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 April transitions into May, Plymouth sees a rise in the average high-temperature, moving from an enjoyable 62.4°F (16.9°C) to an agreeable 72.1°F (22.3°C). A notable decrease from the day's highest temperature marks May, culminating in an average low of 49.8°F (9.9°C).Humidity
In Plymouth, Washington, the average relative humidity in May is 50%.Rainfall
In Plymouth, during May, the rain falls for 9.2 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Plymouth, during the entire year, the rain falls for 106.1 days and collects up to 7.76" (197mm) of precipitation.Snowfall
April through August and October are months without snowfall.Daylight
The average length of the day in May in Plymouth is 14h and 58min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:05 pm. On the last day of May, in Plymouth, sunrise is at 5:10 am and sunset at 8:40 pm PDT.
Sunshine
In May, the average sunshine is 11h.UV index
The average daily maximum UV index in May in Plymouth, Washington, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Plymouth in May?
What is the average humidity in May in Plymouth?
How many days does it rain in May in Plymouth?
When it does not snow in Plymouth?
What is the average length of the day in May in Plymouth?
When are sunrise and sunset in May in Plymouth?
How long on average sun shines in May in Plymouth?
How high is the UV index in May in Plymouth?
Average temperature in May
Plymouth, WA
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in May
Plymouth, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Plymouth, WA
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in May
Plymouth, WA
- Average humidity in May: 50%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in May
Plymouth, WA
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Plymouth, WA
- Average rainfall days in May: 9.2 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in May
Plymouth, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Plymouth, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Plymouth, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Plymouth, WA
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in May
Plymouth, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Plymouth, WA
- Average cloud cover in May: 26
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Plymouth, WA
- 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).
Plymouth, Washington, USA
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