May weather forecastWest Menlo Park, CA
May
Weather in May
May, the last month of the spring in West Menlo Park, is another refreshing month, with an average temperature varying between 50.2°F (10.1°C) and 64.9°F (18.3°C).Temperature
West Menlo Park, California, signifies an average high-temperature of a still enjoyable 64.9°F (18.3°C) in May, closely mirroring the 62.2°F (16.8°C) of April. West Menlo Park's nighttime temperature in May falls to an average of 50.2°F (10.1°C).Humidity
In May, the average relative humidity is 74%.Rainfall
In May, the rain falls for 3.8 days. Throughout May, 0.31" (8mm) of precipitation is accumulated. In West Menlo Park, during the entire year, the rain falls for 57.5 days and collects up to 4.76" (121mm) of precipitation.Daylight
The average length of the day in May is 14h and 12min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:23 pm PDT.
Sunshine
In West Menlo Park, the average sunshine in May is 10.7h.UV index
In West Menlo Park, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 during May translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
West Menlo Park, CA
- Average high temperature in May: 64.9°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 May: 50.2°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).
Average pressure in May
West Menlo Park, CA
- Average pressure in May: 29.98"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 May
West Menlo Park, CA
- Average wind speed in May: 7.5mph
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).
Average humidity in May
West Menlo Park, CA
- Average humidity in May: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
West Menlo Park, CA
- Average rainfall in May: 0.31"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
West Menlo Park, CA
- Average rainfall days in May: 3.8 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).
Average daylight in May /
Average sunshine in May
West Menlo Park, CA
- Average daylight in May: 14h and 12min
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 May: 10h and 42min
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).
Average sunshine days in May
West Menlo Park, CA
- Average sunshine days in May: 22.9 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).
Average UV index in May
West Menlo Park, CA
- Average UV index in May: 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).
Average cloud cover in May
West Menlo Park, CA
- Average cloud cover in May: 25
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
West Menlo Park, CA
- Average visibility in May: 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).
