April weather forecastBristol, IL
April
Weather in April
April in Bristol, Illinois, is a moderate spring month, with an average temperature fluctuating between 40.8°F (4.9°C) and 57°F (13.9°C).Temperature
April's onset is marked by a temperature increase, moving from a chilly 45.7°F (7.6°C) in March to a refreshing 57°F (13.9°C). An average low-temperature of 40.8°F (4.9°C) marks the nights throughout April.Humidity
The average relative humidity in April is 75%.Rainfall
In Bristol, during April, the rain falls for 14.4 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Bristol, during the entire year, the rain falls for 133.1 days and collects up to 16.93" (430mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Bristol. During 1.8 snowfall days, in April, Bristol aggregates 1.18" (30mm) of snow. In Bristol, during the entire year, snow falls for 39.5 days and aggregates up to 6.69" (170mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:50 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Bristol, IL
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in April: 40.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Bristol, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Bristol, IL
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Bristol, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Bristol, IL
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").
Average rainfall days in April
Bristol, IL
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Bristol, IL
- Average snowfall in April: 1.18"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Bristol, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Bristol, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Bristol, IL
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in April
Bristol, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Bristol, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Bristol, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
