Climate and monthly weather forecastApex, NC
Climate and monthly weather forecast
The climate of Apex
Apex, North Carolina falls in the humid subtropical zone according to Köppen climate classification, identified by the initials Cfa. Influenced by its geographical position in the eastern United States, Apex experiences a combination of warm humid summers and cool to cold winters.Over the year, the temperature fluctuates significantly from 32.5°F (0.3°C) in the colder months to high peaks of 89.8°F (32.1°C) during summer. The monthly average humidity remains relatively consistent throughout the year, varying between 71% and 76%. Rainfall in Apex is fairly well distributed across the 12 months, with an annual average of around 2.53" (64mm) per month. The number of rainfall days varies from 9.1 to 17.9 days per month.
Different characteristics define each season's weather in Apex. In terms of daylight, the shortest days occur in the winter months with only 9.8 hours while the longest days in June bring an average of 14.6 hours of daylight. The sun shines brightly for between 5.5 hours in December to 10.8 hours in July. On average, Apex sees around 13-20 sunshine filled days per month with less sunshine during the spring and early summer months.
The best time to visit Apex
For those visitors who prefer warmer climates and longer days, the best time to visit Apex would likely be in late spring, particularly May, or during the summer months. During this time, the temperature averages from a comfortable 70.5°F (21.4°C) to a high of 89.8°F (32.1°C). Meanwhile, the daylight hours range between 14.1 and 14.6 hours, providing ample sunlight for outdoor activities.The worst time to visit Apex
The chilly months of winter, especially January with its low temperature average of 32.5°F (0.3°C), may not be an appealing time to visit Apex. Along with lower temperatures, these months also have shorter days with only 9.8 to 10.1 hours of daylight which may limit outdoor explorations.Spring weather in Apex
Spring in Apex comes with fair weather conditions. The temperature averages range from 59.2°F (15.1°C) in March to 78.6°F (25.9°C) in May. During these months, daylight averages from 12 hours to 14.1 hours. It's the season with significant rainfall, especially in May with an average rainfall of 3.15" (80mm).Summer weather in Apex
Summers in Apex are warm with temperatures going up to an average of 89.8°F (32.1°C) in July, the hottest month. Daylight hours are at their peak with an average of 14.6 hours in June. Despite the heat, summer brings a lower percentage of rainfall with an average of 2.68" (68mm) in July.Autumn weather in Apex
Autumn sees a decline in temperature, ranging from 81.9°F (27.7°C) in September to 59.4°F (15.2°C) in November, and a reduction in daylight hours from 12.4 hours in September to 10.3 hours in November. Rainfall decreases slightly to an average of 2.36" (60mm) in September.Winter weather in Apex
Winter in Apex is quite cold, with temperatures dropping down to 32.5°F (0.3°C) in January. These colder months also carry the least amount of daylight, an average of 9.8 hours in December being the shortest. Winter brings a slight increase in average rainfall to 2.56" (65mm) in December.Weather in January
As the year begins, Apex, North Carolina exhibits a typically winter climate; cold, damp, and somewhat short days. Temperatures tend to fluctuate between 32.5°F (0.3°C) and 48°F (8.9°C) with daytime often cloudy. However, the adjust in temperature from the previous month is hardly noticeable. Weather in January »Weather in February
February maintains the winter character of Apex's climate, albeit with a slight adjustment in temperature. The mercury plods between 35.8°F (2.1°C) and 52.9°F (11.6°C), making it a little warmer than January. Apex experiences slightly more snowfall at 1.5" (38mm) as compared to January's 1.61" (41mm). Weather in February »Weather in March
The conversion from winter to spring marks the month of March in Apex, North Carolina. Temperatures display an upward trend, excluding it from typically cold months, and while rainfall persists, snow occurrences progressively dwindle down. Weather in March »Weather in April
April in Apex solidly represents the herald of spring demonstrating evident changes in temperature and daylight. Temperatures percolate from 52°F (11.1°C) to 70.5°F (21.4°C), a change that suggests the retreat of colder months. Weather in April »Weather in May
In May, Apex, North Carolina emerges in full spring bloom, hinting at the upcoming summer. Temperatures typically range from 60.3°F (15.7°C) to 78.6°F (25.9°C), signaling a significant jump from the cooler temperatures of April. Weather in May »Weather in June
June premiers the summer season in Apex with a noticeable jump in heat and a gradual increase in sunlight. Average temperatures soar from 67.5°F (19.7°C) to a scorching 86°F (30°C), making this month one of the notably warm ones. Weather in June »Weather in July
