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 arrival of May signals an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in April to an agreeable 69.4°F (20.8°C). May nights in Quincy bring a pronounced temperature shift, with averages hovering around a chilly 47.5°F (8.6°C).Humidity
In Quincy, the average relative humidity in May is 50%.Rainfall
In May, the rain falls for 9 days. Throughout May, 0.87" (22mm) of precipitation is accumulated. In Quincy, during the entire year, the rain falls for 100.6 days and collects up to 7.87" (200mm) of precipitation.Snowfall
May through August and October are months without snowfall.Daylight
The average length of the day in May is 15h and 7min.On the first day of May, sunrise is at 5:41 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:47 pm PDT.
Sunshine
In Quincy, the average sunshine in May is 10.9h.UV index
In Quincy, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Quincy in May?
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?
What is the average length of the day in May in Quincy?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Quincy?
Average temperature in May
Quincy, WA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in May: 47.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in May
Quincy, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Quincy, WA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in May
Quincy, WA
- Average humidity in May: 50%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).
Average rainfall in May
Quincy, WA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is December (1.1").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in May
Quincy, WA
- Average rainfall days in May: 9 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in May
Quincy, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in May
Quincy, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (8.1 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
Quincy, 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 36min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Quincy, WA
- Average sunshine days in May: 19.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in May
Quincy, 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
Quincy, WA
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Quincy, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Quincy, Washington, USA
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