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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another fresh winter month in Iris, South Carolina, with an average temperature ranging between max 51.6°F (10.9°C) and min 35.2°F (1.8°C). January brings the lowest temperatures, with an average high of 51.6°F (10.9°C) and an average low of 35.2°F (1.8°C). Weather in January »
Weather in February
February, the last month of the winter in Iris, is a moderate month, with an average temperature ranging between max 55.9°F (13.3°C) and min 39°F (3.9°C). At the start of February, Iris's average high-temperature reaches a mild 55.9°F (13.3°C), subtly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Iris, South Carolina, with an average temperature fluctuating between 63.1°F (17.3°C) and 44.6°F (7°C). March witnesses a subtle temperature ascent, adjusting from a refreshing 55.9°F (13.3°C) in February to an enjoyable 63.1°F (17.3°C). Weather in March »
Weather in April
April is an agreeable spring month in Iris, South Carolina, with an average temperature fluctuating between 73.2°F (22.9°C) and 53.1°F (11.7°C). April signals a shift in the average high-temperature, moving from March's comfortable 63.1°F (17.3°C) to a pleasant 73.2°F (22.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Iris, South Carolina, with an average temperature ranging between max 81.1°F (27.3°C) and min 60.4°F (15.8°C). Iris, South Carolina, observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's agreeable 73.2°F (22.9°C) to a moderately hot 81.1°F (27.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Iris, South Carolina, with an average temperature fluctuating between 88.7°F (31.5°C) and 67.6°F (19.8°C). With the start of June, the average high-temperature marginally shifts from May's moderately hot 81.1°F (27.3°C) to a tropical 88.7°F (31.5°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Iris, South Carolina, with an average temperature varying between 91.9°F (33.3°C) and 70.7°F (21.5°C). The warmest time of the year is July, with temperatures averaging a high of 91.9°F (33.3°C) and a low of 70.7°F (21.5°C). July's mean heat index is evaluated at a scorching 111.2°F (44°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Iris, South Carolina, with an average temperature ranging between max 90.1°F (32.3°C) and min 69.8°F (21°C). Shifting into August, Iris records an average high-temperature of a still hot 90.1°F (32.3°C), presenting minor fluctuations compared to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Iris, South Carolina, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 64.9°F (18.3°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's tropical 90.1°F (32.3°C) to a warm 84.6°F (29.2°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Iris, South Carolina, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 73.2°F (22.9°C). Transition into October marks a drop in the average high-temperature, moving from a warm 84.6°F (29.2°C) in September to a pleasant 73.2°F (22.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Iris, South Carolina, with an average temperature fluctuating between 43.7°F (6.5°C) and 61.7°F (16.5°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a pleasant 73.2°F (22.9°C) in October to a refreshing 61.7°F (16.5°C). Weather in November »
Weather in December
December, the first month of the winter in Iris, is also a fresh month, with an average temperature fluctuating between 54.5°F (12.5°C) and 39.7°F (4.3°C). A moderate decline in average high-temperatures is noted in December, moving from a comfortable 61.7°F (16.5°C) in November to a cool 54.5°F (12.5°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Iris?
Iris, South Carolina, experiences its average lowest temperatures in January, reaching a peak of 51.6°F (10.9°C) and a minimum of 35.2°F (1.8°C).
How many days does it rain in Iris?
In Iris, South Carolina, during the entire year, the rain falls for 160.1 days and collects up to 33.94" (862mm) of precipitation.
When does it snow in Iris?
Months with snowfall in Iris are January through March and December.
How many days does it snow in Iris?
In Iris, during the entire year, snow falls for 2 days and aggregates up to 1.81" (46mm) of snow.
What is the month with the lowest UV index in Iris?
January is the month with the lowest UV index, with an average maximum UV index of 2.
When does it snow the most in Iris?
The month with the most snowfall is February, when snow falls for 0.7 days and typically aggregates up to 0.94" (24mm) of snow.
When is Daylight Saving Time (DST) in Iris?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Iris, 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 it does not snow in Iris?
In Iris, snow does not fall in April through November.
When are the longest days in Iris?
June has the longest days of the year, with an average of 14h and 24min of daylight.
When is the highest UV index in Iris?
June and August, with an average maximum UV index of 7, are months with the highest UV index.
What is the warmest month in Iris?
July, noted for its average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 70.7°F (21.5°C), is considered the warmest month in Iris.
What is the least humid month in Iris?
The least humid month is July, with an average relative humidity of 70%.
What month has the most sunshine in Iris?
July has the most sunshine of the year in Iris, with an average of 10.9h of sunshine.
What is the driest month in Iris?
The month with the least rainfall in Iris is September, when the rain falls for 11.8 days and typically collects 1.61" (41mm) of precipitation.
What is the most humid month in Iris?
The most humid month is December, with an average relative humidity of 77%.
What is the wettest month in Iris?
The month with the most rainfall in Iris, South Carolina, is December, when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.
What is the month with the shortest days in Iris?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Iris, South Carolina.
What is the month with the least sunshine in Iris?
December has the least sunshine of the year in Iris, with an average of 5.3h of sunshine.
Average temperature
Iris, SC
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.6°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure
Iris, 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:
30.02"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"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 (29.98"Hg).
Average wind speed
Iris, SC
- Average wind speed in January:
7.2mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.2mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Iris, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Iris, SC
- Average rainfall in January:
2.87" - Average rainfall in February:
2.91" - Average rainfall in March:
2.68" - Average rainfall in April:
3.03" - Average rainfall in May:
3.23" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.91" - Average rainfall in August:
3.54" - Average rainfall in September:
1.61" - Average rainfall in October:
2.24" - Average rainfall in November:
2.64" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Iris, SC
- Average rainfall days in January:
12.5 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
17 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.1 days).
Average snowfall
Iris, SC
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Iris, SC
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.7 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 month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Iris, SC
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 2min
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 18min).
Average sunshine days
Iris, SC
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
17 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
19 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index
Iris, SC
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Iris, SC
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility
Iris, SC
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Iris, South Carolina, USA
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