July in Apex, North Carolina radiates full-blown summer; high temperatures, clear skies, and elevated levels of Sunshine hours. The temperature ranges between a warm 70.9°F (21.6°C) and a sweltering 89.8°F (32.1°C), the latter marking the highest temperature all year. Weather in July »Weather in August
Midsummer August continues to uphold Apex’s torrid weather conditions. The mercury fluctuates from a warm 69.6°F (20.9°C) to 87.4°F (30.8°C), reporting a bit of a respite from July's scorching heat. The average daylight hours begin to diminish from 14.3 hours to 13.5 hours, signaling the approaching end of summer. Weather in August »Weather in September
September paints a picturesque display of early fall weather in Apex, North Carolina. The mercury takes a dip and lands between 63.9°F (17.7°C) and 81.9°F (27.7°C), marking the end of the intense summer heat. Daylight hours drop further, but the city still enjoys substantial hours of sunshine. Weather in September »Weather in October
October unravels a gradual shift from the warm September to noticeably cooler and short days. The mercury fluctuates from less warm 53.2°F (11.8°C) to a moderate 70.7°F (21.5°C), signalling the onset of autumn. Transitioning from October to November, the city prepares to move into progressively chillier days of the year end. Weather in October »Weather in November
The last month of the autumn, November, is mild month in Apex, North Carolina, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 42.3°F (5.7°C). Apex's progression into November involves a drop in the average high-temperature, receding from a pleasant 70.7°F (21.5°C) in October to a mild 59.4°F (15.2°C). Weather in November »Weather in December
December draws the curtain on the year and welcomes the winter in Apex, North Carolina. Daytime temperatures drop between 38.1°F (3.4°C) and 52.3°F (11.3°C), displaying a clear break from the warm climate of previous months. Weather in December »Updated: Jun 22, 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
In Apex, the average lowest temperatures are observed in January, with a high of 48°F (8.9°C) and a low of 32.5°F (0.3°C).
Throughout the year, there are 161.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.61" (41mm) of snow.
Throughout the year, there are 5.9 snowfall days, and 4.37" (111mm) of snow is accumulated.
The month with the lowest UV index is January, with an average maximum UV index of 2.
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 in Apex.
The month with the most rainfall in Apex is May, when the rain falls for 17.7 days and typically aggregates up to 3.15" (80mm) of precipitation.
June has the longest days of the year, with an average of 14h and 30min of daylight.
Apex's warmest month, July, registers temperatures that range from a high of 89.8°F (32.1°C) to a low of 70.9°F (21.6°C).
July is the least humid month, with an average relative humidity of 71%.
The month with the most sunshine is July, with an average of 10.8h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 7.
October is the month with the least rainfall in Apex. Rain falls for 10 days and accumulates 2.17" (55mm) of precipitation.
The most humid month in Apex is December, with an average relative humidity of 76%.
With an average of 9h and 48min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.5h of sunshine.
Average temperature
Apex, NC
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (48°F).
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure
Apex, 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:
30.02"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Apex, NC
- Average wind speed in January:
7mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Apex, NC
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Apex, NC
- Average rainfall in January:
2.28" - Average rainfall in February:
2.28" - Average rainfall in March:
2.48" - Average rainfall in April:
2.56" - Average rainfall in May:
3.15" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.99" - Average rainfall in September:
2.36" - Average rainfall in October:
2.17" - Average rainfall in November:
2.76" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days
Apex, NC
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Apex, NC
The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Apex, NC
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1 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 (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Apex, 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 6min - 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 36min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Apex, NC
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Apex, NC
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Apex, NC
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Apex, 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).
