Climate and monthly weather forecastMcComb, MS
Climate and monthly weather forecast
The climate of McComb
McComb, Mississippi sits comfortably within the humid subtropical climate zone, recognized by the Köppen climate classification as 'Cfa'. This region, located in the United States, remains devoid of a dry season, while still experiencing relatively high humidity levels throughout the year.Through a closer inspection of climatological data, an annual weather pattern emerges. Generally, the temperatures vary significantly over the year, reaching their peak during the summer months and dipping to the lowest during winter. Specifically, average high temperatures scale from 56.7°F (13.7°C) in January to 90.9°F (32.7°C) come July. In sync with this trend, low temperatures show a similar pattern, fluctuating between 39.7°F (4.3°C) in January and climbing up to 72.1°F (22.3°C) in both July and August.
Periods of rainfall permeate the entire year, yet display stark differences in intensity. These varied quantities range from 0.79" (20mm) in November to 2.6" (66mm) during August, providing insight into the precipitation behavior of the region. Notably, snowfall seen in McComb is insignificant, limited to just 0.12" (3mm) in January and December alone.
The best time to visit McComb
Owing to the humid subtropical climate, the favorable times for visits to McComb will largely be dictated by personal preference and weather tolerance levels. Nevertheless, for those seeking a balance between heat and rain, April to June would be the recommended period. During this time, temperatures remain pleasantly warm, hovering from 69.3°F (20.7°C) to 90°F (32.2°C), while rainfall is on the lower end of the scale, at an average of 1.26" (32mm) to 1.61" (41mm).The worst time to visit McComb
Navigating McComb would be less pleasant during the peak summer months of July and August. With temperatures soaring to high averages of 90.3°F (32.4°C) to 90.9°F (32.7°C) and rainfall peaking concerning 2.52" (64mm) to 2.6" (66mm), the heat and humidity conditions could be overwhelming. This time of the year is particularly less desirable for outdoor activities or sightseeing.Spring weather in McComb
Spring winds into McComb with a noticeable climb in temperatures and a gradual increase in rainfall. March witnesses high temperatures of 69.3°F (20.7°C) to 76.8°F (24.9°C) in April and the low temperatures scale up from 50°F (10°C) to 55.9°F (13.3°C). While the rainfall measures 1.26" (32mm) in March, it increases slightly to 1.38" (35mm) in April.Summer weather in McComb
Summer hits a hot streak in McComb with the high temperatures scaling upward from 83.8°F (28.8°C) in May, reaching a boiling point of 90.9°F (32.7°C) in July and dropping to 86.7°F (30.4°C) by September. The lows follow suit, with temperatures steadily rising from 63.1°F (17.3°C) in May to 72.1°F (22.3°C) in both July and August. The rainfall also hits a high during July and August with 2.52" (64mm) and 2.6" (66mm) respectively.Autumn weather in McComb
Autumn presents a cooling trend in McComb. High temperatures fall from 86.7°F (30.4°C) in September to a mild 66°F (18.9°C) by November. Likewise, low temperatures follow a similar pattern, averaging 68°F (20°C) in September and trailing off to 47.3°F (8.5°C) in November. Rainfall declines quite significantly during this period as well, decreasing from 1.42" (36mm) in September to a minimal 0.79" (20mm) in November.Winter weather in McComb
Winter months in McComb are characterized by the coolest temperatures and sporadic snowfall. While the highs range from 59°F (15°C) to 66°F (18.9°C) during this period, lows can reach 39.7°F (4.3°C) in January. Rainfall falls to an average 1.26" (32mm) in December and January, and snow makes a trivial appearance with just 0.12" (3mm) in January.Weather in January
The chilly month of January brings a mild winter season to McComb, Mississippi, while the moderate rainfall results in wet conditions. There's a noticeable dip in daylight hours, compared to the preceding months, resulting in shorter days and longer nights. Weather in January »Weather in February
In McComb, the weather in February represents a transition phase from winter to spring. As compared to January, there's an observable rise in the average temperature, humidity, and daylight hours. These changes paint a picture of a town inching closer towards warmer months even though the temperatures remain relatively low. Weather in February »Weather in March
March brings a noticeable change in McComb's weather, acting as a gateway to the vibrant spring season. Warmer conditions gradually creep in, extending outdoor activities for residents and tourists alike. This month's main characteristic is the influx of longer day time, indicating the onset of the vernal equinox. Weather in March »Weather in April
April in McComb signals the full onslaught of the spring season. The city lives up to its reputation of displaying a temperate continental climate, characterized by moderate rainfall and increased daylight hours. Concurrently, the monthly minimum and maximum temperatures progress towards a warmer spectrum, paving the way for milder weather conditions in the city. Weather in April »Weather in May
The weather in May in McComb, Mississippi showcases a sharp transition from the cool spring to the early onset of summer. The rise in temperature combined with increased hours of sunshine sets the stage for warm and generally sunny weather. Weather in May »Weather in June
June sets the stage for the full onset of summer in McComb, Mississippi. Residents experience the warmest and longest days of the year during this time. The city's landscapes bask under the glory of abundant sunlight, prompting an active outdoor life amidst the natural surroundings. Weather in June »Weather in July
