April weather forecastDorchester, IA
April
Weather in April
April is a cool spring month in Dorchester, Iowa, with an average temperature varying between 54°F (12.2°C) and 36.3°F (2.4°C).Temperature
Dorchester sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 41°F (5°C) in March to a fresh 54°F (12.2°C). An average low-temperature of 36.3°F (2.4°C) is anticipated throughout the nights during April.Humidity
In Dorchester, the average relative humidity in April is 77%.Rainfall
In Dorchester, during April, the rain falls for 14.9 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 130.5 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Dorchester, in April, snow falls for 3.3 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 51.4 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 27min.On the first day of April, sunrise is at 6:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:07 pm CDT.
Sunshine
The average sunshine in April is 7.4h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during April translates into the following directions:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. 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
Dorchester, IA
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in April: 36.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in April
Dorchester, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Dorchester, IA
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in April
Dorchester, IA
- Average humidity in April: 77%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Dorchester, IA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in April
Dorchester, IA
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Dorchester, IA
- Average snowfall in April: 2.48"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Dorchester, IA
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Dorchester, IA
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Dorchester, IA
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in April
Dorchester, IA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Dorchester, IA
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Dorchester, IA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
