May weather forecast
Southworth, WA

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Weather in May

The last month of the spring, May, is an enjoyable month in Southworth, Washington, with an average temperature fluctuating between 65.1°F (18.4°C) and 45°F (7.2°C).

Temperature

As May sets, the average high-temperature shows a slight increase, moving up from a moderate 56.7°F (13.7°C) in April to a still refreshing 65.1°F (18.4°C). In the month of May, the average temperature in Southworth dips to a chilly 45°F (7.2°C) during the night.

Humidity

The average relative humidity in May in Southworth is 75%.

Rainfall

In May, in Southworth, the rain falls for 11.8 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. Throughout the year, in Southworth, there are 138.9 rainfall days, and 12.24" (311mm) of precipitation is accumulated.

Snowfall

In Southworth, snow does not fall in April through October.

Ocean temperature

In Southworth, in May, the average water temperature is 46.6°F (8.1°C).
Note: While a brief time in 46.6°F (8.1°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

The average length of the day in May in Southworth is 15h and 9min.
On the first day of May, sunrise is at 5:51 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:59 pm PDT.

Sunshine

In Southworth, the average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index in Southworth is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What are the temperatures in Southworth in May?

In Southworth, in May, the average high-temperature is 65.1°F (18.4°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in May in Southworth?

In Southworth, the average relative humidity in May is 75%.

How much does it rain in Southworth in May?

In Southworth, in May, it is raining for 11.8 days, with typically 0.83" (21mm) of accumulated precipitation.

When it does not snow in Southworth?

April through October are months without snowfall in Southworth, Washington.

How cold is the water in May in Southworth?

In Southworth, the average seawater temperature in May is 46.6°F (8.1°C). Swimming in 46.6°F (8.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Southworth?

In May, the average day length is 15h and 9min.

When is the sunrise / sunset in May in Southworth?

In May, on the first day of the month, sunrise is at 5:51 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:59 pm PDT.

How long on average sun shines in May in Southworth?

In Southworth, the average sunshine duration in May is 9.2h.

How high is the UV index in May in Southworth?

The average daily maximum UV index in May in Southworth, Washington, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Southworth, WA

Average temperature in May - Southworth, WA
  • Average high temperature in May: 65.1°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in May: 45°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

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Average pressure in May
Southworth, WA

Average pressure in May - Southworth, WA
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in May
Southworth, WA

Average wind speed in May - Southworth, WA
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

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Average humidity in May
Southworth, WA

Average humidity in May - Southworth, WA
  • Average humidity in May: 75%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in May
Southworth, WA

Average rainfall in May - Southworth, WA
  • Average rainfall in May: 0.83"

The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in May
Southworth, WA

Average rainfall days in May - Southworth, WA
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).

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Average snowfall in May
Southworth, WA

Average snowfall in May - Southworth, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Southworth, WA

Average snowfall days in May - Southworth, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Southworth, WA

Average sea temperature in May - Southworth, WA
  • Average sea temperature in May: 46.6°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

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

Average daylight in May / Average sunshine in May - Southworth, 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: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days in May
Southworth, WA

Average sunshine days in May - Southworth, WA
  • Average sunshine days in May: 16.4 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).

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Average UV index in May
Southworth, WA

Average UV index in May - Southworth, 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, November and December (UV index 2).

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Average cloud cover in May
Southworth, WA

Average cloud cover in May - Southworth, WA
  • Average cloud cover in May: 42

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in May
Southworth, WA

Average visibility in May - Southworth, WA
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).

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Southworth, Washington, USA

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