April weather forecast
Montclair, CA

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Weather in April

April, like March, is an agreeable spring month in Montclair, California, with an average temperature ranging between min 50.2°F (10.1°C) and max 72.9°F (22.7°C).

Temperature

With the transition into April, Montclair notes an average high-temperature of a still agreeable 72.9°F (22.7°C), closely resembling March. Montclair documents a significant temperature variance in April, with the mean nighttime lows settling at a fresh 50.2°F (10.1°C).

Humidity

In April, the average relative humidity is 52%.

Rainfall

In April, in Montclair, the rain falls for 5.7 days. Throughout April, 0.71" (18mm) of precipitation is accumulated. Throughout the year, in Montclair, there are 49.6 rainfall days, and 7.8" (198mm) of precipitation is accumulated.

Snowfall

In Montclair, snow does not fall in January, March through December.

Daylight

In Montclair, the average length of the day in April is 13h and 4min.
On the first day of April in Montclair, sunrise is at 6:36 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:34 pm PDT.

Sunshine

In Montclair, California, the average sunshine in April is 11.4h.

UV index

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during April leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Montclair in April?

Montclair in April has an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 50.2°F (10.1°C).

What is the average humidity in April in Montclair?

The average relative humidity in April in Montclair, California, is 52%.

How much does it rain in Montclair in April?

In Montclair, California, during April, the rain falls for 5.7 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Montclair?

In Montclair, California, snow does not fall in January, March through December.

How many hours of daylight does Montclair have in April?

In April, the average day length in Montclair is 13h and 4min.

When is the sunrise / sunset in April in Montclair?

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:11 pm. On the last day of the month, in Montclair, California, sunrise is at 6:01 am and sunset at 7:34 pm PDT.

How long on average sun shines in April in Montclair?

In April, the average sunshine duration in Montclair, California, is 11.4h.

How high is the UV index in April in Montclair?

In April, the average daily maximum UV index in Montclair is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Montclair, CA

Average temperature in April - Montclair, CA
  • Average high temperature in April: 72.9°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in April: 50.2°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in April
Montclair, CA

Average pressure in April - Montclair, CA
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in April
Montclair, CA

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

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in April
Montclair, CA

Average humidity in April - Montclair, CA
  • Average humidity in April: 52%

The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in April
Montclair, CA

Average rainfall in April - Montclair, CA
  • Average rainfall in April: 0.71"

The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in April
Montclair, CA

Average rainfall days in April - Montclair, CA
  • Average rainfall days in April: 5.7 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in April
Montclair, CA

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

The month with the highest number of snowfall days is February (0.1 days).
The 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
Montclair, CA

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 2min

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 54min).

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Average sunshine days in April
Montclair, CA

Average sunshine days in April - Montclair, CA
  • Average sunshine days in April: 23.8 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in April
Montclair, CA

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

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

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Average cloud cover in April
Montclair, CA

Average cloud cover in April - Montclair, CA
  • Average cloud cover in April: 17

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

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Average visibility in April
Montclair, CA

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

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