April weather forecastNew Castle, CO
April
Weather in April
April is a chilly spring month in New Castle, Colorado, with an average temperature ranging between max 49.1°F (9.5°C) and min 30°F (-1.1°C).Temperature
April comes with a subtle rise, with the average high-temperature adjusting from a wintry 41.7°F (5.4°C) in March to a chilly 49.1°F (9.5°C). April brings with it a nighttime average temperature of 30°F (-1.1°C).Humidity
In April, the average relative humidity is 63%.Rainfall
The month with the most rainfall is April, when the rain falls for 14 days and typically aggregates up to 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In New Castle, in April, snow falls for 5.3 days, with typically accumulated 3.19" (81mm) of snow. In New Castle, Colorado, during the entire year, snow falls for 58.6 days and aggregates up to 36.85" (936mm) of snow.Daylight
The average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 6:52 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:03 pm MDT.
Sunshine
In New Castle, the average sunshine in April is 10.7h.UV index
In New Castle, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To protect against the Sun's most potent rays, avoid direct exposure around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
New Castle, CO
- Average high temperature in April: 49.1°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 (30.6°F).
- Average low temperature in April: 30°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in April
New Castle, CO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).
Average wind speed in April
New Castle, CO
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.1mph).
Average humidity in April
New Castle, CO
- Average humidity in April: 63%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is June (43%).
Average rainfall in April
New Castle, CO
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in April
New Castle, CO
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is June (5.9 days).
Average snowfall in April
New Castle, CO
- Average snowfall in April: 3.19"
The month with the highest snowfall is February (8.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
New Castle, CO
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
New Castle, CO
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 10h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in April
New Castle, CO
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is June (20.7 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in April
New Castle, CO
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
New Castle, CO
- Average cloud cover in April: 28
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in April
New Castle, CO
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
