April weather forecastGlen Arbor, CA
April
Weather in April
April, like March, in Glen Arbor, California, is another refreshing spring month, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 46.9°F (8.3°C).Temperature
With the transition into April, Glen Arbor notes an average high-temperature of a still comfortable 63.3°F (17.4°C), closely resembling March. Glen Arbor's average low-temperature for the month of April records at a frosty 46.9°F (8.3°C).Humidity
In Glen Arbor, the average relative humidity in April is 72%.Rainfall
In Glen Arbor, during April, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 72.5 rainfall days, and 13.58" (345mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 11min.On the first day of April in Glen Arbor, sunrise is at 6:52 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:57 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In Glen Arbor, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during April translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Glen Arbor, CA
- Average high temperature in April: 63.3°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in April
Glen Arbor, CA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in April
Glen Arbor, CA
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Glen Arbor, CA
- Average humidity in April: 72%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Glen Arbor, CA
- Average rainfall in April: 0.87"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Glen Arbor, CA
- Average rainfall days in April: 8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in April /
Average sunshine in April
Glen Arbor, 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 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Glen Arbor, CA
- Average sunshine days in April: 21.1 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in April
Glen Arbor, CA
- Average UV index in April: 4
The months with the highest UV index are June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in April
Glen Arbor, CA
- Average cloud cover in April: 29
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in April
Glen Arbor, 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).





