April weather forecast
West Menlo Park, CA

Share

Weather in April

April in West Menlo Park, California, is an enjoyable spring month, with an average temperature ranging between min 48.2°F (9°C) and max 62.2°F (16.8°C).

Temperature

West Menlo Park's shift from March to April is accompanied by an average high-temperature of a comfortable 62.2°F (16.8°C), a slight deviation from 59.5°F (15.3°C). Throughout April, West Menlo Park encounters an average temperature drop to a frosty 48.2°F (9°C).

Humidity

In April, the average relative humidity in West Menlo Park is 74%.

Rainfall

In April, the rain falls for 5.8 days. Throughout April, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Daylight

In West Menlo Park, California, the average length of the day in April is 13h and 11min.
On the first day of the month, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of April, in West Menlo Park, sunrise is at 6:13 am and sunset at 7:58 pm PDT.

Sunshine

In April, the average sunshine in West Menlo Park, California, is 10.4h.

UV index

In West Menlo Park, 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 unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 4 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
[Resources]

Frequently asked questions

What are the temperatures in West Menlo Park in April?

The high-temperature, in April, in West Menlo Park, is 62.2°F (16.8°C), while the low-temperature averages to 48.2°F (9°C).

What is the average humidity in April in West Menlo Park?

In April, the average relative humidity in West Menlo Park, California, is 74%.

How many days does it rain in April in West Menlo Park?

In April, the rain falls for 5.8 days. Throughout April, 0.24" (6mm) of precipitation is accumulated.

How many hours of daylight does West Menlo Park have in April?

In West Menlo Park, California, the average day length in April is 13h and 11min.

When are sunrise and sunset in April in West Menlo Park?

On the first day of April in West Menlo Park, California, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:58 pm PDT.

How long on average sun shines in April in West Menlo Park?

In West Menlo Park, California, the average sunshine duration in April is 10.4h.

What is the UV index intensity in April in West Menlo Park?

The average daily maximum UV index in April in West Menlo Park, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
West Menlo Park, CA

Average temperature in April - West Menlo Park, CA
  • Average high temperature in April: 62.2°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in April: 48.2°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).

[Resources]

Average pressure in April
West Menlo Park, CA

Average pressure in April - West Menlo Park, 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).

[Resources]

Average wind speed in April
West Menlo Park, CA

Average wind speed in April - West Menlo Park, 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 August (5.5mph).

[Resources]

Average humidity in April
West Menlo Park, CA

Average humidity in April - West Menlo Park, CA
  • Average humidity in April: 74%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).

[Resources]

Average rainfall in April
West Menlo Park, CA

Average rainfall in April - West Menlo Park, CA
  • Average rainfall in April: 0.24"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days in April
West Menlo Park, CA

Average rainfall days in April - West Menlo Park, CA
  • Average rainfall days in April: 5.8 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).

[Resources]

Average daylight in April /
Average sunshine in April
West Menlo Park, CA

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

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

  • 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: 5h and 54min).

[Resources]

Average sunshine days in April
West Menlo Park, CA

Average sunshine days in April - West Menlo Park, CA
  • Average sunshine days in April: 22.2 days

The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).

[Resources]

Average UV index in April
West Menlo Park, CA

Average UV index in April - West Menlo Park, CA
  • Average UV index in April: 4

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

[Resources]

Average cloud cover in April
West Menlo Park, CA

Average cloud cover in April - West Menlo Park, CA
  • Average cloud cover in April: 27

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

[Resources]

Average visibility in April
West Menlo Park, CA

Average visibility in April - West Menlo Park, 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).

[Resources]

West Menlo Park, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location