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
The onset of April brings with it an average high-temperature of a still comfortable 67.6°F (19.8°C), showing a negligible variation from the month before. Marked by a significant drop from the daytime highs, Blackhawk's average low-temperature in April stands at a frosty 45.3°F (7.4°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Blackhawk, in April, during 6.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 67.2 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Daylight
In Blackhawk, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:11 am and sunset at 7:57 pm PDT.
Sunshine
The average sunshine in April is 10.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 5 in April leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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 Blackhawk?
What is the average length of the day in April?
What time are sunrise and sunset in April in Blackhawk?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Blackhawk, CA
- Average high temperature in April: 67.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in April: 45.3°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in April
Blackhawk, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
Blackhawk, CA
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in April
Blackhawk, CA
- Average humidity in April: 69%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).
Average rainfall in April
Blackhawk, CA
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0").
Average rainfall days in April
Blackhawk, CA
- Average rainfall days in April: 6.9 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).
Average daylight in April /
Average sunshine in April
Blackhawk, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Blackhawk, CA
- Average sunshine days in April: 22.4 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in April
Blackhawk, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Blackhawk, CA
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in April
Blackhawk, 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).
Blackhawk, California, USA
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