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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 Helvetia, Louisiana, is another mild winter month, with an average temperature varying between 44.2°F (6.8°C) and 60.1°F (15.6°C). January, characterized by an average high temperature of 60.1°F (15.6°C) and a low temperature of 44.2°F (6.8°C), is generally the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Helvetia, is a refreshing month, with an average temperature ranging between min 49.1°F (9.5°C) and max 64.9°F (18.3°C). Helvetia registers an average high-temperature of an enjoyable 64.9°F (18.3°C) at the commencement of February, closely related to 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 max 72.3°F (22.4°C) and min 53.8°F (12.1°C). March's onset is marked by a subtle temperature increase, moving from an enjoyable 64.9°F (18.3°C) in February to an agreeable 72.3°F (22.4°C). Weather in March »
Weather in April
April is a warm spring month in Helvetia, Louisiana, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 59.4°F (15.2°C). The average high-temperature mildly increases in April, edging from an agreeable 72.3°F (22.4°C) in March to a moderately hot 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 66.2°F (19°C) and 84.7°F (29.3°C). Helvetia's weather shows a minor temperature rise with the arrival of May, moving from 78.6°F (25.9°C) in April 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 tropical month in Helvetia, Louisiana, with an average temperature ranging between min 72.5°F (22.5°C) and max 89.6°F (32°C). The onset of June manifests an average high-temperature of a tropical 89.6°F (32°C), demonstrating a minor variation from the preceding month. Weather in June »
Weather in July
July, the same as June, in Helvetia, Louisiana, is a 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). The warmest time of the year is July, with temperatures averaging a high of 90.3°F (32.4°C) and a low of 74.1°F (23.4°C). The heat index for July is appraised at a life-threatening hot 113°F (45°C). Weather in July »
Weather in August
August, the last month of the summer in Helvetia, is another tropical month, with an average temperature fluctuating between 74.8°F (23.8°C) and 90.1°F (32.3°C). The arrival of August brings an average high-temperature of a still hot 90.1°F (32.3°C), subtly diverging from July's 90.3°F (32.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Helvetia, Louisiana, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 87.3°F (30.7°C). The introduction of September notes a subtle temperature variation to a still tropical 87.3°F (30.7°C) from August's 90.1°F (32.3°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Helvetia, Louisiana, with an average temperature fluctuating between 61°F (16.1°C) and 79.7°F (26.5°C). The advent of October brings a slight shift in average high-temperature, moving from a hot 87.3°F (30.7°C) in September to a warm 79.7°F (26.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an agreeable month in Helvetia, Louisiana, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 68.9°F (20.5°C). Helvetia's November weather shows a moderate shift in high-temperatures, falling from October's moderately hot 79.7°F (26.5°C) to a pleasant 68.9°F (20.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Helvetia, Louisiana, with an average temperature varying between 48°F (8.9°C) and 62.6°F (17°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's agreeable 68.9°F (20.5°C) to a refreshing 62.6°F (17°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, characterized by an average high temperature of 60.1°F (15.6°C) and a low temperature of 44.2°F (6.8°C), is generally the coldest month.
How many days does it rain?
In Helvetia, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.
When does it snow?
The only month with snowfall is January.
What is the snowiest month?
January is the month with the most snowfall in Helvetia. Snow falls for 0.2 days and accumulates 0.16" (4mm) of snow.
How many days does it snow?
In Helvetia, Louisiana, during the entire year, snow falls for 0.3 days and aggregates up to 0.16" (4mm) of snow.
What are the most humid months?
The months with the highest humidity in Helvetia are February, September and December, with an average relative humidity of 80%.
When it does not snow?
In Helvetia, snow does not fall in February through December.
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 are the longest days?
With an average of 14h and 6min of daylight, June has the longest days of the year.
What month has the most sunshine?
With an average of 10.4h of sunshine, June has the most sunshine of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 7, are months with the highest UV index.
What are the warmest months in Helvetia?
July is the month when Helvetia sees the average highest temperatures, with a high of 90.3°F (32.4°C) and a low of 74.1°F (23.4°C).
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 21.3 days and typically aggregates up to 4.25" (108mm) of precipitation.
What is the least humid month?
With an average relative humidity of 74%, October is the least humid month.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 8.1 days and typically collects 1.18" (30mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, 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?
The month with the lowest UV index is December, with an average maximum UV index of 3.
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).
Average pressure
Helvetia, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.96"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 and August (29.96"Hg).
Average wind speed
Helvetia, LA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.9mph
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).
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%).
Average rainfall
Helvetia, LA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.69" - Average rainfall in March:
1.38" - Average rainfall in April:
2.13" - Average rainfall in May:
2.44" - Average rainfall in June:
2.32"
- Average rainfall in July:
4.25" - Average rainfall in August:
3.62" - Average rainfall in September:
2.01" - Average rainfall in October:
2.17" - Average rainfall in November:
1.18" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days
Helvetia, LA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
21 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
12.5 days
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).
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").
Average snowfall days
Helvetia, LA
- Average snowfall days in January:
0.2 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:
0.1 days
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).
Average daylight / Average sunshine
Helvetia, LA
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 1min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
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).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 3min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 0min
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).
Average sunshine days
Helvetia, LA
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
16.9 days - Average sunshine days in May:
15 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
7.9 days - Average sunshine days in September:
9.9 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).
Average UV index
Helvetia, LA
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Helvetia, LA
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
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).
Helvetia, Louisiana, USA
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