Climate and monthly weather forecastMeridian, MS
Climate and monthly weather forecast
The climate of Meridian
Meridian, Mississippi, resides under the Köppen climate classification of Cfa, characterized as a Humid subtropical zone with no dry season. Variations in weather patterns are experienced annually, a testament to the subtropical nature of the region. The temperatures fluctuate from an average low of 37.9°F (3.3°C) in January to a peak average of 91.9°F (33.3°C) in July. A similar pattern is observed in humidity levels, ranging from a 70% relative humidity in October to a peak of 81% in December.The city receives an average annual rainfall of over 30" (762mm), with the highest downpour recorded in July and August. Snowfall experience is less frequent and mostly occurs in the first and last quarters of the year, with an annual average snowfall value under 1 inch. The sunlight hours vary, starting at 10.1 hours in January and stretching out to up 14.3 hours in June.
A unique aspect of Meridian's climate is its steady wind speed, with an average monthly range from 4.7mph (7.6km/h) in August to 7.5mph (12.1km/h) in February.
The best time to visit Meridian
Given Meridian's humid subtropical climate, the best time to visit would be between April and June. During these months, the weather is moderately warm with average high temperatures moving from 76.6°F (24.8°C) in April to 90.7°F (32.6°C) in June. The period also registers a relatively low rainfall between 2.17" (55mm) to 2.83" (72mm), and more daylight hours are available for outdoor activities with daylight hours expanding from 13 to 14.3. The city also experiences higher visibility during this period, averaging at 6 miles, enhancing exploration and sightseeing.The worst time to visit Meridian
July to September can be challenging months for visitors to Meridian. During this period, the city records its highest average temperature peaking at 91.9°F (33.3°C) in July. Rainfall also makes a significant increase, with a peak at 3.27" (83mm) in August. Coupled with high humidity levels around 75%, this period might not particularly favor visitors who are less comfort with high humidity and wet conditions.Spring weather in Meridian
Spring arrives in Meridian in March and lasts through May. Average temperatures range from 67.3°F (19.6°C) to 83.8°F (28.8°C) during this period. Although relatively humid due to the 74-78% relative humidity range, the weather remains largely comfortable. The region experiences rainfall levels between 2.52" (64mm) and 2.83" (72mm), and the run of daylight extends from 12-13.8 hours per day, affording residents and visitors ample sunshine for outdoor activities.Summer weather in Meridian
June ushers in summer in Meridian, extending through August. The temperatures during this period climb to elevated levels, with averages varying from 90.7°F (32.6°C) to 91.9°F (33.3°C). Humidity levels also rise, accompanied by rainfall that peaks at 3.27" (83mm) in August. These months also offer maximum daylight hours, extending up to 14.3 hours in June.Autumn weather in Meridian
The autumn season in Meridian, starting in September and ending in November, registers a notable decrease in temperatures. A shift to cooler weather is observed, with averages falling from 86.9°F (30.5°C) in September to 64.6°F (18.1°C) in November. However, this period also sees a reduction in rainfall, with precipitation receding from 2.4" (61mm) to 1.81" (46mm).Winter weather in Meridian
Winter in Meridian comes with its chilly moments. It starts in December, with temperatures dropping to an average low of 41.9°F (5.5°C), till February, when it rises slightly to 42.1°F (5.6°C). Relative humidity levels increase during this season, peaking at 81% in December. Although rare, snowfall occurs during the winter months with minimal impact on daily life or travel. This period also sees reduced daylight hours, averaging at 10.2 hours per day.Weather in January
Meridian, Mississippi ushers in the year with January bearing cooler temperatures, especially in comparison to the upcoming spring months. During this period, the city experiences an increased level of humidity contributing to the overall coolness. Weather in January »Weather in February
With February following January, it maintains similar weather conditions in Meridian. However, temperatures both the daily highs and the lows, start to climb slightly. This is accompanied by a relative increase in the amount of rainfall. Weather in February »Weather in March
March marks a clear transition from winter to spring in Meridian. Temperatures, humidity levels, and the hours of daylight continue to rise, while cloud coverage decreases. Precipitation in March falls slightly from 2.64" (67mm) in February to 2.52" (64mm). Weather in March »Weather in April
In April, Meridian welcomes an increase in temperature, seeing average daily highs rise to 76.6°F (24.8°C) from 67.3°F (19.6°C) in the previous month. The city is bathed in 9.4 hours of sunshine on average per day, a significant increase from 6.8 hours in March. Weather in April »Weather in May
May in Meridian is characterized by steady warming, as we move deeper into spring and approach summer. The city experiences a considerable jump in weather elements with an increase in both temperatures, humidity, and periods of sunshine. Weather in May »Weather in June
Kicking off the summer season, June in Meridian is truly sun-soaked with an average of 10.6 hours of sunshine per day. The city sees a rise in temperature, peaking around 90.7°F (32.6°C) on average and the humidity reaches 73%, one of the highest throughout the year. Weather in June »Weather in July
