April weather forecast
Imperial, CA

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Weather in April

April, like March, in Imperial, California, is another warm spring month, with an average temperature fluctuating between 60.8°F (16°C) and 85.6°F (29.8°C).

Temperature

April's arrival coincides with a marginal rise in the average high-temperature, moving from March's 79.2°F (26.2°C) to a still warm 85.6°F (29.8°C). Imperial sees a consistent average low-temperature of 60.8°F (16°C) in April, indicating a substantial decrease from the day's temperature.

Humidity

In Imperial, California, the average relative humidity in April is 27%.

Rainfall

The months with the most rainfall are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.

Daylight

In April, the average length of the day is 13h and 1min.
On the first day of April, sunrise is at 6:28 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:23 pm PDT.

Sunshine

The average sunshine in April in Imperial is 11.7h.

UV index

In April, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in April translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

Is it hot in Imperial during April?

The high-temperature, in April, in Imperial, records 85.6°F (29.8°C), while the low-temperature is 60.8°F (16°C).

What is the average humidity in April in Imperial?

The average relative humidity in April is 27%.

What is the rainiest month in Imperial?

The wettest months in Imperial are March, April, July through September and December, with an average 0.08" (2mm) of rainfall.

What is the last month it rains in Imperial?

April is the last month it rains in Imperial, California. During 0.8 rainfall days, in April, Imperial aggregates 0.08" (2mm) of precipitation.

How many hours of daylight does Imperial have in April?

The average day length in April in Imperial is 13h and 1min.

When are sunrise and sunset in April in Imperial?

On the first day of April, sunrise is at 6:28 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:23 pm PDT.

How long on average sun shines in April in Imperial?

In Imperial, the average sunshine duration in April is 11.7h.

What is the UV index intensity in April in Imperial?

In Imperial, California, the average daily maximum UV index in April is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Imperial, CA

Average temperature in April - Imperial, CA
  • Average high temperature in April: 85.6°F

The warmest month (with the highest average high temperature) is July (106.7°F).
The month with the lowest average high temperature is December (66.4°F).

  • Average low temperature in April: 60.8°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is January (49.8°F).

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Average pressure in April
Imperial, CA

Average pressure in April - Imperial, CA
  • Average pressure in April: 29.89"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in April
Imperial, CA

Average wind speed in April - Imperial, CA
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in April
Imperial, CA

Average humidity in April - Imperial, CA
  • Average humidity in April: 27%

The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in April
Imperial, CA

Average rainfall in April - Imperial, CA
  • Average rainfall in April: 0.08"

The wettest months (with the highest rainfall) are March, April, July, August, September and December (0.08").
The driest months (with the least rainfall) are May and June (0").

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Average rainfall days in April
Imperial, CA

Average rainfall days in April - Imperial, CA
  • Average rainfall days in April: 0.8 days

The month with the highest number of rainy days is July (2.8 days).
The month with the least rainy days is May (0.3 days).

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

Average daylight in April / Average sunshine in April - Imperial, 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: 11h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in April
Imperial, CA

Average sunshine days in April - Imperial, CA
  • Average sunshine days in April: 29.3 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).

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Average UV index in April
Imperial, CA

Average UV index in April - Imperial, CA
  • Average UV index in April: 7

The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in April
Imperial, CA

Average cloud cover in April - Imperial, CA
  • Average cloud cover in April: 10

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in April
Imperial, CA

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

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