Climate and monthly weather forecastLyman, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lyman, South Carolina, is another chilly winter month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 48.9°F (9.4°C). Lyman's temperature records reveal January as the coldest month, marked by average highs of 48.9°F (9.4°C) and lows of 32.9°F (0.5°C). Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Lyman, South Carolina, with an average temperature ranging between max 54.1°F (12.3°C) and min 36.7°F (2.6°C). As January transitions into February, the average high-temperature rests at a cool 54.1°F (12.3°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is an enjoyable month in Lyman, South Carolina, with an average temperature ranging between max 61.3°F (16.3°C) and min 42.6°F (5.9°C). In Lyman, the average high-temperature in March slightly rises, from a cool 54.1°F (12.3°C) in February, to a comfortable 61.3°F (16.3°C). Weather in March »Weather in April
April is a pleasant spring month in Lyman, South Carolina, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 51.1°F (10.6°C). The onset of April brings a temperature shift, with the average high-temperature moving from a comfortable 61.3°F (16.3°C) in March to an agreeable 71.4°F (21.9°C). Weather in April »Weather in May
May, the last month of the spring in Lyman, is a moderately hot month, with an average temperature varying between 79.5°F (26.4°C) and 58.8°F (14.9°C). May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 71.4°F (21.9°C) to a warm 79.5°F (26.4°C). Weather in May »Weather in June
June, the first month of the summer in Lyman, is a tropical month, with an average temperature varying between 88.3°F (31.3°C) and 65.8°F (18.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 79.5°F (26.4°C) in May to a tropical 88.3°F (31.3°C). Weather in June »Weather in July
July, like June, is another hot summer month in Lyman, South Carolina, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 69.1°F (20.6°C). Temperature readings reach their annual highs in July, averaging 91°F (32.8°C) and a minimum average of 69.1°F (20.6°C). July's average heat index is estimated at a blisteringly hot 107.6°F (42°C). Weather in July »Weather in August
August, the last month of the summer in Lyman, is also a hot month, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 89.2°F (31.8°C). The commencement of August notes an average high-temperature of a still hot 89.2°F (31.8°C), exhibiting little difference from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Lyman, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 62.8°F (17.1°C). As September commences, the average high-temperature subtly reduces, transitioning from a tropical 89.2°F (31.8°C) in August to a warm 83.7°F (28.7°C). Weather in September »Weather in October
October, the same as September, in Lyman, South Carolina, is an agreeable autumn month, with an average temperature varying between 72.1°F (22.3°C) and 52°F (11.1°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 83.7°F (28.7°C) in September to an agreeable 72.1°F (22.3°C). Weather in October »Weather in November
November, the last month of the autumn in Lyman, is also a moderate month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 41.9°F (5.5°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a pleasant 72.1°F (22.3°C) in October to a refreshing 59.9°F (15.5°C). Weather in November »Weather in December
December, the first month of the winter in Lyman, is still a cool month, with an average temperature ranging between min 38.3°F (3.5°C) and max 52.5°F (11.4°C). The shift from November to December coincides with a small decrease in the average high-temperature, down to a fresh 52.5°F (11.4°C) from a refreshing 59.9°F (15.5°C). Weather in December »Updated: Jul 27, 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
The coldest month is January, with an average high-temperature of 48.9°F (9.4°C) and an average low-temperature of 32.9°F (0.5°C).
Throughout the year, there are 141 rainfall days, and 28.5" (724mm) of precipitation is accumulated.
Months with snowfall in Lyman are January through March, November and December.
In Lyman, during the entire year, snow falls for 3.9 days and aggregates up to 4.69" (119mm) of snow.
The months with the lowest UV index are January and December, 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.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 30min of daylight.
The month of July sees the average highest temperatures, reaching 91°F (32.8°C) at the peak and 69.1°F (20.6°C) at the low.
July is the least humid month, with an average relative humidity of 67%.
The month with the most sunshine is July, with an average of 10.9h of sunshine.
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.38" (35mm) of precipitation.
The most humid month is December, with an average relative humidity of 76%.
The month with the most rainfall is December, when the rain falls for 10 days and typically aggregates up to 3.35" (85mm) of precipitation.
December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 2.2" (56mm) of snow.
December has the shortest days of the year, with an average of 9h and 54min of daylight.
With an average of 5.3h of sunshine, December has the least sunshine of the year.
Average temperature
Lyman, SC
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure
Lyman, 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:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"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:
30.15"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 (29.99"Hg).
Average wind speed
Lyman, SC
- Average wind speed in January:
6.4mph - Average wind speed in February:
6.7mph - Average wind speed in March:
6.6mph - Average wind speed in April:
7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.3mph - Average wind speed in September:
5mph - Average wind speed in October:
5.8mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Lyman, SC
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (67%).
Average rainfall
Lyman, SC
- Average rainfall in January:
2.56" - Average rainfall in February:
2.36" - Average rainfall in March:
2.2" - Average rainfall in April:
2.64" - Average rainfall in May:
2.68" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.68" - Average rainfall in September:
1.38" - Average rainfall in October:
1.93" - Average rainfall in November:
2.44" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days
Lyman, SC
- Average rainfall days in January:
9.2 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
15 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall
Lyman, SC
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Lyman, SC
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
1.6 days - Average snowfall days in March:
0.4 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:
0.5 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Lyman, SC
- 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 12min - Average daylight in August:
13h and 24min - 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 54min
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 54min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 42min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 18min
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
Lyman, SC
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.6 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
22.3 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (13.3 days).
Average UV index
Lyman, SC
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
Lyman, SC
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility
Lyman, 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).
