April weather forecast
Altaville, CA

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Weather in April

April is an enjoyable spring month in Altaville, California, with an average temperature fluctuating between 44.1°F (6.7°C) and 65.8°F (18.8°C).

Temperature

Altaville perceives a slight temperature ascent during April, with average high-temperatures adjusting from a refreshing 59.9°F (15.5°C) in March to a comfortable 65.8°F (18.8°C). During the nights in April, Altaville records a pronounced shift from the daytime warmth, with a consistent average temperature of 44.1°F (6.7°C).

Humidity

In April, the average relative humidity is 65%.

Rainfall

In Altaville, during April, the rain falls for 9.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Altaville, California, there are 74.4 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

Snowfall

In Altaville, snow does not fall in April through October.

Daylight

In April, the average length of the day in Altaville, California, is 13h and 13min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:25 pm. On the last day of April, in Altaville, California, sunrise is at 6:05 am and sunset at 7:52 pm PDT.

Sunshine

In Altaville, the average sunshine in April is 10.1h.

UV index

The average daily maximum UV index in April in Altaville, California, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 5 in April suggests the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in April in Altaville?

In Altaville, in April, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 44.1°F (6.7°C).

What is the average humidity in April in Altaville?

The average relative humidity in April is 65%.

How many days does it rain in April in Altaville?

In Altaville, California, during April, the rain falls for 9.8 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Altaville?

April through October are months without snowfall in Altaville, California.

Does it snow in Altaville in April?

In April, it doesn't snow. March is the latest month when it typically snows.

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

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

What time are sunrise and sunset in April in Altaville?

On the first day of April in Altaville, California, sunrise is at 6:45 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:52 pm PDT.

How many hours of sunshine does Altaville have in April?

The average sunshine duration in April is 10.1h.

What is the UV index reading in April in Altaville?

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

Average temperature in April
Altaville, CA

Average temperature in April - Altaville, CA
  • Average high temperature in April: 65.8°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).

  • Average low temperature in April: 44.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).

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Average pressure in April
Altaville, CA

Average pressure in April - Altaville, CA
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Altaville, CA

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

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in April
Altaville, CA

Average humidity in April - Altaville, CA
  • Average humidity in April: 65%

The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).

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Average rainfall in April
Altaville, CA

Average rainfall in April - Altaville, CA
  • Average rainfall in April: 1.97"

The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Altaville, CA

Average rainfall days in April - Altaville, CA
  • Average rainfall days in April: 9.8 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).

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Average snowfall in April
Altaville, CA

Average snowfall in April - Altaville, CA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
Altaville, CA

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

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Altaville, 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 36min).

  • Average sunshine in April: 10h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in April
Altaville, CA

Average sunshine days in April - Altaville, CA
  • Average sunshine days in April: 19.8 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in April
Altaville, CA

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

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).

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Average cloud cover in April
Altaville, CA

Average cloud cover in April - Altaville, CA
  • Average cloud cover in April: 27

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in April
Altaville, CA

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

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