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 start of April is characterized by an increase in the average high-temperature, transitioning from a wintry 41.5°F (5.3°C) in March to a cool 54.9°F (12.7°C). Throughout the month of April, the nighttime temperature dips to an average of 39.2°F (4°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Spirit Lake, in April, during 14 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 124.6 rainfall days, and 24.37" (619mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Spirit Lake, during April, snow falls for 3.1 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 47.4 snowfall days, and 21.93" (557mm) of snow is accumulated.Daylight
In Spirit Lake, the average length of the day in April is 13h and 27min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index in Spirit Lake is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during April translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Spirit Lake have in April?
How high is the UV index in April?
Average temperature in April
Spirit Lake, IA
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in April
Spirit Lake, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Spirit Lake, IA
- Average wind speed in April: 11.2mph
The windiest months (with the highest average wind speed) are January, February and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Spirit Lake, 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
Spirit Lake, IA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in April
Spirit Lake, IA
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in April
Spirit Lake, IA
- Average snowfall in April: 2.01"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Spirit Lake, IA
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Spirit Lake, IA
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Spirit Lake, IA
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in April
Spirit Lake, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in April
Spirit Lake, IA
- Average cloud cover in April: 47
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
Spirit Lake, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Spirit Lake, Iowa, USA
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