Climate and monthly weather forecastMorriston, MS
Climate and monthly weather forecast
Weather in January
January, the same as December, in Morriston, Mississippi, is another mild winter month, with an average temperature ranging between max 56.8°F (13.8°C) and min 39.7°F (4.3°C). The month of January sees the lowest average temperatures, reaching 56.8°F (13.8°C) at the peak and 39.7°F (4.3°C) at the low. Weather in January »Weather in February
February, the last month of the winter in Morriston, is an enjoyable month, with an average temperature ranging between min 44.6°F (7°C) and max 62.2°F (16.8°C). The beginning of February marks a minor shift in the average high-temperature, moving from January's mild 56.8°F (13.8°C) to a comfortable 62.2°F (16.8°C). Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Morriston, Mississippi, with an average temperature ranging between min 50.4°F (10.2°C) and max 69.8°F (21°C). As Morriston, Mississippi, enters March, the average high-temperature marginally increases from the a comfortable 62.2°F (16.8°C) of February to a pleasant 69.8°F (21°C). Weather in March »Weather in April
April is a moderately hot spring month in Morriston, Mississippi, with an average temperature fluctuating between 77.7°F (25.4°C) and 56.5°F (13.6°C). A minor escalation in the average high-temperature is seen with the onset of April, moving from a pleasant 69.8°F (21°C) in March to a moderately hot 77.7°F (25.4°C). Weather in April »Weather in May
May, the last month of the spring in Morriston, is another warm month, with an average temperature ranging between min 63.7°F (17.6°C) and max 84.7°F (29.3°C). As Morriston welcomes May, the average high-temperature sees a modest rise, transitioning from 77.7°F (25.4°C) in April to a still moderately hot 84.7°F (29.3°C). Weather in May »Weather in June
June, the first month of the summer in Morriston, is a tropical month, with an average temperature ranging between min 71.2°F (21.8°C) and max 91°F (32.8°C). A slight uplift in the average high-temperature marks June, adjusting from May's warm 84.7°F (29.3°C) to a tropical 91°F (32.8°C). Weather in June »Weather in July
July, the same as June, in Morriston, Mississippi, is another hot summer month, with an average temperature fluctuating between 72.5°F (22.5°C) and 91.6°F (33.1°C). July's climate shows a minor adjustment in average high-temperatures to a still tropical 91.6°F (33.1°C) from June's 91°F (32.8°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Morriston, Mississippi, with temperature in the range of an average high of 91.8°F (33.2°C) and an average low of 73°F (22.8°C). August stands out as Morriston's warmest month, with temperatures ranging between an average high of 91.8°F (33.2°C) and a low of 73°F (22.8°C). In August, the heat index is estimated at a life-threatening hot 114.8°F (46°C). Weather in August »Weather in September
September, the first month of the autumn in Morriston, is still a tropical month, with temperature in the range of an average low of 68°F (20°C) and an average high of 87.8°F (31°C). Morriston, Mississippi, records a slight change with September's average high-temperatures adjusting to a still hot 87.8°F (31°C) from August's 91.8°F (33.2°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Morriston, Mississippi, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 78.6°F (25.9°C). Start of October brings a shift in the average high-temperature, falling from September's hot 87.8°F (31°C) to a warm 78.6°F (25.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Morriston, Mississippi, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 47.1°F (8.4°C). As October transitions into November, Morriston sees a drop in the average high-temperature, transitioning from a warm 78.6°F (25.9°C) to a refreshing 66.7°F (19.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Morriston, Mississippi, with an average temperature varying between 43.7°F (6.5°C) and 59.7°F (15.4°C). In December, the meteorological conditions change slightly, with the average high-temperature moving from an enjoyable 66.7°F (19.3°C) in November to a moderate 59.7°F (15.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Morriston, MS
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure
Morriston, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"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 months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed
Morriston, MS
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.7mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.6mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity
Morriston, MS
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Morriston, MS
- Average rainfall in January:
2.64" - Average rainfall in February:
2.8" - Average rainfall in March:
3.07" - Average rainfall in April:
2.6" - Average rainfall in May:
2.95" - Average rainfall in June:
3.15"
- Average rainfall in July:
4.37" - Average rainfall in August:
3.98" - Average rainfall in September:
2.91" - Average rainfall in October:
2.44" - Average rainfall in November:
1.77" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days
Morriston, MS
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.6 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
17.5 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall
Morriston, MS
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Morriston, MS
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.3 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Morriston, MS
- Average daylight in January:
10h and 24min - 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 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - 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 24min - Average sunshine in February:
5h and 0min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 6min - Average sunshine in December:
4h and 54min
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 54min).
Average sunshine days
Morriston, MS
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
6.8 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
10.3 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
14.9 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index
Morriston, MS
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
Morriston, MS
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Morriston, MS
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





