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
April's arrival in Caldwell brings a slight change in high-temperatures, adjusting from a fresh 52.3°F (11.3°C) in March to a refreshing 59.9°F (15.5°C). Nighttime temperatures consistently average a wintry 40.6°F (4.8°C) during April.Humidity
The average relative humidity in April in Caldwell is 52%.Rainfall
In April, the rain falls for 11.7 days. Throughout April, 0.83" (21mm) of precipitation is accumulated. In Caldwell, during the entire year, the rain falls for 103.7 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Caldwell aggregates 0.24" (6mm) of snow. Throughout the year, there are 22.2 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
In Caldwell, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 7:26 am and sunset at 8:14 pm. On the last day of April, in Caldwell, sunrise is at 6:39 am and sunset at 8:48 pm MDT.
Sunshine
In April, the average sunshine is 9.6h.UV index
The average daily maximum UV index in April in Caldwell is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in April transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are April temperatures in Caldwell?
What is the average humidity in April in Caldwell?
How much does it rain in Caldwell in April?
What is the last month it snows in Caldwell?
What is the average length of the day in April in Caldwell?
When are sunrise and sunset in April in Caldwell?
How many hours of sunshine does Caldwell have in April?
What is the UV index reading in April in Caldwell?
Average temperature in April
Caldwell, ID
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in April
Caldwell, ID
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in April
Caldwell, ID
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in April
Caldwell, ID
- Average humidity in April: 52%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (29%).
Average rainfall in April
Caldwell, ID
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.38").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Caldwell, ID
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in April
Caldwell, ID
- Average snowfall in April: 0.24"
The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Caldwell, ID
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is December (7.2 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
Caldwell, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in April
Caldwell, ID
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in April
Caldwell, 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
Caldwell, ID
- Average cloud cover in April: 29
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 8).
Average visibility in April
Caldwell, 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).
Caldwell, Idaho, USA
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