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
The shift from March to April brings an increase in the average high-temperature, moving from a fresh 50°F (10°C) to an enjoyable 61.5°F (16.4°C). In Hammond, the average nighttime temperature during April is a frosty 45.9°F (7.7°C).Humidity
In April, the average relative humidity is 74%.Rainfall
The wettest months are April and May, with an average 2.56" (65mm) of rainfall.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Hammond aggregates 0.16" (4mm) of snow. In Hammond, during the entire year, snow falls for 28.9 days and aggregates up to 7.01" (178mm) of snow.Daylight
In Hammond, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:54 am and sunset at 7:48 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Hammond is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
What is the wettest month in Hammond?
How many days does it rain in April?
What is the last month it snows in Hammond?
How many hours of daylight does Hammond have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Hammond, IL
- Average high temperature in April: 61.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 45.9°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 (20.8°F).
Average pressure in April
Hammond, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Hammond, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Hammond, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Hammond, IL
- Average rainfall in April: 2.56"
The wettest months (with the highest rainfall) are April and May (2.56").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in April
Hammond, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in April
Hammond, IL
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Hammond, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.3 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
Hammond, 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 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Hammond, IL
- Average sunshine days in April: 12.8 days
The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in April
Hammond, 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
Hammond, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in April
Hammond, 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).
Hammond, Illinois, USA
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