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
The onset of May introduces a subtle rise in the average high-temperature, nudging from a cool 50.5°F (10.3°C) in April to a moderate 57.9°F (14.4°C). Sappho encounters an average low-temperature of 43.3°F (6.3°C) during May nights.Humidity
The months with the lowest humidity in Sappho are May, July and August, with an average relative humidity of 80%.Rainfall
In Sappho, in May, during 7.9 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Sappho, during the entire year, the rain falls for 142.6 days and collects up to 19.61" (498mm) of precipitation.Snowfall
In Sappho, snow does not fall in May through August, October and November.Daylight
In Sappho, the average length of the day in May is 15h and 13min.On the first day of May in Sappho, sunrise is at 5:57 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 9:08 pm PDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index in Sappho is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during May translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Sappho?
What is the least humid month in Sappho?
What is the average humidity in May in Sappho?
How much does it rain in Sappho in May?
When it does not snow in Sappho?
Does it snow in Sappho in May?
How many hours of daylight does Sappho have in May?
When are sunrise and sunset in May in Sappho?
How many hours of sunshine does Sappho have in May?
How high is the UV index in May in Sappho?
Average temperature in May
Sappho, WA
- Average high temperature in May: 57.9°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (42.4°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).
Average pressure in May
Sappho, WA
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.98"Hg).
Average wind speed in May
Sappho, WA
- Average wind speed in May: 4.9mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Sappho, WA
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are May, July and August (80%).
Average rainfall in May
Sappho, WA
- Average rainfall in May: 0.43"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Sappho, WA
- Average rainfall days in May: 7.9 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in May
Sappho, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, October and November (0").
Average snowfall days in May
Sappho, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Sappho, 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 24min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Sappho, WA
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in May
Sappho, WA
- Average UV index in May: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Sappho, WA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Sappho, WA
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, October, November and December (6mi).
The months with the lowest visibility are January, May, June, July, August and September (5mi).
Sappho, Washington, USA
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