April weather forecast
Rowland Heights, CA

Weather in April

April is a moderately hot spring month in Rowland Heights, California, with an average temperature fluctuating between 73.6°F (23.1°C) and 53.2°F (11.8°C).

Temperature

In Rowland Heights, the average high-temperature in April is essentially the same as in March - a warm 73.6°F (23.1°C). In April, in Rowland Heights, the average low-temperature is 53.2°F (11.8°C).

Humidity

The average relative humidity in April in Rowland Heights is 55%.

Rainfall

In Rowland Heights, California, in April, it is raining for 5.2 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Rowland Heights, there are 43.8 rainfall days, and 7.01" (178mm) of precipitation is accumulated.

Daylight

In Rowland Heights, the average length of the day in April is 13h and 4min.
On the first day of April in Rowland Heights, sunrise is at 6:38 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:34 pm PDT.

Sunshine

The average sunshine in April in Rowland Heights is 11h.

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 exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Rowland Heights?

In April, in Rowland Heights, California, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in April in Rowland Heights?

In Rowland Heights, California, the average relative humidity in April is 55%.

How many days does it rain in April in Rowland Heights?

In April, in Rowland Heights, California, the rain falls for 5.2 days. Throughout April, 0.55" (14mm) of precipitation is accumulated.

How many hours of daylight does Rowland Heights have in April?

The average day length in April in Rowland Heights, California, is 13h and 4min.

When is the sunrise / sunset in April in Rowland Heights?

On the first day of April in Rowland Heights, sunrise is at 6:38 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:34 pm PDT.

How long on average sun shines in April in Rowland Heights?

The average sunshine duration in April in Rowland Heights is 11h.

What is the UV index intensity in April in Rowland Heights?

In Rowland Heights, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Rowland Heights, CA

Average temperature in April - Rowland Heights, CA
  • Average high temperature in April: 73.6°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is December (64.9°F).

  • Average low temperature in April: 53.2°F

The month with the highest average low temperature is August (66.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

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Average pressure in April
Rowland Heights, CA

Average pressure in April - Rowland Heights, CA
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in April
Rowland Heights, CA

Average wind speed in April - Rowland Heights, CA
  • Average wind speed in April: 5.8mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).

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Average humidity in April
Rowland Heights, CA

Average humidity in April - Rowland Heights, CA
  • Average humidity in April: 55%

The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in April
Rowland Heights, CA

Average rainfall in April - Rowland Heights, CA
  • Average rainfall in April: 0.55"

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

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Average rainfall days in April
Rowland Heights, CA

Average rainfall days in April - Rowland Heights, CA
  • Average rainfall days in April: 5.2 days

The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1.1 days).

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Average daylight in April /
Average sunshine in April
Rowland Heights, CA

Average daylight in April / Average sunshine in April - Rowland Heights, CA
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in April: 11h and 0min

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 48min).

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Average sunshine days in April
Rowland Heights, CA

Average sunshine days in April - Rowland Heights, CA
  • Average sunshine days in April: 24.1 days

The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in April
Rowland Heights, CA

Average UV index in April - Rowland Heights, CA
  • Average UV index in April: 5

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in April
Rowland Heights, CA

Average cloud cover in April - Rowland Heights, CA
  • Average cloud cover in April: 19

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in April
Rowland Heights, CA

Average visibility in April - Rowland Heights, 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).

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