May weather forecast
Neilton, WA

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Weather in May

The last month of the spring, May, is a mild month in Neilton, Washington, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 57.6°F (14.2°C).

Temperature

The arrival of May sees a recorded average high-temperature of a refreshing 57.6°F (14.2°C), showing little divergence from the previous month's conditions. In the month of May, Neilton records a consistent average low-temperature of 46.9°F (8.3°C).

Humidity

The months with the lowest humidity are April through June, with an average relative humidity of 81%.

Rainfall

In Neilton, during May, the rain falls for 11.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Neilton, during the entire year, the rain falls for 152.8 days and collects up to 19.41" (493mm) of precipitation.

Snowfall

April through October and December are months without snowfall in Neilton.

Daylight

The average length of the day in May is 15h and 8min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:27 pm. On the last day of May, sunrise is at 5:22 am and sunset at 9:04 pm PDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 4 in May transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Neilton, records 57.6°F (14.2°C), while the low-temperature is 46.9°F (8.3°C).

What are the least humid months in Neilton?

April through June, with an average relative humidity of 81%, are the least humid months.

What is the average humidity in May?

In Neilton, the average relative humidity in May is 81%.

How many days does it rain in May?

In Neilton, in May, during 11.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow?

April through October and December are months without snowfall.

How many hours of daylight does Neilton have in May?

In Neilton, Washington, the average day length in May is 15h and 8min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 9:04 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.2h.

What are the months with the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 4.

How high is the UV index in May?

In Neilton, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Neilton, WA

Average temperature in May - Neilton, WA
  • Average high temperature in May: 57.6°F

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

Average pressure in May
Neilton, WA

Average pressure in May - Neilton, WA
  • Average pressure in May: 30.06"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in May
Neilton, WA

Average wind speed in May - Neilton, WA
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

Average humidity in May
Neilton, WA

Average humidity in May - Neilton, WA
  • Average humidity in May: 81%

The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).

Average rainfall in May
Neilton, WA

Average rainfall in May - Neilton, WA
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in May
Neilton, WA

Average rainfall days in May - Neilton, WA
  • Average rainfall days in May: 11.5 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).

Average snowfall in May
Neilton, WA

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

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in May
Neilton, WA

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

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Neilton, 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: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Neilton, WA

Average sunshine days in May - Neilton, WA
  • Average sunshine days in May: 15.9 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).

Average UV index in May
Neilton, WA

Average UV index in May - Neilton, WA
  • Average UV index in May: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Neilton, WA

Average cloud cover in May - Neilton, WA
  • Average cloud cover in May: 48

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Neilton, WA

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

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

Neilton, Washington, USA

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