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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 Forest Park, Indiana, is an icy winter month, with an average temperature varying between 22.5°F (-5.3°C) and 35.2°F (1.8°C). January stands out as Forest Park's coldest month, with an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 22.5°F (-5.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Forest Park, Indiana, with an average temperature fluctuating between 39.9°F (4.4°C) and 26.1°F (-3.3°C). In February, Forest Park experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 35.2°F (1.8°C) in January to a still wintry 39.9°F (4.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Forest Park, Indiana, with an average temperature ranging between min 35.6°F (2°C) and max 51.1°F (10.6°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a wintry 39.9°F (4.4°C) in February to a cool 51.1°F (10.6°C). Weather in March »
Weather in April
April is an enjoyable spring month in Forest Park, Indiana, with an average temperature fluctuating between 45.9°F (7.7°C) and 63.1°F (17.3°C). April brings a rise in Forest Park's average high-temperature, moving from a fresh 51.1°F (10.6°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Forest Park, Indiana, with an average temperature fluctuating between 55.9°F (13.3°C) and 73°F (22.8°C). May signals a shift in the average high-temperature, moving from April's enjoyable 63.1°F (17.3°C) to an agreeable 73°F (22.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Forest Park, Indiana, with an average temperature varying between 63.3°F (17.4°C) and 81.1°F (27.3°C). June brings a slight rise in Forest Park's average high-temperature, moving from an agreeable 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, like June, in Forest Park, Indiana, is another warm summer month, with an average temperature ranging between max 83.3°F (28.5°C) and min 65.5°F (18.6°C). The average temperatures reach their apex in July, averaging 83.3°F (28.5°C) at the high end and 65.5°F (18.6°C) at the low end. July's heat index is calculated to be a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Forest Park, Indiana, with an average temperature ranging between max 82.8°F (28.2°C) and min 63.3°F (17.4°C). The advent of August signifies a minor shift to an average high-temperature of a still warm 82.8°F (28.2°C), aligning closely with July. Weather in August »
Weather in September
September, the first month of the autumn in Forest Park, is still a warm month, with an average temperature varying between 58.3°F (14.6°C) and 77°F (25°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from 82.8°F (28.2°C) in August to a still warm 77°F (25°C). Weather in September »
Weather in October
October, like September, in Forest Park, Indiana, is another enjoyable autumn month, with an average temperature varying between 64.6°F (18.1°C) and 47.3°F (8.5°C). In October, the average high-temperature goes from a moderately hot 77°F (25°C) in September to a refreshing 64.6°F (18.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Forest Park, Indiana, with an average temperature fluctuating between 51.1°F (10.6°C) and 36.5°F (2.5°C). The transition into November indicates a reduction in the average high-temperature, down to a fresh 51.1°F (10.6°C) from October's enjoyable 64.6°F (18.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Forest Park, Indiana, with an average temperature fluctuating between 40.6°F (4.8°C) and 29.7°F (-1.3°C). In the transition to December, Forest Park observes a drop in the average high-temperature, moving from a fresh 51.1°F (10.6°C) in November to a cold 40.6°F (4.8°C). Weather in December »
Updated: Aug 9, 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?
Forest Park experiences its lowest temperatures in January, with an average peak of 35.2°F (1.8°C) and a low of 22.5°F (-5.3°C).
What are the most humid months?
January, February, July and December, with an average relative humidity of 81%, are most humid months.
How many days does it rain?
In Forest Park, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
In Forest Park, during the entire year, snow falls for 34.1 days and aggregates up to 8.54" (217mm) of snow.
What is the month with the least sunshine in Forest Park?
The month with the least sunshine is January, with an average of 4.1h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 2.17" (55mm) 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?
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.5" (89mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Forest Park.
What part of the year is the hottest?
With its average high temperature of 83.3°F (28.5°C) and a low of 65.5°F (18.6°C), July is regarded as the warmest month.
What month has the most sunshine?
July has the most sunshine of the year in Forest Park, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 1.73" (44mm) of precipitation.
What is the least humid month?
With an average relative humidity of 74%, October is the least humid month in Forest Park.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Forest Park, Indiana.
Average temperature
Forest Park, IN
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Forest Park, IN
- Average pressure in January:
30.14"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:
29.93"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:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Forest Park, IN
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.7mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.2mph
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 (5.3mph).
Average humidity
Forest Park, IN
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Forest Park, IN
- Average rainfall in January:
2.09" - Average rainfall in February:
2.05" - Average rainfall in March:
2.6" - Average rainfall in April:
3.23" - Average rainfall in May:
3.5" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.05" - Average rainfall in September:
1.73" - Average rainfall in October:
2.24" - Average rainfall in November:
2.13" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Forest Park, IN
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall
Forest Park, IN
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Forest Park, IN
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 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:
2.5 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Forest Park, IN
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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 3min
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 1min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Forest Park, IN
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
13.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index
Forest Park, 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
Forest Park, IN
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Forest Park, IN
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
Forest Park, Indiana, USA
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