May weather forecast
Quincy, WA

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Weather in May

May, the last month of the spring in Quincy, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 47.5°F (8.6°C).

Temperature

The transition to May introduces an increase in the average high-temperature, shifting from a mild 59.5°F (15.3°C) in April to an agreeable 69.4°F (20.8°C). Quincy undergoes a major shift from daytime highs, averaging a chilly 47.5°F (8.6°C) during the night in May.

Humidity

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. Throughout the year, in Quincy, there are 100.6 rainfall days, and 7.87" (200mm) of precipitation is accumulated.

Snowfall

May through August and October are months without snowfall in Quincy, Washington.

Daylight

In Quincy, the average length of the day in May is 15h and 7min.
On the first day of the month, sunrise is at 5:41 am and sunset at 8:11 pm. On the last day of May, in Quincy, Washington, sunrise is at 5:07 am and sunset at 8:47 pm PDT.

Sunshine

In May, the average sunshine is 10.9h.

UV index

In Quincy, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are May temperatures in Quincy?

The average high-temperature, in May, in Quincy, is 69.4°F (20.8°C), while the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in May in Quincy?

The average relative humidity in May in Quincy, Washington, is 50%.

How many days does it rain in May in Quincy?

In Quincy, in May, it is raining for 9 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Quincy?

May through August and October are months without snowfall in Quincy, Washington.

Does it snow in Quincy in May?

In May, in Quincy, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Quincy have in May?

In May, the average day length is 15h and 7min.

What time are sunrise and sunset in May in Quincy?

On the first day of May in Quincy, Washington, 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.

How many hours of sunshine does Quincy have in May?

In May, the average sunshine duration in Quincy is 10.9h.

How high is the UV index in May in Quincy?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Quincy, WA

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).

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Average pressure in May
Quincy, WA

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).

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Average wind speed in May
Quincy, WA

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).

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Average humidity in May
Quincy, WA

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%).

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Average rainfall in May
Quincy, WA

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").

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Average rainfall days in May
Quincy, WA

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).

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Average snowfall in May
Quincy, WA

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").

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Average snowfall days in May
Quincy, WA

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).

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Average daylight in May /
Average sunshine in May
Quincy, WA

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).

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Average sunshine days in May
Quincy, WA

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).

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Average UV index in May
Quincy, WA

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).

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Average cloud cover in May
Quincy, WA

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).

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Average visibility in May
Quincy, WA

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).

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Quincy, Washington, USA

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