April weather forecast
Rosemont, CA

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Weather in April

April is a pleasant spring month in Rosemont, California, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 46.6°F (8.1°C).

Temperature

April witnesses a minor rise in the average high-temperature, transitioning from an enjoyable 63°F (17.2°C) in March to a pleasant 69.4°F (20.8°C). The nighttime temperature in Rosemont shows a significant divergence from the daytime highs, averaging at a frosty 46.6°F (8.1°C) in April.

Humidity

In Rosemont, California, the average relative humidity in April is 68%.

Rainfall

In April, in Rosemont, the rain falls for 8.3 days. Throughout April, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Rosemont, there are 70.5 rainfall days, and 15.04" (382mm) of precipitation is accumulated.

Daylight

The average length of the day in April is 13h and 14min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:08 am and sunset at 7:56 pm PDT.

Sunshine

The average sunshine in April in Rosemont is 10.1h.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate 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, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What are the temperatures in Rosemont in April?

Rosemont in April has an average high-temperature of 69.4°F (20.8°C) and an average low-temperature of 46.6°F (8.1°C).

What is the average humidity in April in Rosemont?

In April, the average relative humidity in Rosemont is 68%.

How much does it rain in Rosemont in April?

In Rosemont, in April, it is raining for 8.3 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the average length of the day in April in Rosemont?

In Rosemont, the average day length in April is 13h and 14min.

When are sunrise and sunset in April in Rosemont?

In April, on the first day of the month, sunrise is at 6:48 am and sunset at 7:29 pm. On the last day of the month, in Rosemont, sunrise is at 6:08 am and sunset at 7:56 pm PDT.

How many hours of sunshine does Rosemont have in April?

The average sunshine duration in April in Rosemont is 10.1h.

What is the UV index intensity in April in Rosemont?

The average daily maximum UV index in April in Rosemont is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Rosemont, CA

Average temperature in April - Rosemont, CA
  • Average high temperature in April: 69.4°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.3°F).

  • Average low temperature in April: 46.6°F

The month with the highest average low temperature is August (59.9°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).

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Average pressure in April
Rosemont, CA

Average pressure in April - Rosemont, CA
  • Average pressure in April: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in April
Rosemont, CA

Average wind speed in April - Rosemont, CA
  • Average wind speed in April: 5.2mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in April
Rosemont, CA

Average humidity in April - Rosemont, CA
  • Average humidity in April: 68%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (44%).

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Average rainfall in April
Rosemont, CA

Average rainfall in April - Rosemont, CA
  • Average rainfall in April: 1.18"

The wettest month (with the highest rainfall) is March (2.72").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Rosemont, CA

Average rainfall days in April - Rosemont, CA
  • Average rainfall days in April: 8.3 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (1 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in April: 10h and 1min

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 48min).

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Average sunshine days in April
Rosemont, CA

Average sunshine days in April - Rosemont, CA
  • Average sunshine days in April: 20.8 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index in April
Rosemont, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
Rosemont, CA

Average cloud cover in April - Rosemont, CA
  • Average cloud cover in April: 29

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in April
Rosemont, CA

Average visibility in April - Rosemont, 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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Rosemont, California, USA

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