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
An escalation in the average high-temperature is seen with the onset of May, moving from a cool 53.6°F (12°C) in April to a comfortable 64.9°F (18.3°C). Monitor logs a considerable temperature decrease from the daytime highs during the nights in May, with an average reading of 40.1°F (4.5°C).Humidity
The average relative humidity in May is 62%.Rainfall
In May, in Monitor, the rain falls for 10.2 days. Throughout May, 1.02" (26mm) of precipitation is accumulated. In Monitor, during the entire year, the rain falls for 113.5 days and collects up to 12.32" (313mm) of precipitation.Snowfall
In Monitor, snow does not fall in May through October.Daylight
The average length of the day in May is 15h and 9min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:14 pm. On the last day of May, in Monitor, sunrise is at 5:08 am and sunset at 8:50 pm PDT.
Sunshine
In May, the average sunshine in Monitor is 11h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 suggests this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Monitor in May?
What is the average humidity in May in Monitor?
How much does it rain in Monitor in May?
When it does not snow in Monitor?
Does it snow in Monitor in May?
How many hours of daylight does Monitor have in May?
What time are sunrise and sunset in May in Monitor?
How many hours of sunshine does Monitor have in May?
How high is the UV index in May in Monitor?
Average temperature in May
Monitor, WA
- Average high temperature in May: 64.9°F
The warmest months (with the highest average high temperature) are July and August (82.2°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in May: 40.1°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in May
Monitor, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in May
Monitor, WA
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are June and July (5.8mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in May
Monitor, WA
- Average humidity in May: 62%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in May
Monitor, WA
- Average rainfall in May: 1.02"
The wettest month (with the highest rainfall) is January (2.05").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Monitor, WA
- Average rainfall days in May: 10.2 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in May
Monitor, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Monitor, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Monitor, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Monitor, WA
- Average sunshine days in May: 18.8 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is March (12.4 days).
Average UV index in May
Monitor, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Monitor, WA
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in May
Monitor, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Monitor, Washington, USA
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