April weather forecast
San Lorenzo, CA

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Weather in April

April, the same as March, is another comfortable spring month in San Lorenzo, California, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 46.8°F (8.2°C).

Temperature

San Lorenzo notes an average high-temperature of a still enjoyable 65.8°F (18.8°C) in April, hardly diverging from March. During April, an average low-temperature of 46.8°F (8.2°C) is observed.

Humidity

In April, the average relative humidity is 70%.

Rainfall

In San Lorenzo, during April, the rain falls for 6.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. In San Lorenzo, during the entire year, the rain falls for 56.9 days and collects up to 4.06" (103mm) of precipitation.

Daylight

In April, the average length of the day is 13h and 12min.
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 6:12 am and sunset at 7:58 pm PDT.

Sunshine

The average sunshine in April is 10.5h.

UV index

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in April transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the average April temperature in San Lorenzo?

The high-temperature, in April, in San Lorenzo, records 65.8°F (18.8°C), while the low-temperature is 46.8°F (8.2°C).

What is the average humidity in April?

The average relative humidity in April is 70%.

How much does it rain in April?

In April, the rain falls for 6.2 days. Throughout April, 0.2" (5mm) of precipitation is accumulated.

How many hours of daylight does San Lorenzo have in April?

The average day length in April is 13h and 12min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:52 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:58 pm PDT.

How many hours of sunshine does San Lorenzo have in April?

In April, the average sunshine duration is 10.5h.

How high is the UV index in April?

In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
San Lorenzo, CA

Average temperature in April - San Lorenzo, CA
  • Average high temperature in April: 65.8°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in April: 46.8°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).

Average pressure in April
San Lorenzo, CA

Average pressure in April - San Lorenzo, CA
  • Average pressure in April: 30.03"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in April
San Lorenzo, CA

Average wind speed in April - San Lorenzo, CA
  • Average wind speed in April: 6.4mph

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in April
San Lorenzo, CA

Average humidity in April - San Lorenzo, CA
  • Average humidity in April: 70%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).

Average rainfall in April
San Lorenzo, CA

Average rainfall in April - San Lorenzo, CA
  • Average rainfall in April: 0.2"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July and August (0.04").

Average rainfall days in April
San Lorenzo, CA

Average rainfall days in April - San Lorenzo, CA
  • Average rainfall days in April: 6.2 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).

Average daylight in April /
Average sunshine in April
San Lorenzo, CA

Average daylight in April / Average sunshine in April - San Lorenzo, 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 3min

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 54min).

Average sunshine days in April
San Lorenzo, CA

Average sunshine days in April - San Lorenzo, CA
  • Average sunshine days in April: 22.3 days

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).

Average UV index in April
San Lorenzo, CA

Average UV index in April - San Lorenzo, CA
  • Average UV index in April: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in April
San Lorenzo, CA

Average cloud cover in April - San Lorenzo, CA
  • Average cloud cover in April: 26

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in April
San Lorenzo, CA

Average visibility in April - San Lorenzo, 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).

San Lorenzo, California, USA

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