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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, in Harmon, Louisiana, is another refreshing winter month, with an average temperature fluctuating between 39.4°F (4.1°C) and 55.4°F (13°C). Harmon's January weather reaches an average high of 55.4°F (13°C) and an average low of 39.4°F (4.1°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Harmon, is another mild month, with an average temperature varying between 43.3°F (6.3°C) and 59.4°F (15.2°C). With the onset of February, Harmon's average high-temperature clocks in at a still mild 59.4°F (15.2°C), showing a minor fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is an agreeable month in Harmon, Louisiana, with an average temperature ranging between min 49.6°F (9.8°C) and max 68.5°F (20.3°C). March brings a rise in Harmon's average high-temperature, moving from a moderate 59.4°F (15.2°C) in February to an agreeable 68.5°F (20.3°C). Weather in March »
Weather in April
April is a warm spring month in Harmon, Louisiana, with an average temperature ranging between max 77°F (25°C) and min 55.6°F (13.1°C). The commencement of April sees a minor shift in the average high-temperature, moving from an agreeable 68.5°F (20.3°C) in March to a moderately hot 77°F (25°C). Weather in April »
Weather in May
May, the last month of the spring in Harmon, is also a moderately hot month, with an average temperature varying between 63.5°F (17.5°C) and 85.1°F (29.5°C). As May arrives, Harmon's weather shows a minor increase in high-temperatures, edging from April's 77°F (25°C) to a still warm 85.1°F (29.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Harmon, Louisiana, with temperature in the range of an average high of 92.1°F (33.4°C) and an average low of 71.2°F (21.8°C). The start of June signals a slight increase in the average high-temperature, moving from a warm 85.1°F (29.5°C) in May to a tropical 92.1°F (33.4°C). Weather in June »
Weather in July
July in Harmon, Louisiana, is a torrid summer month, with an average temperature varying between 73.2°F (22.9°C) and 95°F (35°C). The months of July and August bring the highest temperatures, averaging a high of 95°F (35°C). Throughout July, the heat index is calculated to be a life-threatening hot 123.8°F (51°C). Weather in July »
Weather in August
The last month of the summer, August, is another very hot month in Harmon, Louisiana, with an average temperature ranging between min 73°F (22.8°C) and max 95°F (35°C). Temperatures reach their maximum during July and August, recording an average high-temperature of 95°F (35°C). August's mean heat index is calculated to be a life-threatening hot 122°F (50°C). Weather in August »
Weather in September
September, the first month of the autumn in Harmon, is still a tropical month, with an average temperature ranging between max 88.9°F (31.6°C) and min 67.8°F (19.9°C). September's onset introduces a mild reduction in the average high-temperature, from a torrid 95°F (35°C) in August to a tropical 88.9°F (31.6°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Harmon, Louisiana, with an average temperature varying between 77.9°F (25.5°C) and 57.2°F (14°C). Harmon's average high-temperature decreases in October, falling from a hot 88.9°F (31.6°C) in September to a warm 77.9°F (25.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Harmon, Louisiana, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 65.3°F (18.5°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a warm 77.9°F (25.5°C) in October to an enjoyable 65.3°F (18.5°C). Weather in November »
Weather in December
December, the first month of the winter in Harmon, is also a moderate month, with an average temperature fluctuating between 42.4°F (5.8°C) and 57.4°F (14.1°C). As November makes way for December, Harmon's average high-temperature eases from a comfortable 65.3°F (18.5°C) to a moderate 57.4°F (14.1°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 time of year?
January, with its average high-temperature of 55.4°F (13°C) and an average low-temperature of 39.4°F (4.1°C), holds the record as the coldest month.
How many days does it rain?
Throughout the year, in Harmon, there are 152.6 rainfall days, and 37.01" (940mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March and December.
How much does it snow?
Throughout the year, there are 2.3 snowfall days, and 0.43" (11mm) 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 most humid month is February, with an average relative humidity of 82%.
What is the snowiest month?
The month with the most snowfall in Harmon is February, when snow falls for 0.7 days and typically aggregates up to 0.2" (5mm) of snow.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Harmon, snow does not fall in April through November.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 4.72" (120mm) of precipitation.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
June has the longest days of the year in Harmon, with an average of 14h and 12min of daylight.
What time of the year is the hottest?
Harmon experiences the peak of its temperatures in July and August, when the average high-temperatures rise to 95°F (35°C).
What is the driest month?
The month with the least rainfall is July, when the rain falls for 13.7 days and typically collects 2.09" (53mm) of precipitation.
What is the month with the most sunshine?
July and August, with an average of 10.2h of sunshine, are months with the most sunshine.
What are the least humid months?
August and October, with an average relative humidity of 70%, are the least humid months.
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?
December has the least sunshine of the year, with an average of 4.8h of sunshine.
Average temperature
Harmon, LA
The warmest months (with the highest average high temperature) are July and August (95°F).
The month with the lowest average high temperature is January (55.4°F).
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure
Harmon, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Harmon, LA
- Average wind speed in January:
6.4mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity
Harmon, LA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (70%).
Average rainfall
Harmon, LA
- Average rainfall in January:
2.87" - Average rainfall in February:
3.74" - Average rainfall in March:
3.66" - Average rainfall in April:
3.86" - Average rainfall in May:
4.72" - Average rainfall in June:
2.48"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is July (2.09").
Average rainfall days
Harmon, LA
- Average rainfall days in January:
10.9 days - Average rainfall days in February:
13 days - Average rainfall days in March:
16 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is October (9.8 days).
Average snowfall
Harmon, LA
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Harmon, LA
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.3 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:
0.4 days
The month with the highest number of snowfall days is January (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
Harmon, 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 0min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - 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 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Harmon, LA
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (12.8 days).
Average UV index
Harmon, 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
Harmon, LA
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility
Harmon, 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).
Harmon, Louisiana, USA
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