Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, Menlo's average high-temperature sees a modest rise, moving from April's cool 54.1°F (12.3°C) to a mild 60.4°F (15.8°C). In Menlo, May nights cool down to an average of 43.3°F (6.3°C).Humidity
In May, the average relative humidity in Menlo is 81%.Rainfall
In May, the rain falls for 10 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 126 rainfall days, and 8.5" (216mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Menlo.Daylight
In Menlo, the average length of the day in May is 15h and 3min.On the first day of May, sunrise is at 5:58 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:59 pm PDT.
Sunshine
The average sunshine in May in Menlo is 7.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Menlo in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Menlo have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Menlo?
Average temperature in May
Menlo, WA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (36.3°F).
Average pressure in May
Menlo, WA
- Average pressure in May: 30.05"Hg
The months with the highest atmospheric pressure are January, April and July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Menlo, WA
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Menlo, WA
- Average humidity in May: 81%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are June and July (80%).
Average rainfall in May
Menlo, WA
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is December (1.46").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in May
Menlo, WA
- Average rainfall days in May: 10 days
The months with the highest number of rainy days are March and December (14.4 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Menlo, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Menlo, WA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Menlo, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Menlo, WA
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in May
Menlo, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Menlo, WA
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Menlo, WA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (5mi).
The months with the lowest visibility are July, August and September (4mi).
Menlo, Washington, USA
Weather forecast for your location
2. Allow the app to use your location