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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, in Chatham, Louisiana, is another fresh winter month, with an average temperature varying between 54.1°F (12.3°C) and 38.7°F (3.7°C). In Chatham, the lowest average temperatures are observed in January, with a high of 54.1°F (12.3°C) and a low of 38.7°F (3.7°C). Weather in January »
Weather in February
February, the last month of the winter in Chatham, is a mild month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 58.6°F (14.8°C). February denotes a minimal variation in the average high-temperature to a moderate 58.6°F (14.8°C) from January's 54.1°F (12.3°C). Weather in February »
Weather in March
March, the first month of the spring in Chatham, is a comfortable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 49.1°F (9.5°C). March's arrival sees a rise in the average high-temperature, jumping from February's refreshing 58.6°F (14.8°C) to an enjoyable 67.6°F (19.8°C). Weather in March »
Weather in April
April is a moderately hot spring month in Chatham, Louisiana, with an average temperature varying between 76.1°F (24.5°C) and 54.9°F (12.7°C). Chatham's transition into April is noticed by a slight rise in the average high-temperature, advancing from a comfortable 67.6°F (19.8°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 Chatham, Louisiana, with an average temperature fluctuating between 63.3°F (17.4°C) and 84.6°F (29.2°C). Chatham observes a slight ascent in average high-temperatures during May, adjusting from 76.1°F (24.5°C) in April to a still warm 84.6°F (29.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Chatham, Louisiana, with an average temperature fluctuating between 91.8°F (33.2°C) and 70.9°F (21.6°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a warm 84.6°F (29.2°C) in May to a hot 91.8°F (33.2°C). Weather in June »
Weather in July
July, the same as June, in Chatham, Louisiana, is another hot summer month, with an average temperature fluctuating between 73°F (22.8°C) and 94.3°F (34.6°C). Chatham's temperatures tend to reach their peak averages in July, with a high of 94.3°F (34.6°C) and a low of 73°F (22.8°C). The heat index value during July is evaluated at a life-threatening hot 122°F (50°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Chatham, Louisiana, with an average temperature ranging between max 94.1°F (34.5°C) and min 72.5°F (22.5°C). The transition from July to August sees an average high-temperature of a still tropical 94.1°F (34.5°C), indicating a minor variance from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Chatham, is still a hot month, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 67.3°F (19.6°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a tropical 94.1°F (34.5°C) to a still hot 88.3°F (31.3°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Chatham, Louisiana, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77.7°F (25.4°C). A shift in Chatham's weather is observed as September turns into October, with the average high temperature reducing from a tropical 88.3°F (31.3°C) to a moderately hot 77.7°F (25.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Chatham, is another refreshing month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 46.6°F (8.1°C). During Chatham's transition into November, the average high-temperature lessens, moving from a moderately hot 77.7°F (25.4°C) in October to an enjoyable 64.6°F (18.1°C). Weather in November »
Weather in December
December, the first month of the winter in Chatham, is still a refreshing month, with an average temperature ranging between max 56.5°F (13.6°C) and min 42.4°F (5.8°C). As Chatham enters December, the average high-temperature subtly lowers from the a refreshing 64.6°F (18.1°C) of November to a mild 56.5°F (13.6°C). 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
What is the coldest month?
January is the month that records the lowest temperatures, with averages ranging from a high of 54.1°F (12.3°C) to a low of 38.7°F (3.7°C).
How many days does it rain?
In Chatham, during the entire year, the rain falls for 153.4 days and collects up to 35.08" (891mm) of precipitation.
When does it snow?
January, February and December are months with snowfall.
How much does it snow?
Throughout the year, there are 1.6 snowfall days, and 0.35" (9mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
What is the most humid month?
The months with the highest humidity are February and December, with an average relative humidity of 82%.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.16" (4mm) of snow.
When it does not snow?
In Chatham, Louisiana, snow does not fall in March through November.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Chatham, 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?
The month with the most rainfall is April, when the rain falls for 13.5 days and typically aggregates up to 3.78" (96mm) of precipitation.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 7.
When are the longest days?
With an average of 14h and 12min of daylight, June has the longest days of the year.
What part of the year is the hottest?
Chatham experiences its highest temperatures in July, with an average peak of 94.3°F (34.6°C) and a low of 73°F (22.8°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the least humid month?
August and October, with an average relative humidity of 71%, are the least humid months.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.93" (49mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 10h and 6min of daylight.
What is the month with the least sunshine in Chatham?
December has the least sunshine of the year, with an average of 4.9h of sunshine.
Average temperature
Chatham, LA
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (54.1°F).
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure
Chatham, 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:
29.96"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.95"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
Chatham, LA
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.9mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity
Chatham, LA
The months with the highest relative humidity are February and December (82%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall
Chatham, LA
- Average rainfall in January:
2.87" - Average rainfall in February:
3.54" - Average rainfall in March:
3.39" - Average rainfall in April:
3.78" - Average rainfall in May:
3.5" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.64" - Average rainfall in September:
1.93" - Average rainfall in October:
2.87" - Average rainfall in November:
2.24" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Chatham, LA
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Chatham, LA
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Chatham, LA
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
0.6 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:
0.1 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Chatham, LA
- 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 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 4min - 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 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Chatham, LA
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
20.1 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (12.9 days).
Average UV index
Chatham, 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
Chatham, LA
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Chatham, LA
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Chatham, Louisiana, USA
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