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
In April, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 61.3°F (16.3°C) in March to a still enjoyable 66.9°F (19.4°C). The nighttime temperature dips to a frosty 45.7°F (7.6°C) on average during April.Humidity
In April, the average relative humidity is 47%.Rainfall
In Lake Arrowhead, California, during April, the rain falls for 4.9 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 42.2 rainfall days, and 5.55" (141mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall is April, when snow falls for 1.9 days and typically aggregates up to 4.09" (104mm) of snow.Daylight
In April, the average length of the day is 13h and 4min.On the first day of April, sunrise is at 6:34 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:32 pm PDT.
Sunshine
In April, the average sunshine in Lake Arrowhead, California, is 11.4h.UV index
In Lake Arrowhead, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During April, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April in Lake Arrowhead?
How much does it rain in April?
What is the snowiest month?
How many days does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Lake Arrowhead, CA
- Average high temperature in April: 66.9°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in April
Lake Arrowhead, CA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Lake Arrowhead, CA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in April
Lake Arrowhead, CA
- Average humidity in April: 47%
The months with the highest relative humidity are February and December (52%).
The month with the lowest relative humidity is August (32%).
Average rainfall in April
Lake Arrowhead, CA
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Lake Arrowhead, CA
- Average rainfall days in April: 4.9 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in April
Lake Arrowhead, CA
- Average snowfall in April: 4.09"
The month with the highest snowfall is April (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Lake Arrowhead, CA
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Lake Arrowhead, CA
- Average daylight in April: 13h and 1min
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 2min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Lake Arrowhead, CA
- Average sunshine days in April: 23.3 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in April
Lake Arrowhead, CA
- Average UV index in April: 5
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 3).
Average cloud cover in April
Lake Arrowhead, CA
- Average cloud cover in April: 16
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in April
Lake Arrowhead, 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).
Lake Arrowhead, California, USA
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