Climate and monthly weather forecast
Islandton, SC

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Weather in January

January, like December, is another mild winter month in Islandton, South Carolina, with an average temperature ranging between max 55.9°F (13.3°C) and min 39.9°F (4.4°C). Temperature readings reach their annual highs in January, averaging 55.9°F (13.3°C) and a minimum average of 39.9°F (4.4°C). Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Islandton, South Carolina, with an average temperature varying between 60.8°F (16°C) and 43.2°F (6.2°C). Shifting into February, Islandton records an average high-temperature of a comfortable 60.8°F (16°C), presenting minor fluctuations compared to the previous month. Weather in February »

Weather in March

March, the first month of the spring in Islandton, is also an enjoyable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.7°F (9.3°C). In March, the average high-temperature marginally rises from an enjoyable 60.8°F (16°C) in February to a still comfortable 66.7°F (19.3°C). Weather in March »

Weather in April

April in Islandton, South Carolina, is a moderately hot spring month, with an average temperature fluctuating between 56.5°F (13.6°C) and 75.6°F (24.2°C). The onset of April marks a slight increase in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) in March to a moderately hot 75.6°F (24.2°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Islandton, South Carolina, with an average temperature ranging between max 82.2°F (27.9°C) and min 64°F (17.8°C). Islandton experiences a minor temperature shift with the start of May, with average high-temperatures moving from 75.6°F (24.2°C) in April to a still warm 82.2°F (27.9°C). Weather in May »

Weather in June

June, the first month of the summer in Islandton, is a tropical month, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 88.7°F (31.5°C). Islandton's weather in June presents a minor rise in the average high-temperature, moving from a warm 82.2°F (27.9°C) in May to a hot 88.7°F (31.5°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Islandton, South Carolina, with an average temperature varying between 91°F (32.8°C) and 73.2°F (22.9°C). July is the warmest month, with an average high-temperature of 91°F (32.8°C) and an average low-temperature of 73.2°F (22.9°C). The heat index value during July is evaluated at a life-threatening hot 113°F (45°C). Weather in July »

Weather in August

August, the last month of the summer in Islandton, is also a hot month, with an average temperature ranging between max 90.1°F (32.3°C) and min 73°F (22.8°C). The arrival of August brings an average high-temperature of a still hot 90.1°F (32.3°C), subtly diverging from July's 91°F (32.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Islandton, South Carolina, with an average temperature fluctuating between 68.4°F (20.2°C) and 85.5°F (29.7°C). September brings a marginal elevation to a warm 85.5°F (29.7°C) from August's 90.1°F (32.3°C) in Islandton's average high-temperatures. Weather in September »

Weather in October

October, like September, in Islandton, South Carolina, is another warm autumn month, with an average temperature varying between 58.1°F (14.5°C) and 75.9°F (24.4°C). Onset of October comes with a temperature decline, the average high falling from a moderately hot 85.5°F (29.7°C) in September to a still warm 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Islandton, South Carolina, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.3°F (18.5°C). Arrival of November comes with a reduction in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in October to a comfortable 65.3°F (18.5°C). Weather in November »

Weather in December

December, the first month of the winter in Islandton, is still a mild month, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 44.2°F (6.8°C). As November transitions into December, Islandton sees a gentle drop in the average high-temperature, transitioning from a comfortable 65.3°F (18.5°C) to a mild 59.4°F (15.2°C). Weather in December »
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, recording an average high temperature of 55.9°F (13.3°C) and a low temperature of 39.9°F (4.4°C), is Islandton's coldest month.

What is the least humid month?

January and November, with an average relative humidity of 71%, are the least humid months.

How much does it rain?

Throughout the year, there are 138.1 rainfall days, and 18.98" (482mm) of precipitation is accumulated.

When it does not snow?

January, March through December are months without snowfall.

How many days does it snow?

In Islandton, during the entire year, snow falls for 0.5 days and aggregates up to 0.04" (1mm) of snow.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

When does it snow?

The only month with snowfall is February.

What is the snowiest month in Islandton?

The month with the most snowfall is February, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

When is Daylight Saving Time (DST)?

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.

When are the longest days?

With an average of 14h and 18min of daylight, June has the longest days of the year.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What part of the year is the hottest?

Temperature readings in Islandton reach their annual highs in July, averaging 91°F (32.8°C) and a minimum average of 73.2°F (22.9°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

What is the most humid month?

The months with the highest humidity in Islandton are August, September and December, with an average relative humidity of 76%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 17.9 days and accumulates 2.13" (54mm) of precipitation.

What is the driest month in Islandton?

November is the month with the least rainfall. Rain falls for 6.4 days and accumulates 0.71" (18mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days in Islandton is December, with an average of 10h and 0min of daylight.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

Average temperature
Islandton, SC

Average temperature - Islandton, SC

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.9°F).

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

Average pressure
Islandton, SC

Average pressure - Islandton, SC

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed
Islandton, SC

Average wind speed - Islandton, SC

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity
Islandton, SC

Average humidity - Islandton, SC

The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).

Average rainfall
Islandton, SC

Average rainfall - Islandton, SC

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days
Islandton, SC

Average rainfall days - Islandton, SC

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (6.4 days).

Average snowfall
Islandton, SC

Average snowfall - Islandton, SC

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Islandton, SC

Average snowfall days - Islandton, SC

The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Islandton, SC

Average daylight / Average sunshine - Islandton, SC

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).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days
Islandton, SC

Average sunshine days - Islandton, SC

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (10.3 days).

Average UV index
Islandton, SC

Average UV index - Islandton, SC

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
Islandton, SC

Average cloud cover - Islandton, SC

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).

Average visibility
Islandton, SC

Average visibility - Islandton, 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).

Islandton, South Carolina, USA

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