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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, in Jamestown, Indiana, is a wintry winter month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 20.3°F (-6.5°C). Jamestown's coldest weather arrives in January, when temperatures average a high of 32.2°F (0.1°C) and a low of 20.3°F (-6.5°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Jamestown, Indiana, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 23.5°F (-4.7°C). The initiation of February records an average high-temperature of a still cold 36.7°F (2.6°C), displaying a near consistency with the previous month. Weather in February »
Weather in March
March, the first month of the spring in Jamestown, is a chilly month, with an average temperature varying between 48.7°F (9.3°C) and 34°F (1.1°C). Jamestown experiences a temperature shift with the start of March, with average high-temperatures moving from an icy 36.7°F (2.6°C) in February to a frosty 48.7°F (9.3°C). Weather in March »
Weather in April
April is a moderate spring month in Jamestown, Indiana, with an average temperature varying between 60.4°F (15.8°C) and 44.2°F (6.8°C). Jamestown in April experiences an increase in the average high-temperature, moving from March's frosty 48.7°F (9.3°C) to a moderate 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Jamestown, is an agreeable month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 55°F (12.8°C). The shift into May is marked by a rise in the average high-temperature, moving from April's moderate 60.4°F (15.8°C) to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Jamestown, is a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.8°F (17.1°C). Jamestown's June weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Jamestown, Indiana, is a moderately hot summer month, with an average temperature varying between 81.1°F (27.3°C) and 64.8°F (18.2°C). In Jamestown, the average temperatures in July are the highest, with a peak at 81.1°F (27.3°C) and a low of 64.8°F (18.2°C). The heat index value for July is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Jamestown, Indiana, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.7°F (26.5°C). July's transformation into August witnesses an average high-temperature of a still warm 79.7°F (26.5°C), noting a minor change from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Jamestown, is also a moderately hot month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 74.8°F (23.8°C). Stepping into September, Jamestown records an average high-temperature of a still moderately hot 74.8°F (23.8°C), almost consistent with August. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Jamestown, Indiana, with an average temperature ranging between max 61.9°F (16.6°C) and min 46.4°F (8°C). The arrival of October corresponds with a shift in temperature, down from a moderately hot 74.8°F (23.8°C) in September to a refreshing 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Jamestown, Indiana, with an average temperature varying between 34.9°F (1.6°C) and 48°F (8.9°C). With November's onset, the weather shows a temperature decrease, transitioning from a refreshing 61.9°F (16.6°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Jamestown, is also a wintry month, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 27.1°F (-2.7°C). A decrease in the average high-temperature is observed during December, shifting from a chilly 48°F (8.9°C) in November to a wintry 37.6°F (3.1°C). Weather in December »
Updated: Jun 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 is the coldest time of year?
January, with its average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.3°F (-6.5°C), holds the record as the coldest month.
What is the most humid month?
January, July and December, with an average relative humidity of 83%, are most humid months.
How much does it rain?
Throughout the year, there are 164.1 rainfall days, and 31.61" (803mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 40.6 snowfall days, and 13.46" (342mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What is the driest month?
The months with the least rainfall are February and November Rain falls for 7.8 days and accumulates 1.85" (47mm) of rain.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 9.8 days and accumulates 3.62" (92mm) of snow.
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.
What is the wettest month?
April is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.86" (98mm) of precipitation.
When it does not snow?
In Jamestown, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year in Jamestown, with an average of 15h and 0min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 9.9h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
July, with its average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.8°F (18.2°C), holds the record as the warmest month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 74%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Jamestown, IN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Jamestown, IN
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jamestown, IN
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.7mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Jamestown, IN
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Jamestown, IN
- Average rainfall in January:
2.09" - Average rainfall in February:
1.85" - Average rainfall in March:
2.64" - Average rainfall in April:
3.86" - Average rainfall in May:
3.82" - Average rainfall in June:
3.78"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.52" - Average rainfall in September:
2.17" - Average rainfall in October:
2.13" - Average rainfall in November:
1.85" - Average rainfall in December:
2.09"
The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").
Average rainfall days
Jamestown, IN
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall
Jamestown, IN
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jamestown, IN
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
3.2 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jamestown, IN
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 1min - Average sunshine in September:
8h and 0min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Jamestown, IN
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
12 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
9.4 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
15 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Jamestown, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Jamestown, IN
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Jamestown, IN
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Jamestown, Indiana, USA
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