April weather forecastSierra Vista, CA
April
Weather in April
April in Sierra Vista, California, is a moderately hot spring month, with an average temperature fluctuating between 73.4°F (23°C) and 49.6°F (9.8°C).Temperature
As Sierra Vista transitions into April, the average high-temperature is observed to slightly rise from an enjoyable 66.7°F (19.3°C) in March to a warm 73.4°F (23°C). Sierra Vista documents a substantial deviation from daytime highs with a consistent low-temperature of 49.6°F (9.8°C) during April nights.Humidity
The average relative humidity in April in Sierra Vista, California, is 56%.Rainfall
In Sierra Vista, in April, it is raining for 6.8 days, with typically 0.63" (16mm) of accumulated precipitation. In Sierra Vista, during the entire year, the rain falls for 51 days and collects up to 7.56" (192mm) of precipitation.Daylight
In April, the average length of the day is 13h and 11min.On the first day of April, sunrise is at 6:45 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:50 pm PDT.
Sunshine
In Sierra Vista, the average sunshine in April is 10.7h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during April leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sierra Vista, CA
- Average high temperature in April: 73.4°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in April: 49.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in April
Sierra Vista, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Sierra Vista, CA
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in April
Sierra Vista, CA
- Average humidity in April: 56%
The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).
Average rainfall in April
Sierra Vista, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in April
Sierra Vista, CA
- Average rainfall days in April: 6.8 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).
Average daylight in April /
Average sunshine in April
Sierra Vista, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 10h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in April
Sierra Vista, CA
- Average sunshine days in April: 23.3 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in April
Sierra Vista, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Sierra Vista, CA
- Average cloud cover in April: 22
The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).
Average visibility in April
Sierra Vista, 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).





