Climate and monthly weather forecastZionsville, IN
Climate and monthly weather forecast
Weather in January
January, like December, in Zionsville, Indiana, is an icy winter month, with an average temperature ranging between max 32.2°F (0.1°C) and min 20.3°F (-6.5°C). Zionsville reaches its lowest average temperatures in January, measuring 32.2°F (0.1°C) at the peak and 20.3°F (-6.5°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Zionsville, is another cold month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.9°F (2.7°C). February brings a marginal elevation to a still wintry 36.9°F (2.7°C) from January's 32.2°F (0.1°C) in Zionsville's average high-temperatures. Weather in February »Weather in March
March, the first month of the spring in Zionsville, is a frosty month, with an average temperature varying between 49.1°F (9.5°C) and 34.2°F (1.2°C). With the transition into March, Zionsville experiences an increase in average high-temperatures, moving up from a wintry 36.9°F (2.7°C) in February to a chilly 49.1°F (9.5°C). Weather in March »Weather in April
April in Zionsville, Indiana, is a moderate spring month, with an average temperature varying between 44.4°F (6.9°C) and 60.6°F (15.9°C). Zionsville in April experiences an increase in the average high-temperature, moving from March's frosty 49.1°F (9.5°C) to a mild 60.6°F (15.9°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Zionsville, Indiana, with an average temperature varying between 55°F (12.8°C) and 71.6°F (22°C). With the onset of May, Zionsville experiences a temperature shift, with the average high-temperature moving from a moderate 60.6°F (15.9°C) in April to a pleasant 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Zionsville, Indiana, with an average temperature ranging between max 80.1°F (26.7°C) and min 63.1°F (17.3°C). June's onset brings a minor rise in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a moderately hot 80.1°F (26.7°C). Weather in June »Weather in July
July, like June, in Zionsville, Indiana, is a moderately hot summer month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 81.7°F (27.6°C). With average high temperatures of 81.7°F (27.6°C) and lows of 65.5°F (18.6°C), July is the warmest month. During July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Zionsville, Indiana, with an average temperature ranging between min 63.1°F (17.3°C) and max 80.4°F (26.9°C). Zionsville experiences an average high-temperature of a still warm 80.4°F (26.9°C) with the onset of August, subtly varied from July's 81.7°F (27.6°C). Weather in August »Weather in September
September, the first month of the autumn in Zionsville, is also a moderately hot month, with an average temperature ranging between min 57.9°F (14.4°C) and max 75.4°F (24.1°C). September brings an average high-temperature of a still moderately hot 75.4°F (24.1°C), showing a slight difference from August's 80.4°F (26.9°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Zionsville, Indiana, with an average temperature fluctuating between 62.1°F (16.7°C) and 46.9°F (8.3°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75.4°F (24.1°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Zionsville, Indiana, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 48.7°F (9.3°C). The shift from October to November involves a decrease in the average high-temperature, from an enjoyable 62.1°F (16.7°C) to a frosty 48.7°F (9.3°C). Weather in November »Weather in December
December, the first month of the winter in Zionsville, is also an icy month, with an average temperature varying between 27.3°F (-2.6°C) and 37.8°F (3.2°C). As Zionsville enters December, the average high-temperature decreases from the a frosty 48.7°F (9.3°C) of November to a wintry 37.8°F (3.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Zionsville, IN
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°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 (20.3°F).
Average pressure
Zionsville, 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:
29.97"Hg - Average pressure in June:
29.93"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:
30.13"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Zionsville, IN
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Zionsville, IN
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Zionsville, IN
- Average rainfall in January:
0.79" - Average rainfall in February:
0.67" - Average rainfall in March:
0.87" - Average rainfall in April:
1.34" - Average rainfall in May:
1.46" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.06" - Average rainfall in August:
0.91" - Average rainfall in September:
0.79" - Average rainfall in October:
0.83" - Average rainfall in November:
0.71" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Zionsville, IN
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
12.7 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
10.9 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Zionsville, IN
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Zionsville, IN
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.7 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:
2.4 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Zionsville, 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 24min - 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:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Zionsville, IN
- Average sunshine days in January:
19 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
Zionsville, 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
Zionsville, IN
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Zionsville, IN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





