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 days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another mild winter month in Harvey, Louisiana, with an average temperature ranging between max 60.4°F (15.8°C) and min 48.6°F (9.2°C). With an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 48.6°F (9.2°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Harvey, is a comfortable month, with an average temperature fluctuating between 64.6°F (18.1°C) and 52.7°F (11.5°C). In Harvey, the average high-temperature in February is essentially the same as in January - a comfortable 64.6°F (18.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a pleasant month in Harvey, Louisiana, with an average temperature fluctuating between 70.7°F (21.5°C) and 58.3°F (14.6°C). In Harvey, the average high-temperature in March marginally rises from a comfortable 64.6°F (18.1°C) in February to a pleasant 70.7°F (21.5°C). Weather in March »
Weather in April
April is a warm spring month in Harvey, Louisiana, with an average temperature varying between 64.2°F (17.9°C) and 77°F (25°C). In April, the average high-temperature slightly increases from a pleasant 70.7°F (21.5°C) in March to a moderately hot 77°F (25°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Harvey, Louisiana, with an average temperature ranging between min 71.2°F (21.8°C) and max 82.9°F (28.3°C). In May, the average high-temperature marginally rises from 77°F (25°C) in April to a still warm 82.9°F (28.3°C). Weather in May »
Weather in June
June, the first month of the summer in Harvey, is a tropical month, with an average temperature ranging between max 88.3°F (31.3°C) and min 77.7°F (25.4°C). In Harvey, Louisiana, the average high-temperature in June slightly increases from a warm 82.9°F (28.3°C) in May to a tropical 88.3°F (31.3°C). Weather in June »
Weather in July
July, the same as June, in Harvey, Louisiana, is another hot summer month, with an average temperature ranging between max 89.4°F (31.9°C) and min 79.3°F (26.3°C). July and August, with an average high-temperature of 89.4°F (31.9°C), are the warmest months. In July, the average heat index is evaluated at a scorching 105.8°F (41°C). Weather in July »
Weather in August
August, the last month of the summer in Harvey, is another hot month, with temperature in the range of an average low of 79.5°F (26.4°C) and an average high of 89.4°F (31.9°C). July and August, with an average high-temperature of 89.4°F (31.9°C), are the warmest months. The average heat index in August is evaluated at a blistering 105.8°F (41°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Harvey, Louisiana, with an average temperature varying between 76.3°F (24.6°C) and 86.5°F (30.3°C). In September, the average high-temperature is relatively the same as in August - a still tropical 86.5°F (30.3°C). Weather in September »
Weather in October
October, like September, in Harvey, Louisiana, is a moderately hot autumn month, with an average temperature ranging between max 78.8°F (26°C) and min 66.9°F (19.4°C). In Harvey, Louisiana, the average high-temperature in October marginally drops from a tropical 86.5°F (30.3°C) in September to a moderately hot 78.8°F (26°C). Weather in October »
Weather in November
November, the last month of the autumn in Harvey, is another pleasant month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 68.9°F (20.5°C). In November, the average high-temperature decreases from a moderately hot 78.8°F (26°C) in October to a pleasant 68.9°F (20.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a comfortable month in Harvey, Louisiana, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 52.5°F (11.4°C). In Harvey, the average high-temperature in December marginally drops from an agreeable 68.9°F (20.5°C) in November to a comfortable 63.5°F (17.5°C). Weather in December »
[Resources]FAQ
What is the coldest month in Harvey?
With an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 48.6°F (9.2°C), January is the coldest month in Harvey.
How many days does it rain in Harvey?
Throughout the year, in Harvey, Louisiana, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.
When does it snow in Harvey?
The only month with snowfall is January.
What is the snowiest month in Harvey?
The month with the most snowfall days in Harvey, Louisiana, is January, when snow falls for 0.1 days.
How many days does it snow in Harvey?
Throughout the year, in Harvey, Louisiana, there are 0.1 snowfall days.
What is the most humid month in Harvey?
February and December, with an average relative humidity of 77%, are most humid months.
When it does not snow in Harvey?
In Harvey, snow does not fall in February through December.
What is the driest month in Harvey?
The months with the least rainfall are March and April Rain falls for 8.3 days and accumulates 0.43" (11mm) of rain.
When is Daylight Saving Time (DST) in Harvey?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
When is the highest UV index in Harvey?
The months with the highest UV index in Harvey are May through September, with an average maximum UV index of 7.
When are the longest days in Harvey?
June has the longest days of the year, with an average of 14h and 2min of daylight.
What month has the most sunshine in Harvey?
The month with the most sunshine is June, with an average of 11h of sunshine.
What is the warmest month in Harvey?
July and August, with an average high-temperature of 89.4°F (31.9°C), are warmest months in Harvey.
What is the rainiest month in Harvey?
The month with the most rainfall is July, when the rain falls for 15.5 days and typically aggregates up to 1.57" (40mm) of precipitation.
What is the least humid month in Harvey?
October is the least humid month in Harvey, with an average relative humidity of 71%.
What is the month with the shortest days in Harvey?
December has the shortest days of the year in Harvey, with an average of 10h and 16min of daylight.
What is the month with the least sunshine in Harvey?
With an average of 5.1h of sunshine, December has the least sunshine of the year in Harvey.
What is the month with the lowest UV index in Harvey?
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Harvey, LA
The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure
Harvey, 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:
29.99"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
Harvey, LA
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.4mph - Average wind speed in November:
9mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Harvey, LA
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harvey, LA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.55" - Average rainfall in March:
0.43" - Average rainfall in April:
0.43" - Average rainfall in May:
0.75" - Average rainfall in June:
0.87"
- Average rainfall in July:
1.57" - Average rainfall in August:
1.46" - Average rainfall in September:
0.47" - Average rainfall in October:
0.94" - Average rainfall in November:
0.63" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").
Average rainfall days
Harvey, LA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
6.7 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).
Average snowfall days
Harvey, 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 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Harvey, LA
- Average daylight in January:
10h and 29min - Average daylight in February:
11h and 9min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 55min - Average daylight in May:
13h and 40min - Average daylight in June:
14h and 2min
- Average daylight in July:
13h and 51min - Average daylight in August:
13h and 11min - Average daylight in September:
12h and 20min - Average daylight in October:
11h and 26min - Average daylight in November:
10h and 40min - Average daylight in December:
10h and 16min
The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).
- 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 36min - 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
Harvey, LA
- Average sunshine days in January:
23.1 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
21.4 days - Average sunshine days in April:
21.8 days - Average sunshine days in May:
19.3 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
8.9 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
22.3 days - Average sunshine days in November:
23.5 days - Average sunshine days in December:
21.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).
Average UV index
Harvey, 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
Harvey, 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
Harvey, 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).
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