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 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
Los Altos Hills's shift into April sets the average high-temperature at an enjoyable 62.2°F (16.8°C), a figure that deviates only slightly from March's 59.5°F (15.3°C). Los Altos Hills observes an average nighttime low-temperature of 48.2°F (9°C) during the month of April.Humidity
In April, the average relative humidity is 74%.Rainfall
In Los Altos Hills, during April, the rain falls for 5.8 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, in Los Altos Hills, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.Daylight
In April, the average length of the day in Los Altos Hills is 13h and 11min.On the first day of April, 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 in Los Altos Hills is 10.4h.UV index
In Los Altos Hills, California, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the usual temperature for Los Altos Hills in April?
What is the average humidity in April in Los Altos Hills?
How many days does it rain in April in Los Altos Hills?
What is the average length of the day in April in Los Altos Hills?
When is the sunrise / sunset in April in Los Altos Hills?
How many hours of sunshine does Los Altos Hills have in April?
What is the UV index reading in April in Los Altos Hills?
Average temperature in April
Los Altos Hills, CA
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in April: 48.2°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).
Average pressure in April
Los Altos Hills, 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
Los Altos Hills, CA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Los Altos Hills, CA
- Average humidity in April: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Los Altos Hills, CA
- Average rainfall in April: 0.24"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Los Altos Hills, CA
- Average rainfall days in April: 5.8 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).
Average daylight in April /
Average sunshine in April
Los Altos Hills, CA
- Average daylight in April: 13h and 1min
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 36min).
- Average sunshine in April: 10h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in April
Los Altos Hills, CA
- Average sunshine days in April: 22.2 days
The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in April
Los Altos Hills, CA
- Average UV index in April: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in April
Los Altos Hills, CA
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Los Altos Hills, 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).
Los Altos Hills, California, USA
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