Climate and monthly weather forecastCornelius, NC
Climate and monthly weather forecast
The climate of Cornelius
Dominating the town of Cornelius, North Carolina, USA, is the Köppen's climatological classification Cfa, otherwise known as the Humid subtropical climate with no dry season. Relatively high temperatures and humidity levels characterize this type of climate, with rainfall spread across the year.Throughout the year, the temperature in Cornelius varies quite extensively from 32.2°F (0.1°C) in January to a peak of 90.3°F (32.4°C) in July. The high temperatures combine with the consistently high relative humidity levels, which oscillate from 70% in the height of summer to a peak of 76% in December, to create a particularly muggy and uncomfortable atmosphere. Rainfall too, sees significant fluctuations from 2.13" (54mm) in October to a high of 3.54" (90mm) in August.
It should be highlighted that the climate here molds unique weather patterns; without fail, the months of May through September see no snowfall. In contrast, the months of December through February see some sporadic snowfall, reaching its peak in December with 2.13" (54mm). However, the town experience sunshine throughout the year, with a slight decrease in December at 5.1 hours.
The best time to visit Cornelius
A good time to consider visiting Cornelius would be around the transition between Spring and Summer, which typically corresponds to clear skies and pleasant warmth. Specifically, May brings an average high temperature of 79°F (26.1°C), sunshine for an average of 9.4 hours per day, and relative humidity level of 75%, painting a picture of ideal holiday weather. During May, rainfall is quite moderate with around 2.99" (76mm) falling over a period of 16.3 days surface.The worst time to visit Cornelius
In contrast, the least desirable time to visit Cornelius is probably around the peak summer months. July, notwithstanding its maximum temperature of 90.3°F (32.4°C), which some might find uncomfortable, also witnesses high rainfall levels, with an average of 2.83" (72mm) of rain falling over an extended 17.9 days. The combination of the heat, rainfall, and relative humidity of 70% could result in a trip filled with either staying indoors or feeling rather uncomfortable outdoors.Spring weather in Cornelius
Spring in Cornelius falls between March and May. During the period, the climate significantly ameliorates from the chill of winter. March heralds the dawn of spring with an average high temperature of 59.9°F (15.5°C) escalating to 79°F (26.1°C) in May. Simultaneously, the snowfall completely disappears, giving way to moderate rainfall averaging between 2.6" (66mm) in March and 2.99" (76mm) in May.Summer weather in Cornelius
Moving on to the summer months, stretching from June to August, the weather transitions into the height of the humid subtropical climate that distinguishes Cornelius. The temperature during this period soars up to an average high of 90.3°F (32.4°C) in July, while nighttime temperature hovers around 68.9°F (20.5°C). Humidity levels diminish slightly, lying at 70% with increasing amounts of rainfall reaching a peak of 3.54" (90mm) in August.Autumn weather in Cornelius
September through November denotes the period of Autumn. During this time, the temperature takes a gradual drop from an average high of 82.2°F (27.9°C) to 58.5°F (14.7°C). The rainfall in this period diminishes, averaging from 2.32" (59mm) in September to 2.48" (63mm) in November, giving way to drier and cooler weather.Winter weather in Cornelius
Winter in Cornelius, spanning from December to February, witnesses dipping temperatures, with an average high dropping to 47.5°F (8.6°C) in January. The night times in these winter months get quite cold, with temperatures dropping to an average low of 32.2°F (0.1°C) in January. Despite the cold, this season sees a relatively low snowfall with an average of 1.57" (40mm) in December to a minimum of 1.42" (36mm) in February.Weather in January
The first month of the year brings the chill of winter to Cornelius. January conditions show the city experiences an average high temperature of 47.5°F (8.6°C) and an average low temperature of 32.2°F (0.1°C). Compared to other months, the days are relatively short, and colder temperatures tend to linger. Weather in January »Weather in February
Moving into the second month, a slight rise in temperature is expected. On average, temperatures range from 36°F (2.2°C) to 52.3°F (11.3°C) in Cornelius. This is accompanied by a slight increase in daylight hours as the days gradually grow longer. Weather in February »Weather in March
March indicates the arrival of spring with a noticeable rise in temperature. The city's weather data displays a visual increase in temperature, from 41.5°F (5.3°C) to 59.9°F (15.5°C). This month also brings a consistent level of humidity of around 74% along with moderate rainfall. Weather in March »Weather in April
April brings further signs of spring with increasing warmth. It is observed that temperatures in the city vary from 50.5°F (10.3°C) to a pleasant 70.2°F (21.2°C). This month features longer days and higher levels of sunshine compared to the previous ones. Weather in April »Weather in May
In May, the city leaves behind the mild spring temperatures, welcoming the onset of summer. Ranging from 58.8°F (14.9°C) to 79°F (26.1°C), the town experiences a significant rise in heat. With 14.1 hours of daylight and longer sunshine hours, the days become noticeably longer. Weather in May »Weather in June
