April weather forecast
Spring Valley, CA

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Weather in April

April in Spring Valley, California, is a pleasant spring month, with an average temperature fluctuating between 51.4°F (10.8°C) and 69.8°F (21°C).

Temperature

Spring Valley, California, marks the start of April with an average high-temperature of a pleasant 69.8°F (21°C), hinting at a slight fluctuation from March's 67.5°F (19.7°C). In Spring Valley, the April nights cool down to an average low of 51.4°F (10.8°C).

Humidity

In Spring Valley, the average relative humidity in April is 64%.

Rainfall

In Spring Valley, during April, the rain falls for 4.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Spring Valley, during the entire year, the rain falls for 33 days and collects up to 2.52" (64mm) of precipitation.

Daylight

In Spring Valley, the average length of the day in April 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 10.8h.

UV index

In Spring Valley, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In April, the UV index of 5 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

In Spring Valley, in April, the average high-temperature is 69.8°F (21°C), and the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in April in Spring Valley?

In Spring Valley, the average relative humidity in April is 64%.

How many days does it rain in April?

In April, the rain falls for 4.2 days. Throughout April, 0.2" (5mm) of precipitation is accumulated.

What is the average length of the day in April?

In April, the average day length is 13h and 1min.

When are sunrise and sunset in April?

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.

How long on average sun shines in April?

In April, the average sunshine duration is 10.8h.

How high is the UV index in April?

In Spring Valley, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Spring Valley, CA

Average temperature in April - Spring Valley, CA
  • Average high temperature in April: 69.8°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

  • Average low temperature in April: 51.4°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

Average pressure in April
Spring Valley, CA

Average pressure in April - Spring Valley, CA
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in April
Spring Valley, CA

Average wind speed in April - Spring Valley, CA
  • Average wind speed in April: 5.6mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

Average humidity in April
Spring Valley, CA

Average humidity in April - Spring Valley, CA
  • Average humidity in April: 64%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).

Average rainfall in April
Spring Valley, CA

Average rainfall in April - Spring Valley, CA
  • Average rainfall in April: 0.2"

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").

Average rainfall days in April
Spring Valley, CA

Average rainfall days in April - Spring Valley, CA
  • Average rainfall days in April: 4.2 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).

Average daylight in April /
Average sunshine in April
Spring Valley, CA

Average daylight in April / Average sunshine in April - Spring Valley, 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 months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in April
Spring Valley, CA

Average sunshine days in April - Spring Valley, CA
  • Average sunshine days in April: 26.7 days

The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).

Average UV index in April
Spring Valley, CA

Average UV index in April - Spring Valley, 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
Spring Valley, CA

Average cloud cover in April - Spring Valley, CA
  • Average cloud cover in April: 21

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in April
Spring Valley, CA

Average visibility in April - Spring Valley, 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).

Spring Valley, California, USA

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