°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's moderately hot 82.4°F (28°C) to a hot 88.3°F (31.3°C). Weather in June »Weather in July
July, the same as June, in Chalmette, Louisiana, is a hot summer month, with an average temperature varying between 79.3°F (26.3°C) and 89.2°F (31.8°C). July and August represent the warmest period, with an average high-temperature of 89.2°F (31.8°C). Throughout July, the heat index is evaluated at a blistering 105.8°F (41°C). Weather in July »Weather in August
August, the last month of the summer in Chalmette, is another hot month, with an average temperature fluctuating between 79.7°F (26.5°C) and 89.2°F (31.8°C). Chalmette witnesses its highest temperatures in July and August, reaching an average of 89.2°F (31.8°C). Throughout August, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Chalmette, Louisiana, with an average temperature ranging between max 86.2°F (30.1°C) and min 76.6°F (24.8°C). On the advent of September, Chalmette's average high-temperature exhibits a minor adjustment to a still hot 86.2°F (30.1°C) from August's 89.2°F (31.8°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Chalmette, Louisiana, with an average temperature varying between 78.4°F (25.8°C) and 67.3°F (19.6°C). The arrival of October suggests a slight decrease in the average high-temperature, moving from a hot 86.2°F (30.1°C) in September to a warm 78.4°F (25.8°C). Weather in October »Weather in November
November, the last month of the autumn in Chalmette, is another pleasant month, with an average temperature ranging between max 68.7°F (20.4°C) and min 57.4°F (14.1°C). The move into November indicates a reduction in the average high-temperature, down from October's warm 78.4°F (25.8°C) to an agreeable 68.7°F (20.4°C). Weather in November »Weather in December
December, the first month of the winter in Chalmette, is still a refreshing month, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 63.5°F (17.5°C). Chalmette's weather in December indicates an average high-temperature of a refreshing 63.5°F (17.5°C), nearly consistent with the 68.7°F (20.4°C) of November. Weather in December »Updated: Jun 4, 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
In Chalmette, January is known for its average lowest temperatures, reaching a high of 60.3°F (15.7°C) and a low of 48.9°F (9.4°C).
January is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.71" (18mm) of precipitation.
Throughout the year, in Chalmette, there are 146.1 rainfall days, and 16.85" (428mm) of precipitation is accumulated.
Months with snowfall are January and December.
The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.
In Chalmette, during the entire year, snow falls for 0.2 days.
February through November are months without snowfall.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Chalmette, 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.
May through September, with an average maximum UV index of 7, are months with the highest UV index.
With an average of 14h and 0min of daylight, June has the longest days of the year.
With an average of 11h of sunshine, June has the most sunshine of the year.
The warmest period, with an average high-temperature of 89.2°F (31.8°C), falls in July and August.
The month with the most rainfall in Chalmette is August, when the rain falls for 20.9 days and typically aggregates up to 2.87" (73mm) of precipitation.
With an average relative humidity of 70%, October is the least humid month.
The most humid month is December, with an average relative humidity of 77%.
The month with the shortest days is December, with an average of 10h and 18min of daylight.
The month with the least sunshine in Chalmette is December, with an average of 5.1h of sunshine.
With an average maximum UV index of 3, December is the month with the lowest UV index.
Average temperature
Chalmette, LA
The warmest months (with the highest average high temperature) are July and August (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure
Chalmette, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed
Chalmette, LA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Chalmette, LA
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Chalmette, LA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
0.83" - Average rainfall in April:
0.75" - Average rainfall in May:
1.38" - Average rainfall in June:
1.89"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.87" - Average rainfall in September:
1.46" - Average rainfall in October:
1.26" - Average rainfall in November:
0.87" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Chalmette, LA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
8.5 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
20.9 days - Average rainfall days in September:
16.2 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall days
Chalmette, LA
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 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:
0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Chalmette, LA
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
5h and 24min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
10h and 6min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Chalmette, LA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
18.5 days - Average sunshine days in April:
19.7 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
7.7 days - Average sunshine days in August:
7 days - Average sunshine days in September:
10.2 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (7 days).
Average UV index
Chalmette, LA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Chalmette, LA
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility
Chalmette, LA
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).
