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 into April brings an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) in March to an enjoyable 60.8°F (16°C). Trenton's April nights cool down to an average low-temperature of 43.3°F (6.3°C).Humidity
In Trenton, the average relative humidity in April is 74%.Rainfall
In Trenton, in April, it is raining for 14.6 days, with typically 3.27" (83mm) of accumulated precipitation. In Trenton, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.9 snowfall days, in April, Trenton aggregates 1.54" (39mm) of snow. Throughout the year, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:02 pm CDT.
Sunshine
In Trenton, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in April transforms into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Trenton have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Trenton have in April?
What is the UV index intensity in April?
Average temperature in April
Trenton, IA
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Trenton, IA
- 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 (29.9"Hg).
Average wind speed in April
Trenton, IA
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in April
Trenton, IA
- 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
Trenton, IA
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in April
Trenton, IA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in April
Trenton, IA
- Average snowfall in April: 1.54"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Trenton, IA
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (9.6 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
Trenton, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Trenton, IA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in April
Trenton, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Trenton, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in April
Trenton, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Trenton, Iowa, USA
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