Climate and monthly weather forecastGrannis, AR
Climate and monthly weather forecast
Weather in January
January, the same as December, is a cool winter month in Grannis, Arkansas, with an average temperature ranging between max 51.3°F (10.7°C) and min 34.3°F (1.3°C). With its high average temperature of 51.3°F (10.7°C) and a low of 34.3°F (1.3°C), January is regarded as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another cool month in Grannis, Arkansas, with an average temperature varying between 54.1°F (12.3°C) and 38.3°F (3.5°C). The transition from January to February brings an average high-temperature of a still fresh 54.1°F (12.3°C), barely different from January's 51.3°F (10.7°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Grannis, Arkansas, with an average temperature varying between 45.3°F (7.4°C) and 64°F (17.8°C). As Grannis, Arkansas, transitions into March, a rise in the average high-temperature is observed, moving from a cool 54.1°F (12.3°C) in February to a refreshing 64°F (17.8°C). Weather in March »Weather in April
April is a pleasant spring month in Grannis, Arkansas, with an average temperature fluctuating between 51.8°F (11°C) and 72.7°F (22.6°C). With the start of April, the average high-temperature marginally shifts from March's comfortable 64°F (17.8°C) to an agreeable 72.7°F (22.6°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Grannis, Arkansas, with an average temperature varying between 61°F (16.1°C) and 80.8°F (27.1°C). May's arrival brings a slight change in high-temperatures, adjusting from a pleasant 72.7°F (22.6°C) in April to a moderately hot 80.8°F (27.1°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Grannis, Arkansas, with an average temperature varying between 69.1°F (20.6°C) and 90.1°F (32.3°C). June sees a temperature increase, moving from a warm 80.8°F (27.1°C) in May to a tropical 90.1°F (32.3°C). Weather in June »Weather in July
July, the same as June, in Grannis, Arkansas, is another tropical summer month, with temperature in the range of an average high of 93.4°F (34.1°C) and an average low of 72°F (22.2°C). July, known for its average high temperature of 93.4°F (34.1°C) and an average low temperature of 72°F (22.2°C), is the warmest month. Throughout July, the heat index is appraised at a life-threatening hot 116.6°F (47°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Grannis, Arkansas, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 93.2°F (34°C). Transitioning into August, Grannis experiences an average high-temperature of a still hot 93.2°F (34°C), marking a minor shift from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Grannis, is still a tropical month, with an average temperature varying between 65.5°F (18.6°C) and 86.9°F (30.5°C). The advent of September brings a slight shift in average high-temperature, moving from a tropical 93.2°F (34°C) in August to a still hot 86.9°F (30.5°C). Weather in September »Weather in October
October, like September, in Grannis, Arkansas, is another warm autumn month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 74.3°F (23.5°C). Start of October brings a shift in the average high-temperature, falling from September's hot 86.9°F (30.5°C) to a moderately hot 74.3°F (23.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Grannis, Arkansas, with an average temperature varying between 44.4°F (6.9°C) and 61.7°F (16.5°C). Grannis in November experiences a subtle temperature decline, with average high-temperatures reducing from a warm 74.3°F (23.5°C) in October to a comfortable 61.7°F (16.5°C). Weather in November »Weather in December
December, the first month of the winter in Grannis, is also a fresh month, with an average temperature fluctuating between 37.4°F (3°C) and 52.9°F (11.6°C). The arrival of December signals a subtle shift in temperature, down from an enjoyable 61.7°F (16.5°C) in November to a cool 52.9°F (11.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Grannis, AR
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.3°F).
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure
Grannis, AR
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Grannis, AR
- Average wind speed in January:
6.4mph - Average wind speed in February:
6.7mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Grannis, AR
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (68%).
Average rainfall
Grannis, AR
- Average rainfall in January:
1.54" - Average rainfall in February:
1.73" - Average rainfall in March:
2.48" - Average rainfall in April:
2.44" - Average rainfall in May:
3.98" - Average rainfall in June:
2.17"
- Average rainfall in July:
1.93" - Average rainfall in August:
2.2" - Average rainfall in September:
1.34" - Average rainfall in October:
2.13" - Average rainfall in November:
1.93" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days
Grannis, AR
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
13 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Grannis, AR
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Grannis, AR
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
1.2 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:
0.2 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Grannis, 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 24min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days
Grannis, AR
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is January (20.5 days).
The months with the least sunshine days are May and August (14.8 days).
Average UV index
Grannis, AR
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 2).
Average cloud cover
Grannis, AR
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Grannis, AR
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).





