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
As April begins, there is an increase in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in March to a moderate 56.1°F (13.4°C). During April, Winthrop sees a mean low-temperature of 39.7°F (4.3°C).Humidity
In Winthrop, the average relative humidity in April is 74%.Rainfall
In April, in Winthrop, the rain falls for 15.3 days. Throughout April, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 140.6 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Winthrop, during April, snow falls for 1.8 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 43.9 snowfall days, and 18.43" (468mm) of snow is accumulated.Daylight
In April, the average length of the day in Winthrop is 13h and 25min.On the first day of April, sunrise is at 6:47 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:06 pm CDT.
Sunshine
In Winthrop, the average sunshine in April is 7.4h.UV index
In Winthrop, Iowa, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during April leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Winthrop in April?
What is the average humidity in April in Winthrop?
How many days does it rain in April in Winthrop?
How much does it snow in Winthrop in April?
How many hours of daylight does Winthrop have in April?
When are sunrise and sunset in April in Winthrop?
How many hours of sunshine does Winthrop have in April?
What is the UV index intensity in April in Winthrop?
Average temperature in April
Winthrop, IA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 39.7°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 (12.2°F).
Average pressure in April
Winthrop, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Winthrop, IA
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in April
Winthrop, IA
- Average humidity in April: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Winthrop, IA
- Average rainfall in April: 3.35"
The wettest months (with the highest rainfall) are May and June (4.37").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Winthrop, IA
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in April
Winthrop, IA
- Average snowfall in April: 0.83"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Winthrop, IA
- Average snowfall days in April: 1.8 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
Winthrop, 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 6min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Winthrop, IA
- Average sunshine days in April: 11.5 days
The months with the most sunshine days are January, October and November (17.5 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in April
Winthrop, IA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Winthrop, IA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Winthrop, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Winthrop, Iowa, USA
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