April weather forecast
Rubidoux, CA

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Weather in April

April, like March, is an agreeable spring month in Rubidoux, California, with an average temperature ranging between max 73°F (22.8°C) and min 50.5°F (10.3°C).

Temperature

In April, Rubidoux notes an average high-temperature of a still pleasant 73°F (22.8°C), hardly different from the preceding month. A noteworthy thermal contrast characterizes Rubidoux's April nights, with temperatures averaging at a fresh 50.5°F (10.3°C).

Humidity

In April, the average relative humidity is 53%.

Rainfall

In Rubidoux, in April, it is raining for 5.8 days, with typically 0.63" (16mm) of accumulated precipitation. In Rubidoux, during the entire year, the rain falls for 49 days and collects up to 7.32" (186mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In Rubidoux, the average length of the day in April is 13h and 4min.
On the first day of April, sunrise is at 6:35 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:33 pm PDT.

Sunshine

In April, the average sunshine is 11h.

UV index

In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the maximum UV index of 5 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rubidoux in April?

The average high-temperature, in April, in Rubidoux, is 73°F (22.8°C), while the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in April?

The average relative humidity in April in Rubidoux, California, is 53%.

How many days does it rain in April?

In April, the rain falls for 5.8 days. Throughout April, 0.63" (16mm) of precipitation is accumulated.

When it does not snow?

January, March through December are months without snowfall.

How many hours of daylight does Rubidoux have in April?

In Rubidoux, California, the average day length in April is 13h and 4min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:35 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:33 pm PDT.

How long on average sun shines in April in Rubidoux?

In April, the average sunshine duration is 11h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Rubidoux, CA

Average temperature in April - Rubidoux, CA
  • Average high temperature in April: 73°F

The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (63.3°F).

  • Average low temperature in April: 50.5°F

The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).

Average pressure in April
Rubidoux, CA

Average pressure in April - Rubidoux, CA
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in April
Rubidoux, CA

Average wind speed in April - Rubidoux, CA
  • Average wind speed in April: 5.5mph

The windiest month (with the highest average wind speed) is May (5.6mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

Average humidity in April
Rubidoux, CA

Average humidity in April - Rubidoux, CA
  • Average humidity in April: 53%

The month with the highest relative humidity is May (56%).
The month with the lowest relative humidity is August (43%).

Average rainfall in April
Rubidoux, CA

Average rainfall in April - Rubidoux, CA
  • Average rainfall in April: 0.63"

The wettest months (with the highest rainfall) are February and December (1.61").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in April
Rubidoux, CA

Average rainfall days in April - Rubidoux, CA
  • Average rainfall days in April: 5.8 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.1 days).

Average snowfall days in April
Rubidoux, CA

Average snowfall days in April - Rubidoux, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in April /
Average sunshine in April
Rubidoux, CA

Average daylight in April / Average sunshine in April - Rubidoux, CA
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).

Average sunshine days in April
Rubidoux, CA

Average sunshine days in April - Rubidoux, CA
  • Average sunshine days in April: 23.6 days

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in April
Rubidoux, CA

Average UV index in April - Rubidoux, CA
  • Average UV index in April: 5

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in April
Rubidoux, CA

Average cloud cover in April - Rubidoux, CA
  • Average cloud cover in April: 20

The months with the most cloud cover are February and March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in April
Rubidoux, CA

Average visibility in April - Rubidoux, 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).

Rubidoux, California, USA

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