Climate and monthly weather forecastCharlestown, IN
Climate and monthly weather forecast
Weather in January
January, like December, in Charlestown, Indiana, is another cold winter month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 38.5°F (3.6°C). In Charlestown, Indiana, the lowest average temperatures are observed in January, with a high of 38.5°F (3.6°C) and a low of 25.2°F (-3.8°C). Weather in January »Weather in February
February, the last month of the winter in Charlestown, is a frosty month, with an average temperature ranging between max 43.3°F (6.3°C) and min 28.6°F (-1.9°C). The ushering in of February brings an average high-temperature of a frosty 43.3°F (6.3°C), closely mirroring the 38.5°F (3.6°C) of January. Weather in February »Weather in March
March, the first month of the spring in Charlestown, is a fresh month, with an average temperature fluctuating between 53.6°F (12°C) and 37.4°F (3°C). An escalation in the average high-temperature is seen with the onset of March, moving from a chilly 43.3°F (6.3°C) in February to a cool 53.6°F (12°C). Weather in March »Weather in April
April in Charlestown, Indiana, is a refreshing spring month, with an average temperature fluctuating between 65.5°F (18.6°C) and 46.9°F (8.3°C). April's arrival coincides with a temperature rise, moving from March's fresh 53.6°F (12°C) to an enjoyable 65.5°F (18.6°C). Weather in April »Weather in May
May, the last month of the spring in Charlestown, is a moderately hot month, with an average temperature varying between 56.5°F (13.6°C) and 75.4°F (24.1°C). With the arrival of May, the average high-temperature transitions from an enjoyable 65.5°F (18.6°C) in April to a warm 75.4°F (24.1°C). Weather in May »Weather in June
June, the first month of the summer in Charlestown, is also a moderately hot month, with an average temperature fluctuating between 83.7°F (28.7°C) and 64°F (17.8°C). The coming of June brings a minor shift in Charlestown's weather, with average high-temperatures adjusting from May's 75.4°F (24.1°C) to a still warm 83.7°F (28.7°C). Weather in June »Weather in July
July is a tropical summer month in Charlestown, Indiana, with an average temperature varying between 86.5°F (30.3°C) and 66.9°F (19.4°C). July is the month when Charlestown experiences its warmest temperatures, averaging a high of 86.5°F (30.3°C) and a low of 66.9°F (19.4°C). In July, the average heat index is calculated to be a very hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Charlestown, Indiana, with an average temperature varying between 65.3°F (18.5°C) and 85.6°F (29.8°C). Transitioning into August, Charlestown experiences an average high-temperature of a warm 85.6°F (29.8°C), marking a minor shift from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Charlestown, Indiana, with an average temperature fluctuating between 59.7°F (15.4°C) and 79.2°F (26.2°C). September ushers in a minor alteration in Charlestown's climate, with the average high-temperature moving from August's 85.6°F (29.8°C) to a still warm 79.2°F (26.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Charlestown, Indiana, with an average temperature varying between 66.2°F (19°C) and 48.2°F (9°C). Charlestown's October weather shows a moderate shift in high-temperatures, falling from September's warm 79.2°F (26.2°C) to a refreshing 66.2°F (19°C). Weather in October »Weather in November
November, the last month of the autumn in Charlestown, is also a fresh month, with an average temperature fluctuating between 52.7°F (11.5°C) and 37.4°F (3°C). During the transition into November, Charlestown observes a decrease in the average high-temperature, falling from an enjoyable 66.2°F (19°C) in October to a fresh 52.7°F (11.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Charlestown, Indiana, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 43.9°F (6.6°C). A subtle shift in Charlestown's weather is observed as November turns into December, with the average high temperature reducing from a fresh 52.7°F (11.5°C) to a frosty 43.9°F (6.6°C). Weather in December »Updated: Feb 12, 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
In Charlestown, January is known for its average lowest temperatures, reaching a high of 38.5°F (3.6°C) and a low of 25.2°F (-3.8°C).
Throughout the year, in Charlestown, Indiana, there are 159.1 rainfall days, and 27.13" (689mm) of precipitation is accumulated.
Months with snowfall in Charlestown, Indiana, are January through April, November and December.
In Charlestown, Indiana, during the entire year, snow falls for 28.2 days and aggregates up to 6.85" (174mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The months with the highest humidity in Charlestown are February and December, with an average relative humidity of 80%.
The month with the most snowfall in Charlestown, Indiana, is February, when snow falls for 7.6 days and typically aggregates up to 1.77" (45mm) of snow.
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 is the month with the most rainfall in Charlestown, Indiana. Rain falls for 15 days and accumulates 2.99" (76mm) of precipitation.
In Charlestown, snow does not fall in May through October.
June has the longest days of the year, with an average of 14h and 48min of daylight.
The months with the most sunshine in Charlestown, Indiana, are June and July, with an average of 10.3h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Charlestown, Indiana.
Charlestown's warmest month, July, registers temperatures that range from a high of 86.5°F (30.3°C) to a low of 66.9°F (19.4°C).
The months with the lowest humidity are August through October, with an average relative humidity of 74%.
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.54" (39mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
The month with the least sunshine in Charlestown is December, with an average of 4.3h of sunshine.
Average temperature
Charlestown, IN
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Charlestown, IN
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Charlestown, IN
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Charlestown, IN
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall
Charlestown, IN
- Average rainfall in January:
1.69" - Average rainfall in February:
2.6" - Average rainfall in March:
2.2" - Average rainfall in April:
2.99" - Average rainfall in May:
2.76" - Average rainfall in June:
2.2"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.09" - Average rainfall in September:
1.54" - Average rainfall in October:
2.05" - Average rainfall in November:
2.2" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Charlestown, IN
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
11 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall
Charlestown, IN
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Charlestown, IN
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.7 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:
0.2 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Charlestown, IN
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days
Charlestown, IN
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Charlestown, IN
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Charlestown, IN
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Charlestown, IN
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
