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
Ketchum's transition into April sees a mild rise in the average high-temperature, edging from 32.2°F (0.1°C) in March to a still icy 39.9°F (4.4°C). During April, Ketchum's temperature falls to a steady low-temperature average of 23.4°F (-4.8°C).Humidity
The average relative humidity in April is 75%.Rainfall
In April, the rain falls for 11.9 days. Throughout April, 1.5" (38mm) of precipitation is accumulated. In Ketchum, during the entire year, the rain falls for 107.7 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Ketchum. In April, in Ketchum, it is snowing for 10.6 days. Throughout April, 5.83" (148mm) of snow is accumulated. In Ketchum, during the entire year, snow falls for 88.2 days and aggregates up to 69.45" (1764mm) of snow.Daylight
In Ketchum, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:04 pm. On the last day of April, sunrise is at 6:29 am and sunset at 8:39 pm MDT.
Sunshine
The average sunshine in April in Ketchum is 9.6h.UV index
In April, the average daily maximum UV index in Ketchum is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is April in Ketchum?
What is the average humidity in April in Ketchum?
How many days does it rain in April in Ketchum?
How many days does it snow in April in Ketchum?
What is the average length of the day in April in Ketchum?
When is the sunrise / sunset in April in Ketchum?
How long on average sun shines in April in Ketchum?
What is the UV index reading in April in Ketchum?
Average temperature in April
Ketchum, ID
- Average high temperature in April: 39.9°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in April: 23.4°F
The months with the highest average low temperature are July and August (50.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in April
Ketchum, ID
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Ketchum, ID
- Average wind speed in April: 5.9mph
The windiest month (with the highest average wind speed) is July (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in April
Ketchum, ID
- Average humidity in April: 75%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (37%).
Average rainfall in April
Ketchum, ID
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Ketchum, ID
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in April
Ketchum, ID
- Average snowfall in April: 5.83"
The month with the highest snowfall is February (15").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Ketchum, ID
- Average snowfall days in April: 10.6 days
The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Ketchum, ID
- Average daylight in April: 13h and 3min
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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in April
Ketchum, ID
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is April (11.1 days).
Average UV index in April
Ketchum, ID
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in April
Ketchum, ID
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in April
Ketchum, 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).
Ketchum, Idaho, USA
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