Climate and monthly weather forecastCainhoy, SC
Climate and monthly weather forecast
The climate of Cainhoy
Sitting in South Carolina, USA, Cainhoy experiences a vivid embodiment of the Köppen climate classification Cfa - a humid subtropical climate with no dry season. Rhythms of the year bring forth distinct variations in weather attributes, entailing a noticeable transition from mild winters to sweltering summers.If you trace the mercury's climb and fall throughout the year, it might paint a telling picture. The year unfurls with minimum temperatures moving from 45.1°F (7.3°C) in January to peak at 77.9°F (25.5°C) in July before retreating back to 50°F (10°C) in December. Simultaneously, the maximum temperatures echo this pattern, commencing at 57.2°F (14°C) in January, peaking at 87.6°F (30.9°C) in July, and wrapping up the year at a cool 60.6°F (15.9°C) in December.
Humid subtropical climates define themselves with rainfall through the year and Cainhoy falls right into the pattern. With minimum rainfall recorded 1.38" (35mm) in January, rainfall gradually increases to reach a yearly high of 8.03" (204mm) in August. The number of rainfall days follow a similar pattern, starting at 9.8 in January and reaching 25.8 in August. Weather conditions unique to the area also include the faint possibility of snow in December at 0.5" (13mm).
The best time to visit Cainhoy
Considering the climatic factors, the optimum time to venture into Cainhoy would be from March to May. During this period, the minimum temperatures thread from a mild 52.7°F (11.5°C) to 68.5°F (20.3°C) and maximum temperatures range from a comfortable 64.6°F (18.1°C) to 79°F (26.1°C). Rainfall is well within comfortable limits, varying from 1.97" (50mm) to 3.23" (82mm). Additionally, relatively fewer days of rainfall allow more opportunity for outdoor exploration.The worst time to visit Cainhoy
The less agreeable part of Cainhoy's yearly climate cycle encompasses the months of July and August. Maximum temperatures hover around the 80°F (26.7°C) mark and minimum temperatures too remain high. Rainfall is at its most pronounced with a record of 5.51" (140mm) in July and 8.03" (204mm) in August, making outdoor activities a challenge.Spring weather in Cainhoy
Spring sees a transition from the cooler months towards the heat of Summer. The period from March to May witnesses temperatures varying from a minimum of 52.7°F (11.5°C) to 60.4°F (15.8°C) and maximum temperatures between 64.6°F (18.1°C) to 72.1°F (22.3°C). Rainfall ranges within 1.97" (50mm) to 2.99" (76mm) during this time. This balanced weather provides ideal conditions for enjoying the blooming spring beauty of Cainhoy.Summer weather in Cainhoy
The thermometers in Cainhoy witness a surge during the summer months i.e. June to August. The mercury sees variations from 74.8°F (23.8°C) to 77.9°F (25.5°C) at nights and tends to escalate up to 86.7°F (30.4°C) to 87.6°F (30.9°C) in broad daylight. This period also witnesses the peak seasons for rainfall with precipitation levels ranging from 4.61" (117mm) in June to a high of 8.03" (204mm) in August.Autumn weather in Cainhoy
Autumn in Cainhoy unfolds from September to November. The temperatures witness a gradual withdrawal from the summer fervor. The period sees minimum temperatures ranging from 73.6°F (23.1°C) to 54°F (12.2°C) and maximum temperatures fluctuating between 83.3°F (28.5°C) to 65.7°F (18.7°C). Dipping from the highs of August, the rainfall varies from 5.47" (139mm) to 1.97" (50mm) during these months.Winter weather in Cainhoy
The winter months from December to February in Cainhoy are comparatively mild. Minimum temperatures vary from 45.1°F (7.3°C) to 47.8°F (8.8°C) and maximum temperatures see variations from 57.2°F (14°C) to 60.4°F (15.8°C). The rainfall sees variations within 1.38" (35mm) to 2.01" (51mm) throughout these months. Interestingly, this period marks the only possibility of snowfall in the entire year with December recording an average snowfall of 0.5" (13mm).Weather in January
January is usually a month of moderate temperatures in Cainhoy, South Carolina. The afternoon highs hover around 57.2°F (14°C) and can drop to about 45.1°F (7.3°C) in late nights and early mornings. It can be a blustery month with wind speed averaging 9.3mph (15km/h) and gusts reaching up to 14.7mph (23.7km/h). Weather in January »Weather in February
February marks a transition from the winter chill as Cainhoy, South Carolina starts to warm up with daytime highs touching 60.4°F (15.8°C). In comparison to January, February records an increase in rainfall amounting to 2.01" (51mm), creating slightly wetter conditions. Weather in February »Weather in March
Moving into March, Cainhoy, South Carolina, continues to experience a temperature rise, hitting the daytime high of 64.6°F (18.1°C). It also witnesses a higher frequency of rainfall, accounting for 1.97" (50mm). March brings slightly more sunny hours and longer daylight hours than February, which is a welcome change. Weather in March »Weather in April
April characterizes a notable shift towards warmer temperatures with the daytime highs reaching 72.1°F (22.3°C) in Cainhoy, South Carolina. This change aligns with a distinct increase in rainfall, which peaks to 2.99" (76mm), making this month relatively more wet than March. Weather in April »Weather in May
May sets the groundwork for the impending hot summer season in Cainhoy, South Carolina. It sees another dramatic rise in temperatures, as the daytime high goes up to 79°F (26.1°C). May is also noticeably relentless in terms of the rainfall with a high of 3.23" (82mm), making it the wettest month since the year's start. Weather in May »Weather in June
June marks the beginning of the summer season in Cainhoy, South Carolina. It is range-bound between 84.9°F (29.4°C) high temperatures and 74.8°F (23.8°C) on the lower side. A significant surge happens in the amount of rainfall, with June recording the most significant rainfall till now at 4.61" (117mm). Weather in June »Weather in July
