April weather forecastNampa, ID
April
Weather in April
Bidding goodbye to March's dampness, drier conditions hallmark April in Nampa. The doorway to summer gets widened with spring at its peak, leading to warmer days and cooler nights. Blossoming flora is a treat for sightseeing and photography during this month. The increased daylight duration of 13.5 hours compared to the 12 hours in March also offers ample opportunities for outdoor daytime activities. In essence, April delivers delightful weather for residents and visitors alike making the most of the shift towards summer.Temperature
The commencement of April in Nampa sees a minor shift in the average high-temperature, moving from a cool 52.7°F (11.5°C) in March to a refreshing 60.4°F (15.8°C). Nampa encounters a steady low-temperature average of 40.6°F (4.8°C) throughout the month of April.Humidity
In April, the average relative humidity in Nampa is 51%.Rainfall
In Nampa, during April, the rain falls for 11.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Nampa, there are 98.5 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Nampa. April is the last month it regularly snows. During 0.3 snowfall days, in April, Nampa aggregates 0.31" (8mm) of snow. In Nampa, during the entire year, snow falls for 22.5 days and aggregates up to 10.55" (268mm) of snow.Daylight
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 8:13 pm. On the last day of April, sunrise is at 6:38 am and sunset at 8:47 pm MDT.
Sunshine
In Nampa, the average sunshine in April is 9.5h.UV index
In April, the average daily maximum UV index in Nampa is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 4 in April transforms into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nampa, ID
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in April
Nampa, ID
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Nampa, ID
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in April
Nampa, ID
- Average humidity in April: 51%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in April
Nampa, ID
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.46").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in April
Nampa, ID
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in April
Nampa, ID
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Nampa, ID
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is December (6.6 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
Nampa, ID
- Average daylight in April: 13h and 30min
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 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in April
Nampa, ID
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (14 days).
Average UV index in April
Nampa, ID
- Average UV index in April: 4
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
Nampa, ID
- Average cloud cover in April: 29
The months with the most cloud cover are January and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
Nampa, 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).
