April weather forecast
Lone Rock, IA

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Weather in April

April in Lone Rock, Iowa, is a mild spring month, with an average temperature ranging between max 55.9°F (13.3°C) and min 40.1°F (4.5°C).

Temperature

The arrival of April sees a shift in the average high-temperature, moving from a chilly 42.8°F (6°C) in March to a mild 55.9°F (13.3°C). Lone Rock registers a consistent average low-temperature of 40.1°F (4.5°C) during April.

Humidity

In April, the average relative humidity in Lone Rock is 69%.

Rainfall

In Lone Rock, in April, during 11.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Lone Rock, there are 100.5 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.6 snowfall days, in April, Lone Rock aggregates 0.39" (10mm) of snow. Throughout the year, there are 36.9 snowfall days, and 8.43" (214mm) of snow is accumulated.

Daylight

In Lone Rock, the average length of the day in April is 13h and 26min.
On the first day of April, sunrise is at 6:57 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:18 pm CDT.

Sunshine

In Lone Rock, the average sunshine in April is 7.9h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in April leads to these recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Lone Rock?

The average high-temperature and low-temperature in Lone Rock, Iowa, during April are 55.9°F (13.3°C) and 40.1°F (4.5°C) respectively.

What is the average humidity in April in Lone Rock?

In April, the average relative humidity in Lone Rock is 69%.

How many days does it rain in April in Lone Rock?

In Lone Rock, in April, during 11.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

What is the last month it snows in Lone Rock?

April is the last month it regularly snows in Lone Rock, Iowa. During 1.6 snowfall days, in April, Lone Rock aggregates 0.39" (10mm) of snow.

How many hours of daylight does Lone Rock have in April?

The average day length in April in Lone Rock, Iowa, is 13h and 26min.

When are sunrise and sunset in April in Lone Rock?

In April, on the first day of the month, sunrise is at 6:57 am and sunset at 7:44 pm. On the last day of the month, in Lone Rock, Iowa, sunrise is at 6:10 am and sunset at 8:18 pm CDT.

How long on average sun shines in April in Lone Rock?

The average sunshine duration in April in Lone Rock is 7.9h.

What is the UV index intensity in April in Lone Rock?

In April, the average daily maximum UV index in Lone Rock, Iowa, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Lone Rock, IA

Average temperature in April - Lone Rock, 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
Lone Rock, IA

Average pressure in April - Lone Rock, 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
Lone Rock, IA

Average wind speed in April - Lone Rock, 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
Lone Rock, IA

Average humidity in April - Lone Rock, 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
Lone Rock, IA

Average rainfall in April - Lone Rock, 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
Lone Rock, IA

Average rainfall days in April - Lone Rock, 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
Lone Rock, IA

Average snowfall in April - Lone Rock, 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
Lone Rock, IA

Average snowfall days in April - Lone Rock, 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
Lone Rock, IA

Average daylight in April / Average sunshine in April - Lone Rock, 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 0min).

  • 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
Lone Rock, IA

Average sunshine days in April - Lone Rock, 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
Lone Rock, IA

Average UV index in April - Lone Rock, 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
Lone Rock, IA

Average cloud cover in April - Lone Rock, 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
Lone Rock, IA

Average visibility in April - Lone Rock, 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).

Lone Rock, Iowa, USA

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