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 shows a rise in the average high-temperature, moving from March's chilly 44.6°F (7°C) to a refreshing 56.8°F (13.8°C). An average low-temperature of 40.6°F (4.8°C) is expected in Martelle, Iowa, during April.Humidity
The average relative humidity in April in Martelle is 75%.Rainfall
In Martelle, in April, it is raining for 15.5 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Martelle, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Martelle aggregates 0.75" (19mm) of snow. In Martelle, during the entire year, snow falls for 38.8 days and aggregates up to 15.16" (385mm) of snow.Daylight
In April, the average length of the day in Martelle is 13h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:01 am and sunset at 8:03 pm CDT.
Sunshine
In Martelle, the average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index in Martelle is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Martelle?
What is the average humidity in April in Martelle?
How much does it rain in Martelle in April?
What is the last month it snows in Martelle?
How many hours of daylight does Martelle have in April?
When are sunrise and sunset in April in Martelle?
How long on average sun shines in April in Martelle?
How high is the UV index in April in Martelle?
Average temperature in April
Martelle, IA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Martelle, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Martelle, IA
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Martelle, IA
- Average humidity in April: 75%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Martelle, IA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in April
Martelle, IA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in April
Martelle, IA
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Martelle, IA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Martelle, IA
- Average daylight in April: 13h and 2min
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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Martelle, IA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in April
Martelle, IA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Martelle, IA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Martelle, 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).
Martelle, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location