Climate and monthly weather forecastKoleen, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Koleen, Indiana, with an average temperature fluctuating between 36.1°F (2.3°C) and 23°F (-5°C). Temperature records mark January as the coldest month, with highs averaging 36.1°F (2.3°C) and lows at 23°F (-5°C). Weather in January »Weather in February
February, the last month of the winter in Koleen, is also an icy month, with an average temperature fluctuating between 41.2°F (5.1°C) and 26.8°F (-2.9°C). February's advent denotes a minor fluctuation in the average high-temperature to a still wintry 41.2°F (5.1°C) from January's 36.1°F (2.3°C). Weather in February »Weather in March
March, the first month of the spring in Koleen, is a cool month, with an average temperature varying between 36.5°F (2.5°C) and 52.3°F (11.3°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from an icy 41.2°F (5.1°C) to a cool 52.3°F (11.3°C). Weather in March »Weather in April
April is a comfortable spring month in Koleen, Indiana, with an average temperature varying between 46.4°F (8°C) and 63.9°F (17.7°C). The start of April brings a rise in the average high-temperature, moving from a cool 52.3°F (11.3°C) in March to a comfortable 63.9°F (17.7°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Koleen, Indiana, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 55.8°F (13.2°C). Koleen's weather in May presents a rise in the average high-temperature, moving from a refreshing 63.9°F (17.7°C) in April to a warm 73.4°F (23°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Koleen, Indiana, with an average temperature varying between 63.7°F (17.6°C) and 81.7°F (27.6°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from a moderately hot 73.4°F (23°C) in May to a still warm 81.7°F (27.6°C). Weather in June »Weather in July
July, like June, in Koleen, Indiana, is a moderately hot summer month, with an average temperature fluctuating between 66°F (18.9°C) and 84.4°F (29.1°C). July, characterized by an average high temperature of 84.4°F (29.1°C) and a low temperature of 66°F (18.9°C), is generally the warmest month. The heat index value during July is evaluated at a very hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Koleen, Indiana, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 83.1°F (28.4°C). The onset of August notes an average high-temperature of a still moderately hot 83.1°F (28.4°C), subtly shifted from July's 84.4°F (29.1°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Koleen, Indiana, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 77.7°F (25.4°C). September heralds a minor drop in average high-temperature, sliding from August's moderately hot 83.1°F (28.4°C) to a still warm 77.7°F (25.4°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Koleen, Indiana, with an average temperature ranging between max 64.8°F (18.2°C) and min 47.5°F (8.6°C). Koleen observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 77.7°F (25.4°C) to an enjoyable 64.8°F (18.2°C). Weather in October »Weather in November
November, the last month of the autumn in Koleen, is another cool month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 51.1°F (10.6°C). November comes with a drop in the average high-temperature, falling from October's comfortable 64.8°F (18.2°C) to a fresh 51.1°F (10.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Koleen, Indiana, with an average temperature varying between 29.8°F (-1.2°C) and 41°F (5°C). The move into December indicates a reduction in the average high-temperature, down from November's fresh 51.1°F (10.6°C) to an icy 41°F (5°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
Koleen's coldest month, January, generally records average temperatures ranging from a high of 36.1°F (2.3°C) to a low of 23°F (-5°C).
In Koleen, Indiana, during the entire year, the rain falls for 154.9 days and collects up to 27.24" (692mm) of precipitation.
January through April, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 8.8 days and accumulates 2.17" (55mm) of snow.
Throughout the year, there are 28.6 snowfall days, and 7.32" (186mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Koleen, Indiana, 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.
The month with the most rainfall in Koleen is April, when the rain falls for 16.2 days and typically aggregates up to 3.39" (86mm) of precipitation.
With an average relative humidity of 82%, May is the most humid month.
In Koleen, Indiana, snow does not fall in May through September.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 14h and 54min of daylight, June has the longest days of the year in Koleen, Indiana.
June and July, with an average of 10.1h of sunshine, are months with the most sunshine in Koleen.
In Koleen, July is the warmest month, with temperatures averaging a high of 84.4°F (29.1°C) and a low of 66°F (18.9°C).
September and October are months with the least rain in Koleen, Indiana, when the rain falls for 11.6 days and typically aggregates up to 1.69" (43mm) of rain.
October is the least humid month, with an average relative humidity of 73%.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 4.2h of sunshine.
Average temperature
Koleen, IN
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure
Koleen, IN
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"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:
30.14"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
Koleen, IN
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Koleen, IN
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Koleen, IN
- Average rainfall in January:
2.01" - Average rainfall in February:
1.77" - Average rainfall in March:
2.36" - Average rainfall in April:
3.39" - Average rainfall in May:
2.99" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.01" - Average rainfall in September:
1.69" - Average rainfall in October:
1.69" - Average rainfall in November:
1.93" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is April (3.39").
The driest months (with the least rainfall) are September and October (1.69").
Average rainfall days
Koleen, IN
- Average rainfall days in January:
9 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (9 days).
Average snowfall
Koleen, IN
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Koleen, IN
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.8 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:
6.3 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Koleen, 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 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days
Koleen, IN
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
10 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10 days).
Average UV index
Koleen, IN
The months with the highest UV index are May, 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
Koleen, IN
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Koleen, IN
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
