May weather forecast
College Place, WA

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Weather in May

The last month of the spring, May, is a comfortable month in College Place, Washington, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 66.2°F (19°C).

Temperature

An upsurge in temperatures occurs as April gives way to May, with average highs shifting from 56.8°F (13.8°C) to a still refreshing 66.2°F (19°C). In the month of May, an average of 45.5°F (7.5°C) marks the low-temperature.

Humidity

The average relative humidity in May in College Place is 62%.

Rainfall

In College Place, in May, it is raining for 13.8 days, with typically 1.65" (42mm) of accumulated precipitation. In College Place, during the entire year, the rain falls for 141.7 days and collects up to 15.12" (384mm) of precipitation.

Snowfall

May through August and October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 59min.
On the first day of May, sunrise is at 5:38 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:36 pm PDT.

Sunshine

In College Place, Washington, the average sunshine in May is 10.9h.

UV index

The average daily maximum UV index in May in College Place is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 4 in May leads to these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in College Place?

The average high-temperature, in May, in College Place, is 66.2°F (19°C), while the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in May in College Place?

The average relative humidity in May in College Place, Washington, is 62%.

How much does it rain in College Place in May?

In College Place, Washington, in May, it is raining for 13.8 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in College Place?

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

Does it snow in College Place in May?

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

What is the average length of the day in May in College Place?

In College Place, Washington, the average day length in May is 14h and 59min.

What time are sunrise and sunset in May in College Place?

On the first day of May in College Place, sunrise is at 5:38 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 8:36 pm PDT.

How many hours of sunshine does College Place have in May?

In College Place, Washington, the average sunshine duration in May is 10.9h.

What is the UV index intensity in May in College Place?

In College Place, Washington, the average daily maximum UV index in May 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
College Place, WA

Average temperature in May - College Place, WA
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in May: 45.5°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average pressure in May
College Place, WA

Average pressure in May - College Place, WA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in May
College Place, WA

Average wind speed in May - College Place, WA
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in May
College Place, WA

Average humidity in May - College Place, WA
  • Average humidity in May: 62%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

Average rainfall in May
College Place, WA

Average rainfall in May - College Place, WA
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in May
College Place, WA

Average rainfall days in May - College Place, WA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is July (4.9 days).

Average snowfall in May
College Place, WA

Average snowfall in May - College Place, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in May
College Place, WA

Average snowfall days in May - College Place, WA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are February and December (6.1 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in May /
Average sunshine in May
College Place, WA

Average daylight in May / Average sunshine in May - College Place, 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: 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: 5h and 18min).

Average sunshine days in May
College Place, WA

Average sunshine days in May - College Place, WA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (10 days).

Average UV index in May
College Place, WA

Average UV index in May - College Place, WA
  • Average UV index in May: 4

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
College Place, WA

Average cloud cover in May - College Place, WA
  • Average cloud cover in May: 27

The months with the most cloud cover are January, February and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in May
College Place, WA

Average visibility in May - College Place, WA
  • Average visibility in May: 6mi

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

College Place, Washington, USA

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