April weather forecast and climate
Highland, CA

Weather in April

April is a pleasant spring month in Highland, California, with average temperature varying between 69.4°F (20.8°C) and 47.5°F (8.6°C).

Temperature

In April, the average high-temperature marginally rises, from an enjoyable 64°F (17.8°C) in March, to an agreeable 69.4°F (20.8°C). The average low-temperature, in April, is 47.5°F (8.6°C).

Humidity

In April, the average relative humidity is 49%.

Rainfall

In Highland, it is raining for 6.2 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 51.8 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in Highland is 13.1h.

Sunshine

The average sunshine in April is 11.4h.

UV index

In Highland, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in April in Highland?

In Highland, in April, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in April in Highland?

In Highland, California, the average relative humidity in April is 49%.

How many days does it rain in April in Highland?

In Highland, in April, it is raining for 6.2 days, with typically 0.75" (19mm) of accumulated precipitation.

When it does not snow in Highland?

January, March through December are months without snowfall in Highland, California.

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

In April, the average length of the day in Highland, California, is 13.1h.

How many hours of sunshine does Highland have in April?

In Highland, the average sunshine in April is 11.4h.

What is the UV index reading in April in Highland?

In Highland, California, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in April
Highland, CA

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

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in April: 47.5°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).

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Average pressure in April
Highland, CA

Average pressure in April - Highland, CA
  • Average pressure in April: 29.93"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in April
Highland, CA

Average wind speed in April - Highland, CA
  • Average wind speed in April: 6.6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).

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Average humidity in April
Highland, CA

Average humidity in April - Highland, CA
  • Average humidity in April: 49%

The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in April
Highland, CA

Average rainfall in April - Highland, CA
  • Average rainfall in April: 0.75"

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in April
Highland, CA

Average rainfall days in April - Highland, CA
  • Average rainfall days in April: 6.2 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days in April
Highland, CA

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

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

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

Average daylight in April / Average sunshine in April - Highland, CA
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in April: 11.4h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in April
Highland, CA

Average sunshine days in April - Highland, CA
  • Average sunshine days in April: 22.9 days

The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in April
Highland, CA

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

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

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Average cloud cover in April
Highland, CA

Average cloud cover in April - Highland, CA
  • Average cloud cover in April: 16

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in April
Highland, CA

Average visibility in April - Highland, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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