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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 Chatterton, Indiana, is another subzero cold winter month, with an average temperature ranging between min 19.4°F (-7°C) and max 31.1°F (-0.5°C). Chatterton's January weather reaches an average high of 31.1°F (-0.5°C) and an average low of 19.4°F (-7°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Chatterton, Indiana, with an average temperature fluctuating between 35.8°F (2.1°C) and 23.2°F (-4.9°C). Chatterton marks the arrival of February with an average high-temperature of an icy 35.8°F (2.1°C), hardly different from January's 31.1°F (-0.5°C). Weather in February »
Weather in March
March, the first month of the spring in Chatterton, is a frosty month, with an average temperature varying between 33.4°F (0.8°C) and 48.4°F (9.1°C). The start of March signals an increase in the average high-temperature, moving from a cold 35.8°F (2.1°C) in February to a frosty 48.4°F (9.1°C). Weather in March »
Weather in April
April is a moderate spring month in Chatterton, Indiana, with an average temperature fluctuating between 44.1°F (6.7°C) and 60.1°F (15.6°C). The shift into April brings an increase in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in March to a mild 60.1°F (15.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Chatterton, Indiana, with an average temperature varying between 54.7°F (12.6°C) and 71.6°F (22°C). May indicates a change in the average high-temperature, moving up from a refreshing 60.1°F (15.6°C) in April to a pleasant 71.6°F (22°C). Weather in May »
Weather in June
June, the first month of the summer in Chatterton, is a warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.4°F (16.9°C). Chatterton in June denotes a subtle temperature transition, adjusting from an average high of a pleasant 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Chatterton, Indiana, with an average temperature ranging between max 81°F (27.2°C) and min 64.2°F (17.9°C). The warmest temperatures occur during July, when averages reach a peak of 81°F (27.2°C) and a low of 64.2°F (17.9°C). The heat index value during July is computed to be a tropical 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 Chatterton, Indiana, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 62.4°F (16.9°C). The average high-temperature during August is a still warm 79.9°F (26.6°C), almost matching the conditions of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Chatterton, is also a moderately hot month, with an average temperature fluctuating between 57°F (13.9°C) and 75.4°F (24.1°C). Chatterton's September showcases an average high-temperature of a still moderately hot 75.4°F (24.1°C), hardly distinct from August's 79.9°F (26.6°C). Weather in September »
Weather in October
October, like September, in Chatterton, Indiana, is another enjoyable autumn month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 62.8°F (17.1°C). As October begins, there is a decrease in the average high-temperature, falling from a warm 75.4°F (24.1°C) in September to a refreshing 62.8°F (17.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Chatterton, is also a frosty month, with an average temperature fluctuating between 34.9°F (1.6°C) and 48.2°F (9°C). In Chatterton, the average high-temperature in November drops, from a refreshing 62.8°F (17.1°C) in October, to a frosty 48.2°F (9°C). Weather in November »
Weather in December
December, the first month of the winter in Chatterton, is also an icy month, with an average temperature varying between 27°F (-2.8°C) and 37°F (2.8°C). Onset of December comes with a temperature decline, the average high falling from a frosty 48.2°F (9°C) in November to an icy 37°F (2.8°C). Weather in December »
Updated: Aug 27, 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 are the coldest months?
January is Chatterton's coldest month, registering average high temperatures of 31.1°F (-0.5°C) and lows of 19.4°F (-7°C).
How much does it rain?
In Chatterton, during the entire year, the rain falls for 141.9 days and collects up to 18.07" (459mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 11 days and typically aggregates up to 2.13" (54mm) of snow.
How many days does it snow?
In Chatterton, during the entire year, snow falls for 36.9 days and aggregates up to 7.13" (181mm) of snow.
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 month with the least rainfall is February, when the rain falls for 6.7 days and typically collects 0.79" (20mm) of precipitation.
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?
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.4" (61mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
The months with the most sunshine are June and July, with an average of 9.7h of sunshine.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July is the warmest month, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.2°F (17.9°C).
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days in Chatterton?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
When is the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Chatterton, IN
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure
Chatterton, 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:
29.96"Hg - Average pressure in June:
29.93"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:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"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
Chatterton, IN
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Chatterton, IN
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Chatterton, IN
- Average rainfall in January:
0.94" - Average rainfall in February:
0.79" - Average rainfall in March:
1.57" - Average rainfall in April:
2.17" - Average rainfall in May:
2.4" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.01" - Average rainfall in August:
1.69" - Average rainfall in September:
1.06" - Average rainfall in October:
1.3" - Average rainfall in November:
0.91" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days
Chatterton, IN
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Chatterton, IN
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Chatterton, IN
- Average snowfall days in January:
11 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.2 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:
0.5 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chatterton, 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:
9h and 5min - 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 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Chatterton, IN
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
13 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Chatterton, IN
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Chatterton, IN
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Chatterton, IN
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).