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
In Castleford, stepping into April brings a gentle temperature nudge, moving slightly up from March's chilly 49.8°F (9.9°C) to a moderate 57.4°F (14.1°C). April generally records an average low-temperature of 38.8°F (3.8°C).Humidity
In Castleford, the average relative humidity in April is 51%.Rainfall
In Castleford, Idaho, in April, it is raining for 9.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 85.9 rainfall days, and 8.27" (210mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Castleford aggregates 0.63" (16mm) of snow. Throughout the year, there are 33.1 snowfall days, and 16.14" (410mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 7:20 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:38 pm MDT.
Sunshine
In April, the average sunshine is 9.7h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Castleford?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Castleford have in April?
When are sunrise and sunset in April in Castleford?
How many hours of sunshine does Castleford have in April?
How high is the UV index in April?
Average temperature in April
Castleford, ID
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in April
Castleford, ID
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Castleford, ID
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).
Average humidity in April
Castleford, ID
- Average humidity in April: 51%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (27%).
Average rainfall in April
Castleford, ID
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is January (1.18").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Castleford, ID
- Average rainfall days in April: 9.3 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in April
Castleford, ID
- Average snowfall in April: 0.63"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Castleford, ID
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Castleford, ID
- 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 6min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Castleford, ID
- Average sunshine days in April: 18.9 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in April
Castleford, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Castleford, ID
- Average cloud cover in April: 28
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in April
Castleford, ID
- 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).
Castleford, Idaho, USA
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