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, in Jamestown, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18.1°F (-7.7°C) and 30.6°F (-0.8°C). With an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Jamestown, is a wintry month, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 34.3°F (1.3°C). In February, the average high-temperature is essentially the same as in January - a cold 34.3°F (1.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Jamestown, Pennsylvania, with an average temperature fluctuating between 27.9°F (-2.3°C) and 44.2°F (6.8°C). In Jamestown, the average high-temperature in March rises from a cold 34.3°F (1.3°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a moderate spring month in Jamestown, Pennsylvania, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 56.8°F (13.8°C). In April, the average high-temperature rises from a chilly 44.2°F (6.8°C) in March to a moderate 56.8°F (13.8°C). Weather in April »
Weather in May
May, the last month of the spring in Jamestown, is an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 48.6°F (9.2°C). In Jamestown, Pennsylvania, the average high-temperature in May rises from a mild 56.8°F (13.8°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Jamestown, is a warm month, with an average temperature fluctuating between 55.4°F (13°C) and 76.5°F (24.7°C). In Jamestown, the average high-temperature in June marginally rises from an agreeable 69.3°F (20.7°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Jamestown, Pennsylvania, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 80.8°F (27.1°C). With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 59.5°F (15.3°C), July is the warmest month. In July, the average heat index is evaluated at a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Jamestown, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 58.3°F (14.6°C). In August, the average high-temperature is almost the same as in July - a still warm 79.3°F (26.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Jamestown, Pennsylvania, with an average temperature varying between 72.7°F (22.6°C) and 53.4°F (11.9°C). In September, the average high-temperature slightly decreases from a warm 79.3°F (26.3°C) in August to an agreeable 72.7°F (22.6°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Jamestown, Pennsylvania, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 43.9°F (6.6°C). In Jamestown, Pennsylvania, the average high-temperature in October drops from a pleasant 72.7°F (22.6°C) in September to a mild 59.7°F (15.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Jamestown, Pennsylvania, with an average temperature varying between 32.7°F (0.4°C) and 46.8°F (8.2°C). In Jamestown, the average high-temperature in November drops from a moderate 59.7°F (15.4°C) in October to a chilly 46.8°F (8.2°C). Weather in November »
Weather in December
December, the first month of the winter in Jamestown, is also a wintry month, with an average temperature varying between 37°F (2.8°C) and 26.4°F (-3.1°C). In December, the average high-temperature decreases from a chilly 46.8°F (8.2°C) in November to a wintry 37°F (2.8°C). Weather in December »
[Resources]FAQ
What is the coldest month in Jamestown?
The coldest month in Jamestown is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.1°F (-7.7°C).
How much does it rain in Jamestown?
Throughout the year, in Jamestown, Pennsylvania, there are 167.1 rainfall days, and 24.25" (616mm) of precipitation is accumulated.
When does it snow in Jamestown?
January through May, October through December are months with snowfall in Jamestown.
What is the snowiest month in Jamestown?
January is the month with the most snowfall. Snow falls for 19.9 days and accumulates 6.38" (162mm) of snow.
How much does it snow in Jamestown?
Throughout the year, there are 79.6 snowfall days, and 25" (635mm) of snow is accumulated.
What is the month with the least sunshine in Jamestown?
With an average of 2.4h of sunshine, January has the least sunshine of the year.
What is the most humid month in Jamestown?
The most humid month is February, with an average relative humidity of 89%.
When is Daylight Saving Time (DST) in Jamestown?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Jamestown?
May through July, with an average relative humidity of 79%, are the least humid months in Jamestown.
When it does not snow in Jamestown?
June through September are months without snowfall.
When are the longest days in Jamestown?
June has the longest days of the year in Jamestown, Pennsylvania, with an average of 15h and 8min of daylight.
What is the warmest month in Jamestown?
With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 59.5°F (15.3°C), July is the warmest month in Jamestown, Pennsylvania.
What is the month with the most sunshine in Jamestown?
The months with the most sunshine in Jamestown, Pennsylvania, are July and August, with an average of 9.9h of sunshine.
When is the highest UV index in Jamestown?
With an average maximum UV index of 6, July is the month with the highest UV index in Jamestown, Pennsylvania.
What is the driest month in Jamestown?
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.57" (40mm) of precipitation.
What is the rainiest month in Jamestown?
October is the month with the most rainfall. Rain falls for 16.7 days and accumulates 2.52" (64mm) of precipitation.
What is the month with the shortest days in Jamestown?
December has the shortest days of the year in Jamestown, with an average of 9h and 14min of daylight.
What is the month with the lowest UV index in Jamestown?
December is the month with the lowest UV index in Jamestown, with an average maximum UV index of 1.
Average temperature
Jamestown, PA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Jamestown, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Jamestown, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity
Jamestown, PA
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall
Jamestown, PA
- Average rainfall in January:
1.89" - Average rainfall in February:
1.69" - Average rainfall in March:
1.97" - Average rainfall in April:
2.36" - Average rainfall in May:
2.28" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.2" - Average rainfall in August:
1.81" - Average rainfall in September:
1.57" - Average rainfall in October:
2.52" - Average rainfall in November:
1.61" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Jamestown, PA
- Average rainfall days in January:
8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
16.7 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8 days).
Average snowfall
Jamestown, PA
- Average snowfall in January:
6.38" - Average snowfall in February:
5.79" - Average snowfall in March:
2.83" - Average snowfall in April:
1.06" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jamestown, PA
- Average snowfall days in January:
19.9 days - Average snowfall days in February:
17.5 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
4.4 days - Average snowfall days in May:
0.5 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:
0.7 days - Average snowfall days in November:
9.3 days - Average snowfall days in December:
16.5 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jamestown, PA
- Average daylight in January:
9h and 35min - Average daylight in February:
10h and 38min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 22min - Average daylight in May:
14h and 32min - Average daylight in June:
15h and 8min
- Average daylight in July:
14h and 50min - Average daylight in August:
13h and 47min - Average daylight in September:
12h and 28min - Average daylight in October:
11h and 5min - Average daylight in November:
9h and 52min - Average daylight in December:
9h and 14min
The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
2h and 42min - Average sunshine in March:
5h and 6min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 6min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 18min - Average sunshine in December:
2h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days
Jamestown, PA
- Average sunshine days in January:
7.2 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
10.1 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index
Jamestown, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Jamestown, PA
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Jamestown, PA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
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