June in Cornelius reflects full-fledged summer with hot, mostly clear days. Based on the provided data, the temperature fluctuates between 65.8°F (18.8°C) and 87.1°F (30.6°C), which are the highest temperature readings since the beginning of the year. Weather in June »Weather in July
July is the hottest month in North Carolina, and Cornelius is no exception. From the data, the highest average temperature for the year is witnessed in July, with the scale varying from 68.9°F (20.5°C) to 90.3°F (32.4°C). Humidity also peaks during this period, leading to occasional thundershowers. Weather in July »Weather in August
August carries forward July's high heat, but with a small decrease in temperature. The city's temperature fluctuates from 88.3°F (31.3°C) at the higher end to 67.5°F (19.7°C) at the lower end. As summer continues, August experiences less sunshine compared to June and July. Weather in August »Weather in September
September brings about a significant change, acting as a pivot between the hot summer months and the onset of fall. Temperatures vary from 62.4°F (16.9°C) to 82.2°F (27.9°C) during this time. As the month progresses, this period displays a gradual decrease in daylight hours and temperature. Weather in September »Weather in October
October sees Cornelius, North Carolina, fully submerged in the season of fall. The city's average temperatures shift from 51.8°F (11°C) to 70.7°F (21.5°C), marking the start of the cool weather. This month is characterized by shorter sunshine hours compared to September and a more moderate climate. Weather in October »Weather in November
November, the last month of the autumn in Cornelius, is also a moderate month, with an average temperature fluctuating between 58.5°F (14.7°C) and 41.4°F (5.2°C). November's arrival corresponds with a decrease in average high-temperatures, from October's pleasant 70.7°F (21.5°C) to a mild 58.5°F (14.7°C). Weather in November »Weather in December
December brings back the chill of winter in Cornelius. With temperatures ranging from 37.2°F (2.9°C) to 51.4°F (10.8°C), it has a stark contrast to the warm weather observed earlier in the year. As this month progresses, there's an evident reduction in daylight hours which characterizes winter solstice. Weather in December »Updated: Aug 26, 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
Cornelius's coldest temperatures are experienced in January, with average high temperatures of 47.5°F (8.6°C) and lows of 32.2°F (0.1°C).
Throughout the year, there are 159.6 rainfall days, and 33.07" (840mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
In Cornelius, during the entire year, snow falls for 5.7 days and aggregates up to 5.94" (151mm) of snow.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through October are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June and July, with an average relative humidity of 70%, are the least humid months.
The month with the longest days is June, with an average of 14h and 30min of daylight.
Temperature records mark July as the warmest month, with highs averaging 90.3°F (32.4°C) and lows at 68.9°F (20.5°C).
With an average of 10.7h of sunshine, July has the most sunshine of the year in Cornelius.
The month with the most rainfall is August, when the rain falls for 18 days and typically aggregates up to 3.54" (90mm) of precipitation.
October is the month with the least rainfall. Rain falls for 10.2 days and accumulates 2.13" (54mm) of precipitation.
December is the most humid month, with an average relative humidity of 76%.
The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 2.13" (54mm) of snow.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 5.1h of sunshine.
Average temperature
Cornelius, NC
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.5°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure
Cornelius, NC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Cornelius, NC
- Average wind speed in January:
6.6mph - Average wind speed in February:
7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.4mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.3mph - Average wind speed in September:
5mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Cornelius, NC
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are June and July (70%).
Average rainfall
Cornelius, NC
- Average rainfall in January:
2.68" - Average rainfall in February:
2.44" - Average rainfall in March:
2.6" - Average rainfall in April:
3.43" - Average rainfall in May:
2.99" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.83" - Average rainfall in August:
3.54" - Average rainfall in September:
2.32" - Average rainfall in October:
2.13" - Average rainfall in November:
2.48" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days
Cornelius, NC
- Average rainfall days in January:
10.9 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
18 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Cornelius, NC
The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Cornelius, NC
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.7 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:
0.8 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cornelius, NC
- 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 30min - 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 24min - Average sunshine in February:
6h and 12min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Cornelius, NC
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11 days).
Average UV index
Cornelius, NC
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Cornelius, NC
The months with the most cloud cover are February, March and December (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility
Cornelius, NC
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
