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
As Monroe welcomes May, the average high-temperature sees a modest rise, transitioning from a cool 54.3°F (12.4°C) in April to a refreshing 63.3°F (17.4°C). Monroe documents a marked decrease from day to night, with an average low of 41.5°F (5.3°C) throughout May.Humidity
In May, the average relative humidity is 77%.Rainfall
In Monroe, during May, the rain falls for 9.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Monroe, Washington, during the entire year, the rain falls for 115.8 days and collects up to 11.81" (300mm) of precipitation.Snowfall
In Monroe, snow does not fall in May through October.Daylight
In Monroe, the average length of the day in May is 15h and 11min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:58 pm PDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, the UV index of 4 transforms into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Monroe have in May?
What time are sunrise and sunset in May in Monroe?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Monroe, WA
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is August (75.6°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in May
Monroe, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Monroe, WA
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in May
Monroe, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
Monroe, WA
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Monroe, WA
- Average rainfall days in May: 9.1 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (4 days).
Average snowfall in May
Monroe, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Monroe, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Monroe, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Monroe, WA
- Average sunshine days in May: 19.3 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (15 days).
Average UV index in May
Monroe, 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
Monroe, WA
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Monroe, WA
- Average visibility in May: 5mi
The month with the highest visibility is July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Monroe, Washington, USA
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