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 arrival sees a rise in the average high-temperature, jumping from March's cool 52.3°F (11.3°C) to a refreshing 63.9°F (17.7°C). During April nights, Rockbridge witnesses a consistent average temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Rockbridge, during April, the rain falls for 12.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 120.6 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Rockbridge, Illinois.Daylight
In April, the average length of the day in Rockbridge is 13h and 16min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:25 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:53 pm CDT.
Sunshine
In Rockbridge, the average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during April translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rockbridge in April?
What is the average humidity in April in Rockbridge?
How much does it rain in Rockbridge in April?
When it does not snow in Rockbridge?
Does it snow in Rockbridge in April?
What is the average length of the day in April in Rockbridge?
What time are sunrise and sunset in April in Rockbridge?
How long on average sun shines in April in Rockbridge?
What is the UV index intensity in April in Rockbridge?
Average temperature in April
Rockbridge, IL
- Average high temperature in April: 63.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Rockbridge, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Rockbridge, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in April
Rockbridge, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Rockbridge, IL
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in April
Rockbridge, IL
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in April
Rockbridge, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Rockbridge, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6 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
Rockbridge, IL
- Average daylight in April: 13h and 2min
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 April: 8h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Rockbridge, IL
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in April
Rockbridge, IL
- Average UV index in April: 4
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 in April
Rockbridge, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in April
Rockbridge, IL
- Average visibility in April: 6mi
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).
Rockbridge, Illinois, USA
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