April weather forecast
Monterey, CA

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The rugged mountainous coast of Big Sur in Monterey, California
The rugged mountainous coast of Big Sur in Monterey, California

Weather in April

As Monterey moves further into spring, April brings a welcomed respite from heavy rainfall with precipitation totals decreasing to 0.83" (21mm). Daylight hours continue to stretch reaching 13.2 hours, indicating longer days and short nights. The temperatures gradually rise to a warm 61.3°F (16.3°C) high, suggesting the upcoming summer season. Wind speeds follow a similar trend, with speeds achieving 7.5mph (12.1km/h). For those looking to enjoy Monterey's outdoors, April offers increasing warmth, decreasing rainfall, and extended daylight hours, coupled with slightly stronger winds.

Temperature

With the onset of April in Monterey, California, the average high-temperature registers at a comfortable 61.3°F (16.3°C), subtly different from March's 59.5°F (15.3°C). During April, Monterey's temperature falls to a steady low-temperature average of 47.3°F (8.5°C).

Humidity

The average relative humidity in April is 75%.

Rainfall

In April, the rain falls for 8 days. Throughout April, 0.83" (21mm) of precipitation is accumulated. In Monterey, during the entire year, the rain falls for 73.6 days and collects up to 11.77" (299mm) of precipitation.

Ocean temperature

The month with the coldest seawater in Monterey is April, with an average ocean temperature of 53.8°F (12.1°C).
Note: Swimming in 53.8°F (12.1°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

The average length of the day in April is 13h and 10min.
On the first day of the month, sunrise is at 6:52 am and sunset at 7:30 pm. On the last day of April, in Monterey, California, sunrise is at 6:13 am and sunset at 7:55 pm PDT.

Sunshine

In April, the average sunshine is 10.3h.

UV index

In Monterey, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 4 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What are April temperatures in Monterey?

The high-temperature during April is 61.3°F (16.3°C) and the low-temperature is 47.3°F (8.5°C).

What is the average humidity in April in Monterey?

In April, the average relative humidity is 75%.

How much does it rain in Monterey in April?

In Monterey, California, in April, during 8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the month with the coldest ocean in Monterey?

With an average ocean temperature of 53.8°F (12.1°C), April is the month with the coldest seawater in Monterey, California.

What is the water temperature in April in Monterey?

In April, the average ocean temperature in Monterey is 53.8°F (12.1°C). Swimming in 53.8°F (12.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Monterey have in April?

In Monterey, the average day length in April is 13h and 10min.

What time are sunrise and sunset in April in Monterey?

On the first day of April, sunrise is at 6:52 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:55 pm PDT.

How long on average sun shines in April in Monterey?

In Monterey, California, the average sunshine duration in April is 10.3h.

What is the UV index reading in April in Monterey?

The average daily maximum UV index in April in Monterey is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Monterey, CA

Average temperature in April - Monterey, CA
  • Average high temperature in April: 61.3°F

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in April: 47.3°F

The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).

Average pressure in April
Monterey, CA

Average pressure in April - Monterey, CA
  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in April
Monterey, CA

Average wind speed in April - Monterey, CA
  • Average wind speed in April: 7.5mph

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in April
Monterey, CA

Average humidity in April - Monterey, CA
  • Average humidity in April: 75%

The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).

Average rainfall in April
Monterey, CA

Average rainfall in April - Monterey, CA
  • Average rainfall in April: 0.83"

The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in April
Monterey, CA

Average rainfall days in April - Monterey, CA
  • Average rainfall days in April: 8 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).

Average sea temperature in April
Monterey, CA

Average sea temperature in April - Monterey, CA
  • Average sea temperature in April: 53.8°F

The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in April: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in April
Monterey, CA

Average sunshine days in April - Monterey, CA
  • Average sunshine days in April: 20.3 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).

Average UV index in April
Monterey, CA

Average UV index in April - Monterey, CA
  • Average UV index in April: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in April
Monterey, CA

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

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in April
Monterey, CA

Average visibility in April - Monterey, 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).

Monterey, California, USA

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