Climate and monthly weather forecastHelena, LA
Climate and monthly weather forecast
Weather in January
January, like December, in Helena, Louisiana, is another fresh winter month, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 55°F (12.8°C). Helena's coldest temperatures are experienced in January, with average high temperatures of 55°F (12.8°C) and lows of 40.3°F (4.6°C). Weather in January »Weather in February
The last month of the winter, February, is a refreshing month in Helena, Louisiana, with an average temperature varying between 59.7°F (15.4°C) and 44.4°F (6.9°C). The initiation of February sees an average high-temperature of a moderate 59.7°F (15.4°C), showing minor variations from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Helena, Louisiana, with an average temperature ranging between max 67.6°F (19.8°C) and min 50.5°F (10.3°C). March marks a minor ascent in the average high-temperature, adjusting from February's refreshing 59.7°F (15.4°C) to a comfortable 67.6°F (19.8°C). Weather in March »Weather in April
April is a moderately hot spring month in Helena, Louisiana, with an average temperature varying between 56.5°F (13.6°C) and 75.6°F (24.2°C). April's arrival signals a subtle increase in average high-temperatures, moving from March's comfortable 67.6°F (19.8°C) to a moderately hot 75.6°F (24.2°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Helena, Louisiana, with an average temperature fluctuating between 64.4°F (18°C) and 83.1°F (28.4°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a warm 75.6°F (24.2°C) to a still moderately hot 83.1°F (28.4°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Helena, Louisiana, with an average temperature fluctuating between 71.4°F (21.9°C) and 89.2°F (31.8°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from a moderately hot 83.1°F (28.4°C) in May to a tropical 89.2°F (31.8°C). Weather in June »Weather in July
July, the same as June, in Helena, Louisiana, is another tropical summer month, with an average temperature fluctuating between 72.9°F (22.7°C) and 91.2°F (32.9°C). July, with average temperatures reaching a high of 91.2°F (32.9°C) and a low of 72.9°F (22.7°C), is the warmest month. In July, the average heat index is evaluated at a blazing hot 114.8°F (46°C). Weather in July »Weather in August
August, the last month of the summer in Helena, is also a hot month, with an average temperature varying between 73°F (22.8°C) and 91°F (32.8°C). Helena records a slight change with August's average high-temperatures adjusting to a still hot 91°F (32.8°C) from July's 91.2°F (32.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Helena, Louisiana, with temperature in the range of an average low of 68°F (20°C) and an average high of 87.8°F (31°C). Helena, Louisiana, starts September with an average high-temperature of a still tropical 87.8°F (31°C), hinting at a minimal fluctuation from August. Weather in September »Weather in October
October, like September, in Helena, Louisiana, is a moderately hot autumn month, with an average temperature varying between 58.1°F (14.5°C) and 77.9°F (25.5°C). In the transition to October, Helena observes a drop in the average high-temperature, moving from a hot 87.8°F (31°C) in September to a moderately hot 77.9°F (25.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Helena, Louisiana, with an average temperature fluctuating between 65.1°F (18.4°C) and 48.4°F (9.1°C). November brings a minor decrease, with the average high-temperature reducing from a warm 77.9°F (25.5°C) in October to a refreshing 65.1°F (18.4°C). Weather in November »Weather in December
December, the first month of the winter in Helena, is still a mild month, with an average temperature ranging between min 44.1°F (6.7°C) and max 58.1°F (14.5°C). With the onset of December, the average high-temperature subtly recedes from November's 65.1°F (18.4°C) to a still refreshing 58.1°F (14.5°C). Weather in December »Updated: Aug 15, 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
January, characterized by an average high temperature of 55°F (12.8°C) and a low temperature of 40.3°F (4.6°C), is generally the coldest month.
In Helena, Louisiana, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.
January through March are months with snowfall.
The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.
Throughout the year, there are 1.6 snowfall days, and 0.91" (23mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
The most humid month is February, with an average relative humidity of 81%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Helena, 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.
April is the month with the most rainfall. Rain falls for 13.6 days and accumulates 3.43" (87mm) of precipitation.
April through December are months without snowfall.
With an average of 14h and 12min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 10.6h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
July is the month that records the highest temperatures, with averages ranging from a high of 91.2°F (32.9°C) to a low of 72.9°F (22.7°C).
October is the least humid month, with an average relative humidity of 69%.
November is the month with the least rainfall. Rain falls for 9.5 days and accumulates 2.13" (54mm) of precipitation.
With an average of 10h and 6min of daylight, December has the shortest days of the year.
With an average of 4.8h of sunshine, December has the least sunshine of the year in Helena.
Average temperature
Helena, LA
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure
Helena, LA
- Average pressure in January:
30.17"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:
29.98"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Helena, LA
- Average wind speed in January:
7.9mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).
Average humidity
Helena, LA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Helena, LA
- Average rainfall in January:
3.31" - Average rainfall in February:
3.23" - Average rainfall in March:
3.27" - Average rainfall in April:
3.43" - Average rainfall in May:
2.99" - Average rainfall in June:
2.44"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.87" - Average rainfall in September:
2.2" - Average rainfall in October:
2.68" - Average rainfall in November:
2.13" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days
Helena, LA
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).
Average snowfall
Helena, LA
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Helena, LA
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.5 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 days - Average snowfall days in December:
0 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, October, November and December (0 days).
Average daylight / Average sunshine
Helena, LA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
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 12min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Helena, LA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).
Average UV index
Helena, LA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Helena, LA
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility
Helena, 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).
