April weather forecastSierra Heights, CA
April
Weather in April
April is a pleasant spring month in Sierra Heights, California, with an average temperature fluctuating between 49.6°F (9.8°C) and 72°F (22.2°C).Temperature
The introduction of April notes a subtle temperature variation to a pleasant 72°F (22.2°C) from March's 66.7°F (19.3°C). Despite drastic daily temperature oscillations, Sierra Heights cools down to an average low-temperature of 49.6°F (9.8°C) in April.Humidity
In Sierra Heights, the average relative humidity in April is 50%.Rainfall
In April, the rain falls for 5.4 days. Throughout April, 0.63" (16mm) of precipitation is accumulated. In Sierra Heights, during the entire year, the rain falls for 48.1 days and collects up to 6.89" (175mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In April, the average length of the day is 13h and 4min.On the first day of April in Sierra Heights, sunrise is at 6:35 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:33 pm PDT.
Sunshine
The average sunshine in April is 11.3h.UV index
In April, the average daily maximum UV index in Sierra Heights is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sierra Heights, CA
- Average high temperature in April: 72°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is December (60.8°F).
- Average low temperature in April: 49.6°F
The month with the highest average low temperature is August (67.3°F).
The coldest months (with the lowest average low temperature) are February and December (44.2°F).
Average pressure in April
Sierra Heights, CA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Sierra Heights, CA
- Average wind speed in April: 6mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in April
Sierra Heights, CA
- Average humidity in April: 50%
The months with the highest relative humidity are February, March and May (52%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Sierra Heights, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is February (1.57").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Sierra Heights, CA
- Average rainfall days in April: 5.4 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in April
Sierra Heights, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Sierra Heights, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 11h and 18min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Sierra Heights, CA
- Average sunshine days in April: 24.3 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in April
Sierra Heights, CA
- Average UV index in April: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Sierra Heights, CA
- Average cloud cover in April: 17
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in April
Sierra Heights, CA
- 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).
