April weather forecastPreston, ID
April
Weather in April
Moving into the fourth month, the weather in Preston, Idaho transforms considerably. Daytime temperatures continue their steady ascent, and this warmer trend coupled with a dip in humidity injects vibrancy into the crisp spring air. The transition from snow to rain is practically complete, further propelling the spring bloom. Alongside, visibility conditions improve visibly, enhancing the overall outdoor experience. As fewer snowfall days make way for rainfall, the city embodies the quintessential April climate.Temperature
The start of April in Preston signals a slight increase in the average high-temperature, moving from a wintry 41°F (5°C) in March to a frosty 49.8°F (9.9°C). During April, Preston consistently records a temperature low averaging a freezing cold 30.6°F (-0.8°C).Humidity
In Preston, the average relative humidity in April is 67%.Rainfall
In April, the rain falls for 16.6 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 6.5 days. Throughout April, 2.8" (71mm) of snow is accumulated. Throughout the year, in Preston, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.Daylight
In Preston, the average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 7:08 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:25 pm MDT.
Sunshine
In Preston, the average sunshine in April is 9.7h.UV index
In Preston, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in April leads to these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Guard yourself! Snow reflection 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
Preston, ID
- Average high temperature in April: 49.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Preston, ID
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Preston, ID
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in April
Preston, ID
- Average humidity in April: 67%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Preston, ID
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Preston, ID
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in April
Preston, ID
- Average snowfall in April: 2.8"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Preston, ID
- Average snowfall days in April: 6.5 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Preston, ID
- 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: 9h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Preston, ID
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in April
Preston, ID
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Preston, ID
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in April
Preston, ID
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
