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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Jamestown, South Carolina, is a moderate winter month, with an average temperature varying between 55.8°F (13.2°C) and 40.8°F (4.9°C). January, with its average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 40.8°F (4.9°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Jamestown, is also a moderate month, with an average temperature fluctuating between 59.9°F (15.5°C) and 43.9°F (6.6°C). As Jamestown transitions from January to February, the average high-temperatures adjust to a still moderate 59.9°F (15.5°C), nearly the same as the previous 55.8°F (13.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Jamestown, South Carolina, with an average temperature fluctuating between 65.5°F (18.6°C) and 49.5°F (9.7°C). As February gives way to March, the average high-temperature displays a slight ascent, adjusting from a mild 59.9°F (15.5°C) to a comfortable 65.5°F (18.6°C). Weather in March »
Weather in April
April in Jamestown, South Carolina, is a moderately hot spring month, with an average temperature fluctuating between 73.9°F (23.3°C) and 57°F (13.9°C). With the onset of April, the average high-temperature subtly transitions from an enjoyable 65.5°F (18.6°C) in March to a moderately hot 73.9°F (23.3°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Jamestown, South Carolina, with an average temperature fluctuating between 80.2°F (26.8°C) and 64.9°F (18.3°C). The start of May brings a subtle rise in the average high-temperature, moving from a warm 73.9°F (23.3°C) in April to a still moderately hot 80.2°F (26.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Jamestown, South Carolina, with an average temperature fluctuating between 86.9°F (30.5°C) and 71.8°F (22.1°C). June's onset brings a subtle temperature rise, moving from a warm 80.2°F (26.8°C) in May to a tropical 86.9°F (30.5°C). Weather in June »
Weather in July
July, the same as June, in Jamestown, South Carolina, is another tropical summer month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 74.8°F (23.8°C). July temperatures tend to peak at an average high of 90.1°F (32.3°C) and dip to a low of 74.8°F (23.8°C). July's heat index is computed to be a blistering 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Jamestown, is another hot month, with an average temperature ranging between min 74.5°F (23.6°C) and max 88.7°F (31.5°C). In the transition from July to August, Jamestown reports an average high-temperature of a still tropical 88.7°F (31.5°C), indicating a close resemblance to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Jamestown, is still a warm month, with an average temperature varying between 84.2°F (29°C) and 69.8°F (21°C). Jamestown's September average high-temperature settles at a moderately hot 84.2°F (29°C), showing a near match with the preceding month. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Jamestown, South Carolina, with an average temperature fluctuating between 75.6°F (24.2°C) and 59.7°F (15.4°C). The beginning of October subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 84.2°F (29°C) in September to a still warm 75.6°F (24.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Jamestown, is another comfortable month, with an average temperature ranging between min 49.1°F (9.5°C) and max 65.3°F (18.5°C). November shows a mild decline in the average high-temperature, falling from October's moderately hot 75.6°F (24.2°C) to a refreshing 65.3°F (18.5°C). Weather in November »
Weather in December
December, the first month of the winter in Jamestown, is still a mild month, with an average temperature varying between 45.5°F (7.5°C) and 59.4°F (15.2°C). December's onset brings a negligible change in high-temperatures, falling from an enjoyable 65.3°F (18.5°C) in November to a moderate 59.4°F (15.2°C). Weather in December »
Updated: Jul 6, 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
What time of the year is the coldest?
The coldest period tends to be January, when average temperatures fluctuate between a high of 55.8°F (13.2°C) and a low of 40.8°F (4.9°C).
What are the least humid months?
January and March, with an average relative humidity of 74%, are the least humid months.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 10.8 days and typically collects 1.46" (37mm) of precipitation.
How many days does it rain?
In Jamestown, during the entire year, the rain falls for 179.5 days and collects up to 40.79" (1036mm) of precipitation.
When does it snow?
January, February and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 1 snowfall days, and 0.31" (8mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.24" (6mm) of snow.
When it does not snow?
March through November are months without snowfall.
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?
June has the longest days of the year, with an average of 14h and 18min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Jamestown are June and July, with an average maximum UV index of 7.
What part of the year is the hottest?
July, on average, is the warmest month, registering a high temperature of 90.1°F (32.3°C) and a low of 74.8°F (23.8°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.1h of sunshine.
What are the most humid months?
The months with the highest humidity in Jamestown are August and December, with an average relative humidity of 78%.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 23.2 days and accumulates 6.46" (164mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days 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 5.7h of sunshine.
Average temperature
Jamestown, SC
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (55.8°F).
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure
Jamestown, 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:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
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
Jamestown, SC
- Average wind speed in January:
6.8mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.4mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Jamestown, SC
The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are January and March (74%).
Average rainfall
Jamestown, SC
- Average rainfall in January:
1.46" - Average rainfall in February:
2.28" - Average rainfall in March:
2.4" - Average rainfall in April:
2.87" - Average rainfall in May:
3.35" - Average rainfall in June:
3.86"
- Average rainfall in July:
4.33" - Average rainfall in August:
6.46" - Average rainfall in September:
4.13" - Average rainfall in October:
2.99" - Average rainfall in November:
1.97" - Average rainfall in December:
4.69"
The wettest month (with the highest rainfall) is August (6.46").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days
Jamestown, SC
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
20.5 days
- Average rainfall days in July:
23.2 days - Average rainfall days in August:
23.2 days - Average rainfall days in September:
17.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.6 days
The months with the highest number of rainy days are July and August (23.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Jamestown, SC
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Jamestown, SC
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 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 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Jamestown, 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 0min - Average daylight in May:
13h and 5min - 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:
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 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Jamestown, SC
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
7.3 days
- Average sunshine days in July:
5.5 days - Average sunshine days in August:
5.7 days - Average sunshine days in September:
10 days - Average sunshine days in October:
19 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (5.5 days).
Average UV index
Jamestown, SC
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Jamestown, SC
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Jamestown, 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).