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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, like December, is another chilly winter month in Jamestown, Virginia, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 31.5°F (-0.3°C). Temperature records mark January as the coldest month, with highs averaging 45.1°F (7.3°C) and lows at 31.5°F (-0.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Jamestown, Virginia, with temperature in the range of an average low of 33.8°F (1°C) and an average high of 49.5°F (9.7°C). Jamestown's average high-temperature in February sits at a still chilly 49.5°F (9.7°C), showing little difference from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a mild month in Jamestown, Virginia, with an average temperature fluctuating between 55.6°F (13.1°C) and 40.5°F (4.7°C). Jamestown's transition into March brings a slight rise in the average high-temperature, moving from a frosty 49.5°F (9.7°C) in February to a moderate 55.6°F (13.1°C). Weather in March »
Weather in April
April in Jamestown, Virginia, is an enjoyable spring month, with an average temperature ranging between min 50.4°F (10.2°C) and max 66.7°F (19.3°C). The arrival of April sees a shift in the average high-temperature, moving from a moderate 55.6°F (13.1°C) in March to a comfortable 66.7°F (19.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Jamestown, Virginia, with an average temperature fluctuating between 76.1°F (24.5°C) and 59.2°F (15.1°C). As April transitions into May, Jamestown sees a rise in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) to a warm 76.1°F (24.5°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Jamestown, Virginia, with an average temperature fluctuating between 66.6°F (19.2°C) and 83.8°F (28.8°C). With the onset of June, Jamestown's average high-temperature sees a modest rise, moving from May's warm 76.1°F (24.5°C) to a still moderately hot 83.8°F (28.8°C). Weather in June »
Weather in July
July is a hot summer month in Jamestown, Virginia, with an average temperature ranging between max 88.3°F (31.3°C) and min 71.1°F (21.7°C). July is the warmest month, exhibiting average temperatures of 88.3°F (31.3°C) at the peak and 71.1°F (21.7°C) at the base. During July, the heat index is computed to be a torrid 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Jamestown, is also a hot month, with an average temperature ranging between max 86.5°F (30.3°C) and min 69.8°F (21°C). The arrival of August coincides with an average high-temperature of a still tropical 86.5°F (30.3°C), indicating a minimal shift from July's 88.3°F (31.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Jamestown, is also a moderately hot month, with an average temperature varying between 65.1°F (18.4°C) and 79.9°F (26.6°C). The transition into September subtly indicates a reduction in the average high-temperature, down to a moderately hot 79.9°F (26.6°C) from August's tropical 86.5°F (30.3°C). Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Jamestown, Virginia, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 69.8°F (21°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a moderately hot 79.9°F (26.6°C) in September to an agreeable 69.8°F (21°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Jamestown, Virginia, with an average temperature ranging between min 43.3°F (6.3°C) and max 57.6°F (14.2°C). Observing a mild shift, the average high-temperature during November reduces from October's pleasant 69.8°F (21°C) to a mild 57.6°F (14.2°C). Weather in November »
Weather in December
December, the first month of the winter in Jamestown, is still a cool month, with an average temperature varying between 50.5°F (10.3°C) and 37.6°F (3.1°C). With December's onset, the weather reveals a slight temperature decrease, transitioning from a moderate 57.6°F (14.2°C) in November to a fresh 50.5°F (10.3°C). Weather in December »
Updated: Aug 8, 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 part of the year is the coldest?
Jamestown's coldest month, January, generally records average temperatures ranging from a high of 45.1°F (7.3°C) to a low of 31.5°F (-0.3°C).
How many days does it rain?
Throughout the year, there are 148.7 rainfall days, and 20.35" (517mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
How much does it snow?
Throughout the year, there are 8.3 snowfall days, and 2.52" (64mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 2.6 days and accumulates 0.87" (22mm) of snow.
What is the month with the least sunshine?
With an average of 5.3h of sunshine, February has the least sunshine of the year in Jamestown.
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 it does not snow?
In Jamestown, snow does not fall in April through October.
When are the longest days?
June has the longest days of the year, with an average of 14h and 42min of daylight.
When is the highest UV index?
The month with the highest UV index is June, with an average maximum UV index of 7.
What month is the hottest in Jamestown?
Jamestown experiences its highest temperatures in July, with an average peak of 88.3°F (31.3°C) and a low of 71.1°F (21.7°C).
What is the least humid month?
With an average relative humidity of 73%, July is the least humid month.
What month has the most sunshine?
July has the most sunshine of the year in Jamestown, with an average of 10.8h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.36" (60mm) of precipitation.
What is the driest month?
October and December are months with the least rain when the rain falls for 9 days and typically aggregates up to 1.38" (35mm) of rain.
What is the most humid month?
The most humid month is December, with an average relative humidity of 78%.
What is the month with the shortest days in Jamestown?
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Average temperature
Jamestown, VA
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Jamestown, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Jamestown, VA
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.8mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.3mph - Average wind speed in December:
6.9mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Jamestown, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Jamestown, VA
- Average rainfall in January:
1.5" - Average rainfall in February:
1.73" - Average rainfall in March:
1.46" - Average rainfall in April:
1.65" - Average rainfall in May:
1.85" - Average rainfall in June:
1.85"
- Average rainfall in July:
2.01" - Average rainfall in August:
2.36" - Average rainfall in September:
1.57" - Average rainfall in October:
1.38" - Average rainfall in November:
1.61" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").
Average rainfall days
Jamestown, VA
- Average rainfall days in January:
9 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
9 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Jamestown, VA
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Jamestown, VA
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.6 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Jamestown, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 3min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Jamestown, VA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.2 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).
Average UV index
Jamestown, VA
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Jamestown, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Jamestown, VA
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).
Jamestown, Virginia, USA
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