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
With the start of April, the average high-temperature marginally shifts from March's comfortable 63.1°F (17.3°C) to an agreeable 69.4°F (20.8°C). During April, Helendale sees a mean low-temperature of 48.4°F (9.1°C).Humidity
In April, the average relative humidity in Helendale is 41%.Rainfall
In Helendale, in April, it is raining for 4.5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 44.8 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Snowfall
January, February, April, November and December are months with snowfall in Helendale. April is the first month it typically snows in Helendale. 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 April, the average length of the day is 13h and 5min.On the first day of April in Helendale, sunrise is at 6:34 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:33 pm PDT.
Sunshine
In April, the average sunshine in Helendale is 11.5h.UV index
In April, the average daily maximum UV index in Helendale is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during April translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Helendale in April?
What is the average humidity in April in Helendale?
How many days does it rain in April in Helendale?
When does it start to snow in Helendale?
What is the average length of the day in April in Helendale?
When are sunrise and sunset in April in Helendale?
How long on average sun shines in April in Helendale?
What is the UV index intensity in April in Helendale?
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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