April weather forecast
Mystic, IA

Share

Weather in April

April in Mystic, Iowa, is a moderate spring month, with an average temperature varying between 60.4°F (15.8°C) and 42.8°F (6°C).

Temperature

In Mystic, stepping into April brings a temperature increase, moving up from March's frosty 48.7°F (9.3°C) to a moderate 60.4°F (15.8°C). In April, Mystic encounters an average low-temperature of 42.8°F (6°C) during the night.

Humidity

The average relative humidity in April in Mystic is 75%.

Rainfall

In Mystic, in April, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 143.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Mystic, during April, snow falls for 1.3 days and regularly aggregates up to 1.93" (49mm) of snow. In Mystic, during the entire year, snow falls for 33.2 days and aggregates up to 15.31" (389mm) of snow.

Daylight

The average length of the day in April in Mystic is 13h and 20min.
On the first day of April, sunrise is at 6:53 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:07 pm CDT.

Sunshine

In April, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

Mystic in April has an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 42.8°F (6°C).

What is the average humidity in April?

In April, the average relative humidity is 75%.

How much does it rain in April?

In Mystic, in April, it is raining for 14.3 days, with typically 2.68" (68mm) of accumulated precipitation.

How much does it snow in April?

In Mystic, during April, snow falls for 1.3 days and regularly aggregates up to 1.93" (49mm) of snow.

What is the average length of the day in April?

In Mystic, the average day length in April is 13h and 20min.

What time are sunrise and sunset in April?

On the first day of April, sunrise is at 6:53 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:07 pm CDT.

How many hours of sunshine does Mystic have in April?

The average sunshine duration in April is 8.2h.

What is the UV index intensity in April?

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mystic, IA

Average temperature in April - Mystic, IA
  • Average high temperature in April: 60.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in April: 42.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in April
Mystic, IA

Average pressure in April - Mystic, IA
  • Average pressure in April: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in April
Mystic, IA

Average wind speed in April - Mystic, IA
  • Average wind speed in April: 10.4mph

The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in April
Mystic, IA

Average humidity in April - Mystic, IA
  • Average humidity in April: 75%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Mystic, IA

Average rainfall in April - Mystic, IA
  • Average rainfall in April: 2.68"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in April
Mystic, IA

Average rainfall days in April - Mystic, IA
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

Average snowfall in April
Mystic, IA

Average snowfall in April - Mystic, IA
  • Average snowfall in April: 1.93"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Mystic, IA

Average snowfall days in April - Mystic, IA
  • Average snowfall days in April: 1.3 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Mystic, IA

Average daylight in April / Average sunshine in April - Mystic, IA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in April
Mystic, IA

Average sunshine days in April - Mystic, IA
  • Average sunshine days in April: 13.1 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).

Average UV index in April
Mystic, IA

Average UV index in April - Mystic, 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 January (UV index 1).

Average cloud cover in April
Mystic, IA

Average cloud cover in April - Mystic, IA
  • Average cloud cover in April: 44

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in April
Mystic, IA

Average visibility in April - Mystic, IA
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Mystic, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location