May weather forecast
Ridgefield, WA

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Weather in May

The last month of the spring, May, is a refreshing month in Ridgefield, Washington, with an average temperature ranging between min 42.1°F (5.6°C) and max 64.9°F (18.3°C).

Temperature

As May sets, the average high-temperature shows an increase, moving up from a refreshing 55.9°F (13.3°C) in April to a comfortable 64.9°F (18.3°C). Despite a significant disparity with daytime temperatures, an average low-temperature of 42.1°F (5.6°C) is recorded during May.

Humidity

In Ridgefield, the average relative humidity in May is 76%.

Rainfall

In Ridgefield, in May, during 14.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 180.9 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May is 14h and 58min.
On the first day of May, sunrise is at 5:56 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:53 pm PDT.

Sunshine

In Ridgefield, the average sunshine in May is 8.4h.

UV index

In Ridgefield, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In Ridgefield, 64.9°F (18.3°C) is the average high-temperature and 42.1°F (5.6°C) is the average low-temperature during May.

What is the average humidity in May?

In Ridgefield, the average relative humidity in May is 76%.

How much does it rain in May?

In Ridgefield, in May, it is raining for 14.4 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Ridgefield have in May?

In Ridgefield, Washington, the average day length in May is 14h and 58min.

What time are sunrise and sunset in May in Ridgefield?

On the first day of May, sunrise is at 5:56 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:53 pm PDT.

How many hours of sunshine does Ridgefield have in May?

In Ridgefield, the average sunshine duration in May is 8.4h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Ridgefield, WA

Average temperature in May - Ridgefield, WA
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in May: 42.1°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).

Average pressure in May
Ridgefield, WA

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in May
Ridgefield, WA

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

The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

Average humidity in May
Ridgefield, WA

Average humidity in May - Ridgefield, WA
  • Average humidity in May: 76%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (69%).

Average rainfall in May
Ridgefield, WA

Average rainfall in May - Ridgefield, WA
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in May
Ridgefield, WA

Average rainfall days in May - Ridgefield, WA
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is July (5.3 days).

Average snowfall in May
Ridgefield, WA

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Ridgefield, WA

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

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Ridgefield, WA
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in May
Ridgefield, WA

Average sunshine days in May - Ridgefield, WA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is July (23.5 days).
The months with the least sunshine days are February and March (8.3 days).

Average UV index in May
Ridgefield, WA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in May
Ridgefield, WA

Average cloud cover in May - Ridgefield, WA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Ridgefield, WA

Average visibility in May - Ridgefield, WA
  • Average visibility in May: 5mi

The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

Ridgefield, Washington, USA

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