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's arrival sees a rise in the average high-temperature, jumping from March's chilly 42.8°F (6°C) to a mild 55.9°F (13.3°C). In Ottosen, the nighttime temperature averages to an icy 40.1°F (4.5°C) during April.Humidity
In Ottosen, the average relative humidity in April is 69%.Rainfall
In Ottosen, in April, it is raining for 11.6 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 100.5 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.6 snowfall days, in April, Ottosen aggregates 0.39" (10mm) of snow. In Ottosen, during the entire year, snow falls for 36.9 days and aggregates up to 8.43" (214mm) of snow.Daylight
The average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:58 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:17 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In Ottosen, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, a regular UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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 are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Ottosen, IA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Ottosen, 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 (29.88"Hg).
Average wind speed in April
Ottosen, IA
- Average wind speed in April: 10.9mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in April
Ottosen, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Ottosen, IA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Ottosen, IA
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in April
Ottosen, IA
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Ottosen, IA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (9.8 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
Ottosen, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Ottosen, IA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in April
Ottosen, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Ottosen, IA
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Ottosen, 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).
Ottosen, Iowa, USA
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