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
Bostonia registers an average high-temperature of a pleasant 70°F (21.1°C) with the arrival of April, showing minor deviation from the preceding month. During the nights in April, an average low-temperature of 50.7°F (10.4°C) is observed.Humidity
The average relative humidity in April is 63%.Rainfall
In Bostonia, during April, the rain falls for 6.7 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 56.1 rainfall days, and 8.27" (210mm) of precipitation is accumulated.Daylight
In April, the average length of the day is 13h and 1min.On the first day of April, sunrise is at 6:34 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:29 pm PDT.
Sunshine
In April, the average sunshine is 10.9h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 5 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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?
How many days does it rain in April?
How many hours of daylight does Bostonia have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Bostonia have in April?
What is the UV index intensity in April?
Average temperature in April
Bostonia, CA
- Average high temperature in April: 70°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in April: 50.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).
Average pressure in April
Bostonia, CA
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in April
Bostonia, CA
- Average wind speed in April: 5.5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).
Average humidity in April
Bostonia, CA
- Average humidity in April: 63%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).
Average rainfall in April
Bostonia, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Bostonia, CA
- Average rainfall days in April: 6.7 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).
Average daylight in April /
Average sunshine in April
Bostonia, CA
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Bostonia, CA
- Average sunshine days in April: 23.2 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).
Average UV index in April
Bostonia, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in April
Bostonia, CA
- Average cloud cover in April: 20
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Bostonia, 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).
Bostonia, California, USA
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