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
Trenton's April weather shows an increase in high-temperatures, moving from March's chilly 48.2°F (9°C) to a comfortable 60.8°F (16°C). An average low-temperature of 43.3°F (6.3°C) marks the nights throughout April.Humidity
The average relative humidity in April in Trenton, Iowa, is 74%.Rainfall
In Trenton, in April, it is raining for 14.6 days, with typically 3.27" (83mm) of accumulated precipitation. In Trenton, Iowa, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.Snowfall
Months with snowfall in Trenton are January through April, October through December. April is the last month it regularly snows. During 0.9 snowfall days, in April, Trenton aggregates 1.54" (39mm) of snow. In Trenton, Iowa, during the entire year, snow falls for 30.7 days and aggregates up to 15" (381mm) of snow.Daylight
In Trenton, the average length of the day in April is 13h and 20min.On the first day of April in Trenton, sunrise is at 6:48 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:02 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index in Trenton is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are April temperatures in Trenton?
What is the average humidity in April in Trenton?
How much does it rain in Trenton in April?
What is the last month it snows in Trenton?
How many hours of daylight does Trenton have in April?
When are sunrise and sunset in April in Trenton?
How long on average sun shines in April in Trenton?
What is the UV index reading in April in Trenton?
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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