May weather forecast
Maple Falls, WA

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Weather in May

May, the last month of the spring in Maple Falls, is a mild month, with an average temperature varying between 39°F (3.9°C) and 58.6°F (14.8°C).

Temperature

With the onset of May, Maple Falls sees a temperature rise, with the average high-temperature moving from April's frosty 48.7°F (9.3°C) to a refreshing 58.6°F (14.8°C). In May, the average low-temperature in Maple Falls records at a cold 39°F (3.9°C) during the nights.

Humidity

In Maple Falls, the average relative humidity in May is 80%.

Rainfall

In Maple Falls, in May, during 17.4 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Maple Falls, during the entire year, the rain falls for 194.4 days and collects up to 69.29" (1760mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Maple Falls, Washington. May is the last month it regularly snows. During 0.3 snowfall days, in May, Maple Falls aggregates 0.2" (5mm) of snow. In Maple Falls, during the entire year, snow falls for 51.2 days and aggregates up to 83.11" (2111mm) of snow.

Daylight

In May, the average length of the day in Maple Falls is 15h and 19min.
On the first day of May, sunrise is at 5:45 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 9:03 pm PDT.

Sunshine

The average sunshine in May is 7.8h.

UV index

In Maple Falls, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in May suggests the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Maple Falls?

In May, in Maple Falls, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 39°F (3.9°C).

What is the average humidity in May in Maple Falls?

In May, the average relative humidity in Maple Falls is 80%.

How much does it rain in Maple Falls in May?

In May, the rain falls for 17.4 days. Throughout May, 3.86" (98mm) of precipitation is accumulated.

What is the last month it snows in Maple Falls?

May is the last month it regularly snows in Maple Falls, Washington. During 0.3 snowfall days, in May, Maple Falls aggregates 0.2" (5mm) of snow.

How many hours of daylight does Maple Falls have in May?

In May, the average day length in Maple Falls is 15h and 19min.

When is the sunrise / sunset in May in Maple Falls?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 9:03 pm PDT.

How long on average sun shines in May in Maple Falls?

In Maple Falls, Washington, the average sunshine duration in May is 7.8h.

How high is the UV index in May in Maple Falls?

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

Average temperature in May
Maple Falls, WA

Average temperature in May - Maple Falls, WA
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (35.6°F).

  • Average low temperature in May: 39°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

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Average pressure in May
Maple Falls, WA

Average pressure in May - Maple Falls, WA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are May, June, August and September (30"Hg).

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Average wind speed in May
Maple Falls, WA

Average wind speed in May - Maple Falls, WA
  • Average wind speed in May: 3.5mph

The windiest month (with the highest average wind speed) is January (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

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Average humidity in May
Maple Falls, WA

Average humidity in May - Maple Falls, WA
  • Average humidity in May: 80%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in May
Maple Falls, WA

Average rainfall in May - Maple Falls, WA
  • Average rainfall in May: 3.86"

The wettest month (with the highest rainfall) is January (10.39").
The driest month (with the least rainfall) is July (1.5").

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Average rainfall days in May
Maple Falls, WA

Average rainfall days in May - Maple Falls, WA
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is April (21.3 days).
The month with the least rainy days is August (10.3 days).

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Average snowfall in May
Maple Falls, WA

Average snowfall in May - Maple Falls, WA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (22.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Maple Falls, WA

Average snowfall days in May - Maple Falls, WA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Maple Falls, WA

Average daylight in May / Average sunshine in May - Maple Falls, WA
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in May
Maple Falls, WA

Average sunshine days in May - Maple Falls, WA
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.8 days).

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Average UV index in May
Maple Falls, WA

Average UV index in May - Maple Falls, WA
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

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Average cloud cover in May
Maple Falls, WA

Average cloud cover in May - Maple Falls, WA
  • Average cloud cover in May: 53

The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Maple Falls, WA

Average visibility in May - Maple Falls, WA
  • Average visibility in May: 4mi

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

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Maple Falls, Washington, USA

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