Climate and monthly weather forecastHelena, AR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Helena, Arkansas, is a frosty winter month, with an average temperature fluctuating between 35.4°F (1.9°C) and 48°F (8.9°C). January is the month that records the lowest temperatures, with averages ranging from a high of 48°F (8.9°C) to a low of 35.4°F (1.9°C). Weather in January »Weather in February
The last month of the winter, February, is a cool month in Helena, Arkansas, with an average temperature ranging between max 52.7°F (11.5°C) and min 39.2°F (4°C). Helena's transition from January to February introduces an average high-temperature of a fresh 52.7°F (11.5°C), marking an insignificant variation from the 48°F (8.9°C). Weather in February »Weather in March
March, the first month of the spring in Helena, is a refreshing month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46.2°F (7.9°C). As February transitions into March, Helena sees a rise in the average high-temperature, moving from a cool 52.7°F (11.5°C) to a comfortable 61.7°F (16.5°C). Weather in March »Weather in April
April is a pleasant spring month in Helena, Arkansas, with an average temperature fluctuating between 54.1°F (12.3°C) and 71.2°F (21.8°C). With the onset of April, Helena's weather sees a temperature rise, transitioning from an enjoyable 61.7°F (16.5°C) in March to an agreeable 71.2°F (21.8°C). Weather in April »Weather in May
May, the last month of the spring in Helena, is a moderately hot month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 80.1°F (26.7°C). The start of May brings a subtle shift in the average high-temperature, edging up from April's agreeable 71.2°F (21.8°C) to a moderately hot 80.1°F (26.7°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Helena, Arkansas, with an average temperature varying between 71.8°F (22.1°C) and 88.2°F (31.2°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from a warm 80.1°F (26.7°C) in May to a tropical 88.2°F (31.2°C). Weather in June »Weather in July
July, the same as June, in Helena, Arkansas, is a hot summer month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 73°F (22.8°C). Helena's July weather, marked by an average high temperature of 89.2°F (31.8°C) and an average low temperature of 73°F (22.8°C), is the warmest in the year. For July, the heat index is evaluated at a blistering 105.8°F (41°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Helena, Arkansas, with an average temperature ranging between min 71.1°F (21.7°C) and max 88.5°F (31.4°C). Helena records an average high-temperature of a still tropical 88.5°F (31.4°C) as August arrives, nearly mirroring the previous month's climate. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Helena, Arkansas, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 66.2°F (19°C). Transitioning into September, Helena records an average high-temperature of a moderately hot 84.4°F (29.1°C), almost identical to August's 88.5°F (31.4°C). Weather in September »Weather in October
October, like September, in Helena, Arkansas, is another warm autumn month, with an average temperature ranging between max 73.4°F (23°C) and min 55.2°F (12.9°C). The onset of October is marked by a decrease in temperature, transitioning from a warm 84.4°F (29.1°C) in September to a still moderately hot 73.4°F (23°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Helena, Arkansas, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 60.1°F (15.6°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a warm 73.4°F (23°C) in October to a mild 60.1°F (15.6°C). Weather in November »Weather in December
December, the first month of the winter in Helena, is still a cool month, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 39.4°F (4.1°C). Helena's progression into December involves a gentle drop in the average high-temperature, from a moderate 60.1°F (15.6°C) in November to a cool 51.8°F (11°C). Weather in December »Updated: Feb 9, 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
Helena witnesses the coldest weather in January, with temperatures averaging a high of 48°F (8.9°C) and a low of 35.4°F (1.9°C).
In Helena, during the entire year, the rain falls for 123 days and collects up to 16.02" (407mm) of precipitation.
Months with snowfall are January, February and December.
In Helena, Arkansas, during the entire year, snow falls for 3.5 days and aggregates up to 0.35" (9mm) of snow.
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Helena.
The month with the most snowfall is February, when snow falls for 1.3 days and typically aggregates up to 0.28" (7mm) of snow.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
The months with the highest humidity in Helena are March and December, with an average relative humidity of 78%.
In Helena, Arkansas, snow does not fall in March through November.
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.
The month with the most rainfall is April, when the rain falls for 10.8 days and typically aggregates up to 1.89" (48mm) of precipitation.
With an average of 14h and 24min of daylight, June has the longest days of the year.
June has the most sunshine of the year in Helena, Arkansas, with an average of 10.7h of sunshine.
The month with the highest UV index in Helena is June, with an average maximum UV index of 7.
During the warmest month in Helena, July, temperatures average a high of 89.2°F (31.8°C) and a low of 73°F (22.8°C).
September is the month with the least rainfall in Helena, Arkansas. Rain falls for 9.6 days and accumulates 0.67" (17mm) of precipitation.
With an average relative humidity of 67%, October is the least humid month in Helena.
With an average of 9h and 54min of daylight, December has the shortest days of the year in Helena, Arkansas.
Average temperature
Helena, AR
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48°F).
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure
Helena, AR
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30"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 (29.94"Hg).
Average wind speed
Helena, AR
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.3mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Helena, AR
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Helena, AR
- Average rainfall in January:
0.83" - Average rainfall in February:
1.65" - Average rainfall in March:
1.42" - Average rainfall in April:
1.89" - Average rainfall in May:
1.54" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.46" - Average rainfall in September:
0.67" - Average rainfall in October:
1.22" - Average rainfall in November:
0.87" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is April (1.89").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Helena, AR
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
12 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.7 days).
Average snowfall
Helena, AR
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Helena, AR
- Average snowfall days in January:
1 days - Average snowfall days in February:
1.3 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:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Helena, AR
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 42min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Helena, AR
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Helena, AR
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Helena, AR
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility
Helena, AR
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).
