April weather forecastRoyal, IA
April
Weather in April
April in Royal, Iowa, is a moderate spring month, with an average temperature ranging between max 55.6°F (13.1°C) and min 39.7°F (4.3°C).Temperature
April indicates a change in the average high-temperature, moving up from a cold 42.4°F (5.8°C) in March to a refreshing 55.6°F (13.1°C). Royal, in April, witnesses an average low-temperature of 39.7°F (4.3°C).Humidity
In April, the average relative humidity is 69%.Rainfall
In Royal, in April, it is raining for 13.3 days, with typically 1.61" (41mm) of accumulated precipitation. In Royal, during the entire year, the rain falls for 112.3 days and collects up to 15.31" (389mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Royal, in April, snow falls for 2.3 days, with typically accumulated 0.79" (20mm) of snow. In Royal, during the entire year, snow falls for 45.5 days and aggregates up to 11.14" (283mm) of snow.Daylight
In April, the average length of the day in Royal is 13h and 26min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:48 pm. On the last day of April, in Royal, sunrise is at 6:14 am and sunset at 8:21 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Royal, IA
- Average high temperature in April: 55.6°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 (22.8°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 (10.6°F).
Average pressure in April
Royal, IA
- Average pressure in April: 29.93"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
Royal, IA
- Average wind speed in April: 11.1mph
The windiest months (with the highest average wind speed) are January and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in April
Royal, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Royal, IA
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Royal, IA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in April
Royal, IA
- Average snowfall in April: 0.79"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Royal, IA
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Royal, IA
- Average daylight in April: 13h and 24min
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 6min).
- Average sunshine in April: 7h and 54min
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 0min).
Average sunshine days in April
Royal, IA
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in April
Royal, IA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in April
Royal, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Royal, 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).
