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 witnesses an increase in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in March to an enjoyable 61.9°F (16.6°C). Throughout the nights in April, Havana experiences an average low-temperature of 45°F (7.2°C).Humidity
In Havana, the average relative humidity in April is 74%.Rainfall
In Havana, in April, it is raining for 15.4 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 142.9 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall in Havana are January through April, October through December. April is the last month it regularly snows in Havana. During 0.8 snowfall days, in April, Havana aggregates 0.24" (6mm) of snow. In Havana, during the entire year, snow falls for 28.4 days and aggregates up to 10.31" (262mm) of snow.Daylight
In Havana, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of April, in Havana, Illinois, sunrise is at 5:59 am and sunset at 7:54 pm CDT.
Sunshine
In Havana, the average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during April translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Havana?
What is the average humidity in April in Havana?
How many days does it rain in April in Havana?
What is the last month it snows in Havana?
What is the average length of the day in April in Havana?
What time are sunrise and sunset in April in Havana?
How long on average sun shines in April in Havana?
What is the UV index reading in April in Havana?
Average temperature in April
Havana, IL
- Average high temperature in April: 61.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Havana, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Havana, IL
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Havana, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Havana, IL
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in April
Havana, IL
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Havana, IL
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Havana, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.2 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
Havana, IL
- Average daylight in April: 13h and 2min
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 April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Havana, IL
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in April
Havana, 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
Havana, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in April
Havana, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Havana, Illinois, USA
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