April weather forecastUlmer, IA
April
Weather in April
April in Ulmer, Iowa, is a mild spring month, with an average temperature fluctuating between 41.5°F (5.3°C) and 57.9°F (14.4°C).Temperature
The start of April is characterized by an increase in the average high-temperature, transitioning from a frosty 45°F (7.2°C) in March to a moderate 57.9°F (14.4°C). Ulmer, in the month of April, anticipates a consistent average low-temperature of 41.5°F (5.3°C).Humidity
April is the least humid month in Ulmer, with an average relative humidity of 67%.Rainfall
In Ulmer, in April, during 12.2 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Ulmer, there are 107.9 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ulmer are January through May, October through December. In April, in Ulmer, it is snowing for 1.4 days. Throughout April, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 35.1 snowfall days, and 7.99" (203mm) of snow is accumulated.Daylight
In Ulmer, the average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:46 pm. On the last day of April, sunrise is at 6:15 am and sunset at 8:18 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In Ulmer, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ulmer, IA
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in April
Ulmer, 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 (29.88"Hg).
Average wind speed in April
Ulmer, IA
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in April
Ulmer, IA
- Average humidity in April: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).
Average rainfall in April
Ulmer, IA
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Ulmer, IA
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in April
Ulmer, IA
- Average snowfall in April: 0.63"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Ulmer, IA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Ulmer, IA
- Average daylight in April: 13h and 24min
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 12min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Ulmer, IA
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index in April
Ulmer, 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 February (UV index 1).
Average cloud cover in April
Ulmer, IA
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Ulmer, 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).
