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
The average high-temperature mildly increases in April, edging from a refreshing 63.1°F (17.3°C) in March to a pleasant 69.4°F (20.8°C). April nights observe an average temperature dip to a frosty 48.4°F (9.1°C).Humidity
The average relative humidity in April is 41%.Rainfall
In April, the rain falls for 4.5 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. In Helendale, during the entire year, the rain falls for 44.8 days and collects up to 4.8" (122mm) of precipitation.Snowfall
Months with snowfall are January, February, April, November and December. April is the first month it typically snows. Throughout April, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2.1 snowfall days, and 3.78" (96mm) of snow is accumulated.Daylight
In Helendale, the average length of the day in April is 13h and 5min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:33 pm PDT.
Sunshine
The average sunshine in April is 11.5h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in April translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
When does it start to snow in Helendale?
How many hours of daylight does Helendale have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Helendale have in April?
What is the UV index intensity in April?
Average temperature in April
Helendale, CA
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in April: 48.4°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in April
Helendale, CA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Helendale, CA
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is May (10.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in April
Helendale, CA
- Average humidity in April: 41%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (27%).
Average rainfall in April
Helendale, CA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Helendale, CA
- Average rainfall days in April: 4.5 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in April
Helendale, CA
- Average snowfall in April: 0.04"
The month with the highest snowfall is November (1.73").
The months with the least snowfall are March, May, June, July, August, September and October (0").
Average snowfall days in April
Helendale, CA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Helendale, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 11h and 3min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in April
Helendale, CA
- Average sunshine days in April: 25.3 days
The month with the most sunshine days is June (28.9 days).
The month with the least sunshine days is February (22.4 days).
Average UV index in April
Helendale, 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
Helendale, CA
- Average cloud cover in April: 14
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 5).
Average visibility in April
Helendale, 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).
Helendale, California, USA
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