July is the pinnacle of the hot summer months in Meridian with temperatures reaching an all-year high at an average of 91.9°F (33.3°C). An interesting feature of July as noted is the shift from 2.64" (67mm) of rainfall in June to 3.19" (81mm), making it one of the wettest months in the year. Weather in July »Weather in August
In August, temperatures in Meridian remain nearly constant with July, with a marginal dip to an average high of 91.2°F (32.9°C). With the summer peaking, the sunlight hours stay at 10.4, equal with the previous month. However, rainfall shows a slight uptick to 3.27" (83mm). Weather in August »Weather in September
September signifies the end of summer and beginning of fall in Meridian. The month witnesses the start of a steady decline in temperature, rainfall, and humidity. An appreciable drop in the average high temperature to 86.9°F (30.5°C) from 91.2°F (32.9°C) in August is noted. Weather in September »Weather in October
October in Meridian brings noticeable change in weather, with temperatures, humidity, and rainfall all experiencing substantial fall. The average high temperature dips to 76.8°F (24.9°C), a significant drop from the 86.9°F (30.5°C) in September. Weather in October »Weather in November
As we enter November, the weather in Meridian becomes distinctly cooler, with average high temperatures dropping to 64.6°F (18.1°C). November sees a further decrease in rainfall, humidity, and hours of sunshine. The transition from fall to winter starts becoming more evident with cooling temperatures and a slight increase in wind speeds. Weather in November »Weather in December
December brings the cold winter weather to Meridian. With the average high temperature dropping to 57.2°F (14°C), it is the coolest in comparison to the rest of the year. However, December also experiences the highest relative humidity across the year at 81%. Weather in December »Updated: Aug 20, 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
Meridian's January weather, marked by an average high temperature of 54.5°F (12.5°C) and an average low temperature of 37.9°F (3.3°C), is the coldest in the year.
Throughout the year, there are 158.9 rainfall days, and 31.57" (802mm) of precipitation is accumulated.
January, February, November and December are months with snowfall.
In Meridian, during the entire year, snow falls for 2.6 days and aggregates up to 0.94" (24mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
In Meridian, snow does not fall in March through October.
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.
With an average of 14h and 12min of daylight, June has the longest days of the year.
The month with the most sunshine is June, with an average of 10.6h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
July, on average, is the warmest month, registering a high temperature of 91.9°F (33.3°C) and a low of 71.6°F (22°C).
August is the month with the most rainfall. Rain falls for 19.6 days and accumulates 3.27" (83mm) of precipitation.
The least humid month is October, with an average relative humidity of 70%.
November is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.81" (46mm) of precipitation.
The most humid month in Meridian, Mississippi, is December, with an average relative humidity of 81%.
December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.39" (10mm) of snow.
December has the shortest days of the year, with an average of 10h and 6min of daylight.
With an average of 4.8h of sunshine, December has the least sunshine of the year.
Average temperature
Meridian, MS
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.5°F).
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure
Meridian, MS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"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:
29.99"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
Meridian, MS
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.4mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.1mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Meridian, MS
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Meridian, MS
- Average rainfall in January:
2.72" - Average rainfall in February:
2.64" - Average rainfall in March:
2.52" - Average rainfall in April:
2.83" - Average rainfall in May:
2.17" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.27" - Average rainfall in September:
2.4" - Average rainfall in October:
2.17" - Average rainfall in November:
1.81" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days
Meridian, MS
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
21 days - Average rainfall days in August:
19.6 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.1 days).
Average snowfall
Meridian, MS
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days
Meridian, MS
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.8 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:
0.4 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Meridian, MS
- 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 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 24min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 6min - 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
Meridian, MS
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
8.2 days - Average sunshine days in August:
9 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (8.2 days).
Average UV index
Meridian, 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
Meridian, MS
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Meridian, MS
The months with the highest visibility are January, February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are May, July and September (5mi).