July is characterized as one of the hottest months in Cainhoy, South Carolina, with temperatures peaking at 87.6°F (30.9°C). It signifies the culmination of ever-increasing rainfall, reaching a significant 5.51" (140mm). Despite the increase in rainfall, this month maintains the highest amount of daylight and shares the maximum sunshine hours with June. Weather in July »Weather in August
August sees a slight dip in temperatures from the highs of July, but it remains substantially warm in Cainhoy, South Carolina. Rainfall escalates to its yearly peak in this month with a massive 8.03" (204mm). This month shares similar daylight and sunshine hours as July, providing plenty of light despite occasional cloud cover. Weather in August »Weather in September
September is a month of transition in Cainhoy, South Carolina, as it signals the end of summer and the preamble of autumn. Though, September remains quite warm and wet with significant rainfall of 5.47" (139mm). The hours of daylight and sunshine start to decline compared to August, marking the onset of shorter days. Weather in September »Weather in October
October exhibits a distinct change as Cainhoy, South Carolina starts cooling down again with the arrival of autumn. The rainfall also moderates from the August-September highs, and it is a drier month in comparison. The hours of daylight and sunshine continue to decrease, and cloud cover shows a slight decrease on average. Weather in October »Weather in November
November brings the cold winter season closer to Cainhoy, South Carolina. It is noticeably cooler than October with lesser daylight hours. The rainfall also descends and it becomes one of the drier months of the year. The wind continues to maintain its strength from the previous months. Weather in November »Weather in December
December wraps up the year in Cainhoy, South Carolina by welcoming the full swing of winter. It records the lowest temperatures compared to the previous months and sees the first signs of snowfall at 0.5" (13mm). December also experiences reduced daylight hours and sees a decrease in rainfall. Weather in December »Updated: Jul 23, 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
January, having an average high-temperature of 57.2°F (14°C) and an average low-temperature of 45.1°F (7.3°C), is the coldest month.
The months with the lowest humidity are January and March, with an average relative humidity of 73%.
The month with the least rainfall is January, when the rain falls for 9.8 days and typically collects 1.38" (35mm) of precipitation.
Throughout the year, there are 182.9 rainfall days, and 44.69" (1135mm) of precipitation is accumulated.
In Cainhoy, snow does not fall in January, March through November.
In Cainhoy, during the entire year, snow falls for 0.4 days and aggregates up to 0.71" (18mm) of snow.
The month with the lowest UV index is January, with an average maximum UV index of 3.
February and December are months with snowfall.
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.
May through August, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 18min of daylight.
June and July, with an average of 10.9h of sunshine, are months with the most sunshine.
The warmest month in Cainhoy is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 77.9°F (25.5°C).
The month with the most rainfall is August, when the rain falls for 25.8 days and typically aggregates up to 8.03" (204mm) of precipitation.
With an average relative humidity of 78%, December is the most humid month.
December is the month with the most snowfall, with 0.51" (13mm) of accumulated snow.
The month with the shortest days is December, with an average of 10h and 0min of daylight.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Cainhoy, SC
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.2°F).
The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure
Cainhoy, SC
- 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:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Cainhoy, SC
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.6mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity
Cainhoy, SC
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall
Cainhoy, SC
- Average rainfall in January:
1.38" - Average rainfall in February:
2.01" - Average rainfall in March:
1.97" - Average rainfall in April:
2.99" - Average rainfall in May:
3.23" - Average rainfall in June:
4.61"
- Average rainfall in July:
5.51" - Average rainfall in August:
8.03" - Average rainfall in September:
5.47" - Average rainfall in October:
3.27" - Average rainfall in November:
1.97" - Average rainfall in December:
4.25"
The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days
Cainhoy, SC
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
20.8 days
- Average rainfall days in July:
24.6 days - Average rainfall days in August:
25.8 days - Average rainfall days in September:
19.4 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall
Cainhoy, SC
The month with the highest snowfall is December (0.5").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Cainhoy, SC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 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 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Cainhoy, SC
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - 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 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
6h and 42min - Average sunshine in March:
7h and 48min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Cainhoy, SC
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
6.8 days
- Average sunshine days in July:
4.3 days - Average sunshine days in August:
3 days - Average sunshine days in September:
8.1 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.2 days
The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).
Average UV index
Cainhoy, SC
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Cainhoy, SC
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility
Cainhoy, SC
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).
