May weather forecast
Galvin, WA

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Weather in May

May, the last month of the spring in Galvin, is an enjoyable month, with an average temperature fluctuating between 41.2°F (5.1°C) and 64.9°F (18.3°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from a refreshing 56.7°F (13.7°C) in April to a comfortable 64.9°F (18.3°C). May nights in Galvin, Washington, experience a distinct temperature drop from the daily highs, with an average low-temperature of 41.2°F (5.1°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In Galvin, in May, during 13.4 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Galvin, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 15h and 4min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:22 pm. On the last day of May, in Galvin, sunrise is at 5:21 am and sunset at 8:57 pm PDT.

Sunshine

In May, the average sunshine is 8h.

UV index

The average daily maximum UV index in May in Galvin, Washington, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Exercise prevention - Warding off sunburn is urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the temperature in May in Galvin?

An average high-temperature, in May, in Galvin, is 64.9°F (18.3°C) and the average low-temperature is 41.2°F (5.1°C).

What is the average humidity in May in Galvin?

The average relative humidity in May in Galvin, Washington, is 78%.

How much does it rain in Galvin in May?

In May, the rain falls for 13.4 days. Throughout May, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Galvin?

April through October are months without snowfall in Galvin.

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

In Galvin, Washington, the average day length in May is 15h and 4min.

What time are sunrise and sunset in May in Galvin?

On the first day of May, sunrise is at 5:55 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:57 pm PDT.

How long on average sun shines in May in Galvin?

The average sunshine duration in May in Galvin is 8h.

How high is the UV index in May in Galvin?

In May, the average daily maximum UV index in Galvin, Washington, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Galvin, WA

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

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in May: 41.2°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure in May
Galvin, WA

Average pressure in May - Galvin, WA
  • Average pressure in May: 30.04"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 (30.02"Hg).

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Average wind speed in May
Galvin, WA

Average wind speed in May - Galvin, WA
  • Average wind speed in May: 4mph

The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).

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Average humidity in May
Galvin, WA

Average humidity in May - Galvin, WA
  • Average humidity in May: 78%

The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in May
Galvin, WA

Average rainfall in May - Galvin, WA
  • Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in May
Galvin, WA

Average rainfall days in May - Galvin, WA
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).

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Average snowfall in May
Galvin, WA

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

The month with the highest snowfall is February (1.54").
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
Galvin, WA

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

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Galvin, WA
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

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Average sunshine days in May
Galvin, WA

Average sunshine days in May - Galvin, WA
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).

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Average UV index in May
Galvin, WA

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

The months with the highest UV index are June and July (UV index 5).
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
Galvin, WA

Average cloud cover in May - Galvin, WA
  • Average cloud cover in May: 55

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in May
Galvin, WA

Average visibility in May - Galvin, WA
  • Average visibility in May: 4mi

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

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Galvin, Washington, USA

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