Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, Armstrong's weather sees a temperature rise, transitioning from a frosty 48.9°F (9.4°C) in March to a moderate 60.4°F (15.8°C). During April, Armstrong's temperature averages to a chilly 44.6°F (7°C) at night.Humidity
In April, the average relative humidity is 75%.Rainfall
In Armstrong, in April, during 14.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Armstrong, there are 146.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
Months with snowfall in Armstrong are January through April, November and December. April is the last month it regularly snows. During 1.1 snowfall days, in April, Armstrong aggregates 0.28" (7mm) of snow. Throughout the year, there are 34.2 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
The average length of the day in April in Armstrong is 13h and 19min.On the first day of April in Armstrong, sunrise is at 6:33 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:46 pm CDT.
Sunshine
The average sunshine in April is 8h.UV index
In Armstrong, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What are the temperatures in Armstrong in April?
What is the average humidity in April in Armstrong?
How much does it rain in Armstrong in April?
What is the last month it snows in Armstrong?
What is the average length of the day in April in Armstrong?
When are sunrise and sunset in April in Armstrong?
How long on average sun shines in April in Armstrong?
What is the UV index intensity in April in Armstrong?
Average temperature in April
Armstrong, IL
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 44.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Armstrong, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Armstrong, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Armstrong, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Armstrong, IL
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in April
Armstrong, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in April
Armstrong, IL
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Armstrong, IL
- Average snowfall days in April: 1.1 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
Armstrong, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Armstrong, IL
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Armstrong, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Armstrong, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in April
Armstrong, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Armstrong, Illinois, USA
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