Climate and monthly weather forecastGreenbrier, AR
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Greenbrier, Arkansas, with an average temperature fluctuating between 46.9°F (8.3°C) and 32.2°F (0.1°C). In Greenbrier, the lowest temperatures are generally noted in January, averaging a high of 46.9°F (8.3°C) and a low of 32.2°F (0.1°C). Weather in January »Weather in February
The last month of the winter, February, is a cool month in Greenbrier, Arkansas, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 50.7°F (10.4°C). The shift into February uncovers an average high-temperature of a fresh 50.7°F (10.4°C), subtly different from the previous month. Weather in February »Weather in March
March, the first month of the spring in Greenbrier, is a moderate month, with an average temperature ranging between min 43°F (6.1°C) and max 60.4°F (15.8°C). March comes with an increase, with the average high-temperature moving from a fresh 50.7°F (10.4°C) in February to a mild 60.4°F (15.8°C). Weather in March »Weather in April
April in Greenbrier, Arkansas, is a pleasant spring month, with an average temperature varying between 51.1°F (10.6°C) and 70.3°F (21.3°C). Greenbrier sees an increase in average high-temperatures during April, moving from a mild 60.4°F (15.8°C) in March to a pleasant 70.3°F (21.3°C). Weather in April »Weather in May
May, the last month of the spring in Greenbrier, is a warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 79.2°F (26.2°C). May witnesses a subtle temperature ascent, adjusting from an agreeable 70.3°F (21.3°C) in April to a moderately hot 79.2°F (26.2°C). Weather in May »Weather in June
June, the first month of the summer in Greenbrier, is a hot month, with an average temperature ranging between max 88.3°F (31.3°C) and min 67.6°F (19.8°C). June's arrival brings a temperature shift, moving from a moderately hot 79.2°F (26.2°C) in May to a hot 88.3°F (31.3°C). Weather in June »Weather in July
July, like June, is a hot summer month in Greenbrier, Arkansas, with an average temperature fluctuating between 91°F (32.8°C) and 70.3°F (21.3°C). The average temperatures reach their apex in July, averaging 91°F (32.8°C) at the high end and 70.3°F (21.3°C) at the low end. July's mean heat index is appraised at a blisteringly hot 111.2°F (44°C). Weather in July »Weather in August
August, the last month of the summer in Greenbrier, is another tropical month, with an average temperature fluctuating between 69.4°F (20.8°C) and 90.1°F (32.3°C). The onset of August marks an average high-temperature of a still hot 90.1°F (32.3°C), hardly differing from July's 91°F (32.8°C). Weather in August »Weather in September
September, the first month of the autumn in Greenbrier, is also a moderately hot month, with an average temperature fluctuating between 83.5°F (28.6°C) and 63.1°F (17.3°C). September reveals a small adjustment in temperature, transitioning from an average high of a hot 90.1°F (32.3°C) in August to a moderately hot 83.5°F (28.6°C). Weather in September »Weather in October
October, the same as September, in Greenbrier, Arkansas, is an agreeable autumn month, with an average temperature ranging between min 51.8°F (11°C) and max 71.4°F (21.9°C). Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 83.5°F (28.6°C) to a pleasant 71.4°F (21.9°C). Weather in October »Weather in November
November, the last month of the autumn in Greenbrier, is another refreshing month, with an average temperature varying between 58.5°F (14.7°C) and 42.1°F (5.6°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from an agreeable 71.4°F (21.9°C) in October to a mild 58.5°F (14.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Greenbrier, Arkansas, with an average temperature ranging between min 35.8°F (2.1°C) and max 49.6°F (9.8°C). December marks a gentle change in average high-temperature, declining from November's mild 58.5°F (14.7°C) to a chilly 49.6°F (9.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Greenbrier, AR
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.9°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure
Greenbrier, AR
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"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
Greenbrier, AR
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.7mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Greenbrier, AR
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Greenbrier, AR
- Average rainfall in January:
0.98" - Average rainfall in February:
1.02" - Average rainfall in March:
0.98" - Average rainfall in April:
1.54" - Average rainfall in May:
1.42" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.18" - Average rainfall in September:
0.94" - Average rainfall in October:
0.98" - Average rainfall in November:
0.98" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days
Greenbrier, AR
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is October (7.2 days).
Average snowfall
Greenbrier, AR
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Greenbrier, AR
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
1.1 days - Average snowfall days in March:
0.4 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:
0.5 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Greenbrier, AR
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - 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 30min
- Average daylight in July:
14h and 18min - 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 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days
Greenbrier, AR
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
16 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (14 days).
Average UV index
Greenbrier, AR
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Greenbrier, AR
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility
Greenbrier, AR
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





