April weather forecastShasta Lake, CA

April

Weather in April

April is a comfortable spring month in Shasta Lake, California, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 63.3°F (17.4°C).

Temperature

Shasta Lake in April observes a minor temperature shift, with average high-temperatures adjusting from a refreshing 55.6°F (13.1°C) in March to a comfortable 63.3°F (17.4°C). During the month of April, the temperature in Shasta Lake, California, falls to an average of 41.7°F (5.4°C).

Humidity

In April, the average relative humidity is 66%.

Rainfall

In Shasta Lake, California, during April, the rain falls for 12.1 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Shasta Lake, California, during the entire year, the rain falls for 99.5 days and collects up to 30.43" (773mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In April, the average length of the day is 13h and 20min.
On the first day of April, sunrise is at 6:51 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:05 pm PDT.

Sunshine

The average sunshine in April in Shasta Lake, California, is 10.2h.

UV index

The average daily maximum UV index in April in Shasta Lake is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Shasta Lake during April are 63.3°F (17.4°C) and 41.7°F (5.4°C) respectively.

In April, the average relative humidity is 66%.

In Shasta Lake, in April, during 12.1 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

In Shasta Lake, California, snow does not fall in April through October.

In April, it doesn't snow. March is the latest month when it typically snows.

In April, the average day length in Shasta Lake is 13h and 20min.

In April, on the first day of the month, sunrise is at 6:51 am and sunset at 7:34 pm. On the last day of the month, in Shasta Lake, California, sunrise is at 6:08 am and sunset at 8:05 pm PDT.

In April, the average sunshine duration in Shasta Lake is 10.2h.

In April, the average daily maximum UV index in Shasta Lake is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Shasta Lake, CA

  • Average high temperature in April: 63.3°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in April: 41.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).

Average pressure in April
Shasta Lake, CA

  • Average pressure in April: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in April
Shasta Lake, CA

  • Average wind speed in April: 5.2mph

The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).

Average humidity in April
Shasta Lake, CA

  • Average humidity in April: 66%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).

Average rainfall in April
Shasta Lake, CA

  • Average rainfall in April: 2.32"

The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in April
Shasta Lake, CA

  • Average rainfall days in April: 12.1 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).

Average snowfall in April
Shasta Lake, CA

  • Average snowfall in April: 0"

The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Shasta Lake, CA

  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in April /
Average sunshine in April
Shasta Lake, CA

  • Average daylight in April: 13h and 18min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 10h and 12min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in April
Shasta Lake, CA

  • Average sunshine days in April: 16 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).

Average UV index in April
Shasta Lake, CA

  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in April
Shasta Lake, CA

  • Average cloud cover in April: 30

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in April
Shasta Lake, 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).