Climate and monthly weather forecastWestchester, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Westchester, Indiana, is a freezing cold winter month, with an average temperature ranging between min 20.1°F (-6.6°C) and max 31.6°F (-0.2°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 31.6°F (-0.2°C) and a low of 20.1°F (-6.6°C). Weather in January »Weather in February
February, the last month of the winter in Westchester, is a wintry month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 36.1°F (2.3°C). A minor adjustment in Westchester's average high-temperature is noted with the start of February, touching a wintry 36.1°F (2.3°C) from January's 31.6°F (-0.2°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Westchester, Indiana, with an average temperature ranging between max 47.5°F (8.6°C) and min 33.1°F (0.6°C). The shift from February to March is marked by an increase in the average high-temperature, moving from an icy 36.1°F (2.3°C) to a frosty 47.5°F (8.6°C). Weather in March »Weather in April
April in Westchester, Indiana, is a mild spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.2°F (6.2°C). With the onset of April, Westchester experiences a temperature shift, with the average high-temperature moving from a frosty 47.5°F (8.6°C) in March to a mild 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Westchester, Indiana, with an average temperature varying between 70.5°F (21.4°C) and 54.1°F (12.3°C). May's arrival brings a temperature shift, moving from a moderate 59.5°F (15.3°C) in April to a pleasant 70.5°F (21.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Westchester, Indiana, with an average temperature fluctuating between 61.9°F (16.6°C) and 78.3°F (25.7°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's pleasant 70.5°F (21.4°C) to a warm 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Westchester, Indiana, is another warm summer month, with an average temperature varying between 64°F (17.8°C) and 81.1°F (27.3°C). Westchester's July weather reaches an average high of 81.1°F (27.3°C) and an average low of 64°F (17.8°C), making it the warmest month. The heat index in July is calculated to be a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Westchester, is also a moderately hot month, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 61.9°F (16.6°C). Entering August, Westchester's average high-temperature reads a still moderately hot 79°F (26.1°C), indicating a close resemblance to the previous month's climate. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Westchester, Indiana, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 73.8°F (23.2°C). With September's arrival, Westchester notes an average high-temperature of a still warm 73.8°F (23.2°C), closely following the trend of the preceding month. Weather in September »Weather in October
October, like September, in Westchester, Indiana, is another comfortable autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46°F (7.8°C). The transition into October indicates a reduction in the average high-temperature, down to an enjoyable 61.7°F (16.5°C) from September's moderately hot 73.8°F (23.2°C). Weather in October »Weather in November
November, the last month of the autumn in Westchester, is also a frosty month, with an average temperature ranging between max 48.4°F (9.1°C) and min 35.1°F (1.7°C). In November, the average high-temperature goes from a comfortable 61.7°F (16.5°C) in October to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Westchester, is also a wintry month, with an average temperature ranging between min 27.1°F (-2.7°C) and max 37.6°F (3.1°C). In Westchester, the average high-temperature in December decreases from a chilly 48.4°F (9.1°C) in November to a wintry 37.6°F (3.1°C). Weather in December »Updated: Aug 24, 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
January is the month when Westchester experiences its coldest temperatures, averaging a high of 31.6°F (-0.2°C) and a low of 20.1°F (-6.6°C).
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.
In Westchester, during the entire year, the rain falls for 108.6 days and collects up to 8.74" (222mm) of precipitation.
Months with snowfall are January through April, October through December.
Throughout the year, there are 32.7 snowfall days, and 3.15" (80mm) of snow is accumulated.
With an average of 3.4h of sunshine, January has the least sunshine of the year.
February is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.47" (12mm) of precipitation.
The month with the most snowfall is February, when snow falls for 8.1 days and typically aggregates up to 0.75" (19mm) 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.
May is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.1" (28mm) of precipitation.
May through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July is the warmest month, with the temperature often reaching an average high of 81.1°F (27.3°C) and an average low of 64°F (17.8°C).
July has the most sunshine of the year, with an average of 10h of sunshine.
With an average relative humidity of 74%, October is the least humid month in Westchester.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Westchester, 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 (31.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Westchester, IN
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"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:
29.97"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 months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Westchester, IN
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Westchester, IN
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Westchester, IN
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.87" - Average rainfall in April:
0.83" - Average rainfall in May:
1.1" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.83" - Average rainfall in September:
0.55" - Average rainfall in October:
0.51" - Average rainfall in November:
0.55" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Westchester, IN
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
10.9 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (13.9 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall
Westchester, IN
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Westchester, IN
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
8.1 days - Average snowfall days in March:
4.4 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:
0.4 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
6.5 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
Westchester, IN
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 24min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 30min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Westchester, IN
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
15.9 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.7 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is June (13.3 days).
Average UV index
Westchester, 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
Westchester, IN
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Westchester, IN
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
