Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset brings a temperature rise, moving from a cool 55°F (12.8°C) in March to a comfortable 66.2°F (19°C). In April, Derby experiences an average nighttime temperature of 48°F (8.9°C).Humidity
The average relative humidity in April is 77%.Rainfall
The month with the most rainfall in Derby, Indiana, is April, when the rain falls for 12.9 days and typically aggregates up to 2.13" (54mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Derby aggregates 0.08" (2mm) of snow. Throughout the year, there are 20.2 snowfall days, and 4.02" (102mm) of snow is accumulated.Daylight
In Derby, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:09 pm. On the last day of April, in Derby, Indiana, sunrise is at 5:49 am and sunset at 7:36 pm CDT.
Sunshine
In April, the average sunshine is 8.6h.UV index
In April, the average daily maximum UV index in Derby is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in April suggests the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Derby in April?
What is the average humidity in April in Derby?
What is the rainiest month in Derby?
How many days does it rain in April in Derby?
What is the last month it snows in Derby?
How many hours of daylight does Derby have in April?
When is the sunrise / sunset in April in Derby?
How long on average sun shines in April in Derby?
What is the UV index intensity in April in Derby?
Average temperature in April
Derby, IN
- Average high temperature in April: 66.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in April
Derby, IN
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Derby, IN
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in April
Derby, IN
- Average humidity in April: 77%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Derby, IN
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is April (2.13").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in April
Derby, IN
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in April
Derby, IN
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Derby, IN
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Derby, IN
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in April
Derby, IN
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in April
Derby, IN
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Derby, IN
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Derby, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Derby, Indiana, USA
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