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 is marked by an increase in the average high-temperature, moving from a chilly 44.6°F (7°C) in March to a refreshing 56.8°F (13.8°C). Nighttime temperatures consistently average a cold 40.6°F (4.8°C) during April.Humidity
In Olin, the average relative humidity in April is 75%.Rainfall
In Olin, in April, it is raining for 15.5 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Olin, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Olin, Iowa. April is the last month it regularly snows. During 1.3 snowfall days, in April, Olin aggregates 0.75" (19mm) of snow. In Olin, 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 Olin is 13h and 23min.On the first day of April, sunrise is at 6:45 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:02 pm CDT.
Sunshine
The average sunshine in April in Olin is 7.5h.UV index
In April, the average daily maximum UV index in Olin is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Olin in April?
What is the average humidity in April in Olin?
How many days does it rain in April in Olin?
What is the last month it snows in Olin?
What is the average length of the day in April in Olin?
When are sunrise and sunset in April in Olin?
How many hours of sunshine does Olin have in April?
What is the UV index intensity in April in Olin?
Average temperature in April
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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
Olin, 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).
Olin, Iowa, USA
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