Climate and monthly weather forecast
Helvetia, LA

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Weather in January

January, like December, is another refreshing winter month in Helvetia, Louisiana, with an average temperature ranging between min 44.2°F (6.8°C) and max 60.1°F (15.6°C). With average high and low temperatures of 60.1°F (15.6°C) and 44.2°F (6.8°C) respectively, January is Helvetia's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Helvetia, is a comfortable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 49.1°F (9.5°C). The average high-temperature during February is a comfortable 64.9°F (18.3°C), almost matching the conditions of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Helvetia, is an agreeable month, with an average temperature ranging between min 53.8°F (12.1°C) and max 72.3°F (22.4°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's refreshing 64.9°F (18.3°C) to a pleasant 72.3°F (22.4°C). Weather in March »

Weather in April

April in Helvetia, Louisiana, is a warm spring month, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 78.6°F (25.9°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from an agreeable 72.3°F (22.4°C) to a warm 78.6°F (25.9°C). Weather in April »

Weather in May

May, the last month of the spring in Helvetia, is another warm month, with an average temperature fluctuating between 84.7°F (29.3°C) and 66.2°F (19°C). With the start of May, the average high-temperature marginally shifts from April's 78.6°F (25.9°C) to a still moderately hot 84.7°F (29.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Helvetia, Louisiana, with temperature in the range of an average high of 89.6°F (32°C) and an average low of 72.5°F (22.5°C). June observes an average high-temperature of a hot 89.6°F (32°C), marking an insignificant difference from May's 84.7°F (29.3°C). Weather in June »

Weather in July

July, the same as June, in Helvetia, Louisiana, is another hot summer month, with temperature in the range of an average high of 90.3°F (32.4°C) and an average low of 74.1°F (23.4°C). With average high and low temperatures of 90.3°F (32.4°C) and 74.1°F (23.4°C) respectively, July is Helvetia's warmest month. July's average heat index is calculated to be a life-threatening hot 113°F (45°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Helvetia, Louisiana, with an average temperature varying between 90.1°F (32.3°C) and 74.8°F (23.8°C). Helvetia experiences an average high-temperature of a still hot 90.1°F (32.3°C) with the onset of August, subtly varied from July's 90.3°F (32.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Helvetia, is also a hot month, with an average temperature varying between 87.3°F (30.7°C) and 70.5°F (21.4°C). As Helvetia welcomes September, the average high-temperature records at a still tropical 87.3°F (30.7°C), marking an insignificant deviation from the prior month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Helvetia, Louisiana, with an average temperature varying between 61°F (16.1°C) and 79.7°F (26.5°C). As October commences, the average high-temperature subtly reduces, transitioning from a tropical 87.3°F (30.7°C) in September to a warm 79.7°F (26.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Helvetia, is also an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 68.9°F (20.5°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a warm 79.7°F (26.5°C) in October to an agreeable 68.9°F (20.5°C). Weather in November »

Weather in December

December, the first month of the winter in Helvetia, is still a refreshing month, with an average temperature varying between 48°F (8.9°C) and 62.6°F (17°C). In Helvetia, entering December brings a subtle temperature decrement, reducing from November's agreeable 68.9°F (20.5°C) to a comfortable 62.6°F (17°C). Weather in December »
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Frequently asked questions

What is the coldest month in Helvetia?

January is Helvetia's coldest month, registering average high temperatures of 60.1°F (15.6°C) and lows of 44.2°F (6.8°C).

How much does it rain in Helvetia?

Throughout the year, in Helvetia, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

When does it snow in Helvetia?

The only month with snowfall is January.

What is the snowiest month in Helvetia?

January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.16" (4mm) of snow.

How much does it snow in Helvetia?

In Helvetia, Louisiana, during the entire year, snow falls for 0.3 days and aggregates up to 0.16" (4mm) of snow.

What is the most humid month in Helvetia?

The months with the highest humidity are February, September and December, with an average relative humidity of 80%.

When it does not snow in Helvetia?

In Helvetia, snow does not fall in February through December.

When is Daylight Saving Time (DST) in Helvetia?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Helvetia, 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 are the longest days in Helvetia?

The month with the longest days in Helvetia, Louisiana, is June, with an average of 14h and 6min of daylight.

What month has the most sunshine in Helvetia?

With an average of 10.4h of sunshine, June has the most sunshine of the year in Helvetia.

What is the month with the highest UV index in Helvetia?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What time of the year is the hottest in Helvetia?

July, noted for its average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 74.1°F (23.4°C), is considered the warmest month in Helvetia.

What is the wettest month in Helvetia?

July is the month with the most rainfall in Helvetia. Rain falls for 21.3 days and accumulates 4.25" (108mm) of precipitation.

What is the least humid month in Helvetia?

The least humid month is October, with an average relative humidity of 74%.

What is the driest month in Helvetia?

November is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.18" (30mm) of precipitation.

What is the month with the shortest days in Helvetia?

The month with the shortest days in Helvetia is December, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Helvetia?

With an average of 5h of sunshine, December has the least sunshine of the year.

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

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

Average temperature
Helvetia, LA

Average temperature - Helvetia, LA

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure
Helvetia, LA

Average pressure - Helvetia, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed
Helvetia, LA

Average wind speed - Helvetia, LA

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Helvetia, LA

Average humidity - Helvetia, LA

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Helvetia, LA

Average rainfall - Helvetia, LA

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

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Average rainfall days
Helvetia, LA

Average rainfall days - Helvetia, LA

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall
Helvetia, LA

Average snowfall - Helvetia, LA

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Helvetia, LA

Average snowfall days - Helvetia, LA

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Helvetia, LA

Average daylight / Average sunshine - Helvetia, LA

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days
Helvetia, LA

Average sunshine days - Helvetia, LA

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

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Average visibility
Helvetia, LA

Average visibility - Helvetia, LA

The months with the highest visibility are January, February, June, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July and September (5mi).

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Helvetia, Louisiana, USA

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