July in McComb sees the weather at its zenith in terms of heat. It's resoundingly the hottest month of the year, with average daily temperatures reaching their maximum at 90.9°F (32.7°C). This extreme presents a stark contrast to the pleasantly mild temperatures of the spring months prior. Weather in July »Weather in August
August carries forward the torrid weather conditions typical of McComb's summer season. Despite a slight dip in temperatures compared to July, the weather remains substantially hot throughout the month. The city remains drenched in sunshine for extended periods, offering ample opportunities for enjoying the summer sun. Weather in August »Weather in September
September witnesses the gradual transition of McComb's weather from the peak summer conditions to the cooler autumn season. The temperatures start to decline, giving a noticeable relief from the scorching summer heat. Rainfall continues to be significant, although not quite as high as August's peak. Weather in September »Weather in October
October showcases a significant shift in McComb's weather with the onset of the autumn season. It's a time when the blazing summer gives way to softer sunlight and moderate temperatures. The fall foliage in full swing adds to the city's charm. Weather in October »Weather in November
November marks the transition from fall to winter in McComb. The weather undergoes noticeable changes with a substantial dip in temperature and daylight hours. As winter starts creeping in, the city experiences a sharp reduction in temperature, with the mercury falling to residuals of 66°F (18.9°C) on average. Weather in November »Weather in December
The last month of the year, December, brings the full-blown winter season to McComb, Mississippi. Subdued sunlight, lesser daylight hours, and a chill in the air mark this time of the year. While temperatures continue to plunge further, signs of frost become increasingly common. Weather in December »Updated: Feb 12, 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
McComb, Mississippi, experiences its average lowest temperatures in January, reaching a peak of 56.7°F (13.7°C) and a minimum of 39.7°F (4.3°C).
In McComb, Mississippi, during the entire year, the rain falls for 151.2 days and collects up to 17.8" (452mm) of precipitation.
Months with snowfall in McComb are January, March and December.
The months with the most snowfall in McComb, Mississippi, are January and December, with an average 0.12" (3mm) of accumulated snow.
In McComb, during the entire year, snow falls for 1 days and aggregates up to 0.28" (7mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
The months with the highest humidity in McComb, Mississippi, are February and December, with an average relative humidity of 82%.
February, April through November are months without snowfall in McComb.
February and December, with an average of 4.8h of sunshine, are months with the least sunshine in McComb, Mississippi.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in McComb, Mississippi, 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 longest days is June, with an average of 14h and 6min of daylight.
The month with the most sunshine in McComb, Mississippi, is June, with an average of 10.4h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index in McComb.
McComb's warmest month, July, registers temperatures that range from a high of 90.9°F (32.7°C) to a low of 72.1°F (22.3°C).
August is the month with the most rainfall in McComb. Rain falls for 18.9 days and accumulates 2.6" (66mm) of precipitation.
October is the least humid month in McComb, with an average relative humidity of 72%.
November is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.79" (20mm) of precipitation.
The month with the shortest days is December, with an average of 10h and 12min of daylight.
Average temperature
McComb, MS
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure
McComb, 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:
29.99"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
McComb, MS
- Average wind speed in January:
6.7mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.7mph - Average wind speed in April:
7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity
McComb, MS
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
McComb, MS
- Average rainfall in January:
1.18" - Average rainfall in February:
1.1" - Average rainfall in March:
1.26" - Average rainfall in April:
1.38" - Average rainfall in May:
1.46" - Average rainfall in June:
1.61"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.6" - Average rainfall in September:
1.42" - Average rainfall in October:
1.22" - Average rainfall in November:
0.79" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days
McComb, MS
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
11 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
20 days - Average rainfall days in August:
18.9 days - Average rainfall days in September:
16 days - Average rainfall days in October:
8 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).
Average snowfall
McComb, MS
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").
Average snowfall days
McComb, MS
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0.2 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:
0.3 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
McComb, 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 6min
- Average daylight in July:
13h and 54min - 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 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 48min - Average sunshine in March:
7h and 6min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
McComb, MS
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
8.9 days - Average sunshine days in August:
9.7 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).
Average UV index
McComb, 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
McComb, MS
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility
McComb, MS
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
