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
With the onset of April, the average high-temperature registers at a still pleasant 70.9°F (21.6°C), subtly different from March's 69.6°F (20.9°C). Night temperatures during April stabilize at an average of 64.9°F (18.3°C), closely mirroring the daytime temperatures.Humidity
In April, the average relative humidity is 79%.Rainfall
In Mountain View, in April, it is raining for 21.3 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Mountain View, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.Daylight
In Mountain View, Hawaii, the average length of the day in April is 12h and 37min.On the first day of the month, sunrise is at 6:13 am and sunset at 6:34 pm. On the last day of April, in Mountain View, sunrise is at 5:51 am and sunset at 6:43 pm HST.
Sunshine
In April, the average sunshine is 8.8h.UV index
January through April, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April in Mountain View?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Mountain View have in April?
When is the lowest UV index?
What is the UV index intensity in April?
Average temperature in April
Mountain View, HI
- Average high temperature in April: 70.9°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in April: 64.9°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in April
Mountain View, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Mountain View, HI
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in April
Mountain View, HI
- Average humidity in April: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in April
Mountain View, HI
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in April
Mountain View, HI
- Average rainfall days in April: 21.3 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight in April /
Average sunshine in April
Mountain View, HI
- Average daylight in April: 12h and 4min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Mountain View, HI
- Average sunshine days in April: 1.9 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in April
Mountain View, HI
- Average UV index in April: 5
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in April
Mountain View, HI
- Average cloud cover in April: 38
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Mountain View, HI
- 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).
Mountain View, Hawaii, USA
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