Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Menlo Park observes an average high-temperature of a still refreshing 64.9°F (18.3°C) in April, barely different from 61.3°F (16.3°C) in March. In the month of April, the average low-temperature usually rests at a frosty 47.1°F (8.4°C).Humidity
In April, the average relative humidity is 71%.Rainfall
In Menlo Park, during April, the rain falls for 7.3 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Menlo Park, during the entire year, the rain falls for 63.3 days and collects up to 9.53" (242mm) of precipitation.Daylight
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 7:31 pm. On the last day of April, sunrise is at 6:13 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in April is 10.4h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Menlo Park have in April?
When is the highest UV index?
What is the UV index reading in April?
Average temperature in April
Menlo Park, CA
- Average high temperature in April: 64.9°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is August (57°F).
The coldest months (with the lowest average low temperature) are January and February (45.1°F).
Average pressure in April
Menlo Park, CA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in April
Menlo Park, CA
- Average wind speed in April: 6.5mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.9mph).
Average humidity in April
Menlo Park, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in April
Menlo Park, CA
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is February (2.01").
The driest month (with the least rainfall) is July (0").
Average rainfall days in April
Menlo Park, CA
- Average rainfall days in April: 7.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.6 days).
Average daylight in April /
Average sunshine in April
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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in April
Menlo Park, CA
- Average sunshine days in April: 22.3 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (18 days).
Average UV index in April
Menlo Park, CA
- Average UV index in April: 5
The months with the highest UV index are April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in April
Menlo Park, CA
- Average cloud cover in April: 26
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in April
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).
Menlo Park, California, USA
Weather forecast for your location
2. Allow the app to use your location