Climate and monthly weather forecast
Harvey, LA

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Weather in January

January, the same as December, in Harvey, Louisiana, is another refreshing winter month, with an average temperature fluctuating between 48.6°F (9.2°C) and 60.4°F (15.8°C). The lowest temperatures are recorded in January, with averages reaching a high of 60.4°F (15.8°C) and a low of 48.6°F (9.2°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Harvey, Louisiana, with an average temperature varying between 52.7°F (11.5°C) and 64.6°F (18.1°C). Harvey registers an average high-temperature of a comfortable 64.6°F (18.1°C) at the commencement of February, closely related to the preceding month. 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 slightly rises, from a refreshing 64.6°F (18.1°C) in February, to a pleasant 70.7°F (21.5°C). Weather in March »

Weather in April

April in Harvey, Louisiana, is a moderately hot spring month, with temperature in the range of an average high of 77°F (25°C) and an average low of 64.2°F (17.9°C). In April, the average high-temperature marginally rises from an agreeable 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 also a moderately hot month in Harvey, Louisiana, with an average temperature ranging between max 82.9°F (28.3°C) and min 71.2°F (21.8°C). May's arrival signals a modest temperature shift, moving from 77°F (25°C) in April to a still moderately hot 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 temperature in the range of an average low of 77.7°F (25.4°C) and an average high of 88.3°F (31.3°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's moderately hot 82.9°F (28.3°C) to a tropical 88.3°F (31.3°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Harvey, Louisiana, with temperature in the range of an average high of 89.4°F (31.9°C) and an average low of 79.3°F (26.3°C). In Harvey, Louisiana, the months of July and August are known for the peak temperatures, reaching an average high of 89.4°F (31.9°C). The heat index value during July is evaluated at a blisteringly hot 105.8°F (41°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Harvey, Louisiana, with an average temperature fluctuating between 79.5°F (26.4°C) and 89.4°F (31.9°C). July and August are identified as the warmest months, with an average high-temperature of 89.4°F (31.9°C). For August, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Weather in August »

Weather in September

September, the first month of the autumn in Harvey, is still a tropical month, with an average temperature ranging between min 76.3°F (24.6°C) and max 86.5°F (30.3°C). In September, Harvey experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 86.5°F (30.3°C), closely mirroring the climate in August. Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Harvey, Louisiana, with an average temperature ranging between min 66.9°F (19.4°C) and max 78.8°F (26°C). As Harvey enters October, the average high-temperature subtly lowers from the a tropical 86.5°F (30.3°C) of September to a moderately hot 78.8°F (26°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Harvey, Louisiana, with an average temperature ranging between max 68.9°F (20.5°C) and min 57.4°F (14.1°C). As October transitions into November, Harvey sees a drop in the average high-temperature, transitioning from a warm 78.8°F (26°C) to an agreeable 68.9°F (20.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Harvey, Louisiana, with an average temperature fluctuating between 52.5°F (11.4°C) and 63.5°F (17.5°C). December's arrival subtly correlates with a reduction in the average high-temperature, down from a pleasant 68.9°F (20.5°C) in November to an enjoyable 63.5°F (17.5°C). Weather in December »
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Frequently asked questions

What are the coldest months in Harvey?

January is the coldest month in Harvey, Louisiana, with the temperature often reaching an average high of 60.4°F (15.8°C) and an average low of 48.6°F (9.2°C).

How much does it rain in Harvey?

Throughout the year, in Harvey, 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 in Harvey is January.

When does it snow the most in Harvey?

January has the most snowfall days of the year in Harvey, Louisiana. Snow falls for 0.1 days.

How many days does it snow in Harvey?

Throughout the year, in Harvey, 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 in Harvey, Louisiana.

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 in Harvey 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 10. 2024, at 2:00 am, Daylight Saving Time starts in Harvey, 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 are the months with the highest UV index in Harvey?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Harvey, Louisiana.

When are the longest days in Harvey?

With an average of 14h and 0min of daylight, June has the longest days of the year in Harvey.

What month has the most sunshine in Harvey?

June has the most sunshine of the year in Harvey, Louisiana, with an average of 11h of sunshine.

What is the hottest time of year in Harvey?

The warmest period falls in July and August, when the average high-temperature reaches 89.4°F (31.9°C).

What is the wettest month in Harvey?

The month with the most rainfall in Harvey, Louisiana, 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?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days in Harvey?

The month with the shortest days in Harvey is December, with an average of 10h and 18min of daylight.

What is the month with the least sunshine in Harvey?

The month with the least sunshine is December, with an average of 5.1h of sunshine.

What is the month with the lowest UV index in Harvey?

December is the month with the lowest UV index in Harvey, Louisiana, with an average maximum UV index of 3.

Average temperature
Harvey, LA

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).

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Average pressure
Harvey, LA

Average pressure - Harvey, LA

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).

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Average wind speed
Harvey, LA

Average wind speed - Harvey, LA

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).

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Average humidity
Harvey, LA

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%).

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Average rainfall
Harvey, LA

Average rainfall - Harvey, LA

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

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Average rainfall days
Harvey, LA

Average rainfall days - Harvey, LA

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).

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Average snowfall days
Harvey, LA

Average snowfall days - Harvey, LA

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).

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Average daylight / Average sunshine
Harvey, LA

Average daylight / Average sunshine - Harvey, LA

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).

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).

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Average sunshine days
Harvey, LA

Average sunshine days - Harvey, LA

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

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Average UV index
Harvey, LA

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).

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Average visibility
Harvey, LA

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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Harvey, Louisiana, USA

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