May weather forecast
Centralia, WA

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Weather in May

The last month of the spring, May, is an enjoyable month in Centralia, Washington, with an average temperature ranging between min 41.2°F (5.1°C) and max 64.9°F (18.3°C).

Temperature

As Centralia welcomes May, the average high-temperature sees a modest rise, transitioning from a mild 56.7°F (13.7°C) in April to a comfortable 64.9°F (18.3°C). May nights in Centralia, Washington, present a sharp contrast to daytime highs, with average temperatures of 41.2°F (5.1°C).

Humidity

In Centralia, the average relative humidity in May is 78%.

Rainfall

In Centralia, during May, the rain falls for 13.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Centralia, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day in Centralia is 15h and 4min.
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.

Sunshine

In May, the average sunshine is 8h.

UV index

In Centralia, Washington, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 4 in May transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What are May temperatures in Centralia?

The high-temperature, in May, in Centralia, is 64.9°F (18.3°C), while the low-temperature averages to 41.2°F (5.1°C).

What is the average humidity in May in Centralia?

In May, the average relative humidity in Centralia is 78%.

How much does it rain in Centralia in May?

In Centralia, in May, it is raining for 13.4 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Centralia?

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

How many hours of daylight does Centralia have in May?

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

When is the sunrise / sunset in May in Centralia?

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

How many hours of sunshine does Centralia have in May?

In Centralia, Washington, the average sunshine duration in May is 8h.

What is the UV index intensity in May in Centralia?

The average daily maximum UV index in May in Centralia, Washington, is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Centralia, WA

Average temperature in May - Centralia, 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
Centralia, WA

Average pressure in May - Centralia, 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
Centralia, WA

Average wind speed in May - Centralia, 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
Centralia, WA

Average humidity in May - Centralia, 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
Centralia, WA

Average rainfall in May - Centralia, 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
Centralia, WA

Average rainfall days in May - Centralia, 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
Centralia, WA

Average snowfall in May - Centralia, 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
Centralia, WA

Average snowfall days in May - Centralia, 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
Centralia, WA

Average daylight in May / Average sunshine in May - Centralia, 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
Centralia, WA

Average sunshine days in May - Centralia, 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
Centralia, WA

Average UV index in May - Centralia, 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
Centralia, WA

Average cloud cover in May - Centralia, 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
Centralia, WA

Average visibility in May - Centralia, 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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Centralia, Washington, USA

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