May weather forecast
Littlerock, WA

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Weather in May

May, the last month of the spring in Littlerock, is a refreshing month, with an average temperature ranging between max 65.7°F (18.7°C) and min 41.9°F (5.5°C).

Temperature

As Littlerock enters May, the average high-temperature marginally increases from the a moderate 57°F (13.9°C) of April to a comfortable 65.7°F (18.7°C). Contrasted against daytime highs, Littlerock records an average nighttime low of 41.9°F (5.5°C) in May.

Humidity

The average relative humidity in May in Littlerock is 77%.

Rainfall

In Littlerock, during May, the rain falls for 13.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 177.4 rainfall days, and 37.05" (941mm) of precipitation is accumulated.

Snowfall

In Littlerock, Washington, snow does not fall in April through October.

Daylight

The average length of the day in May in Littlerock is 15h and 5min.
On the first day of May, sunrise is at 5:55 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:58 pm PDT.

Sunshine

The average sunshine in May in Littlerock, Washington, is 8.1h.

UV index

In May, the average daily maximum UV index in Littlerock is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are May temperatures in Littlerock?

In Littlerock, 65.7°F (18.7°C) is the average high-temperature and 41.9°F (5.5°C) is the average low-temperature during May.

What is the average humidity in May in Littlerock?

In Littlerock, Washington, the average relative humidity in May is 77%.

How many days does it rain in May in Littlerock?

In Littlerock, Washington, in May, it is raining for 13.5 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Littlerock?

April through October are months without snowfall in Littlerock, Washington.

How many hours of daylight does Littlerock have in May?

In May, the average day length in Littlerock is 15h and 5min.

When is the sunrise / sunset in May in Littlerock?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:23 pm. On the last day of the month, in Littlerock, sunrise is at 5:21 am and sunset at 8:58 pm PDT.

How many hours of sunshine does Littlerock have in May?

In May, the average sunshine duration in Littlerock, Washington, is 8.1h.

What is the UV index intensity in May in Littlerock?

In May, the average daily maximum UV index in Littlerock is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Littlerock, WA

Average temperature in May - Littlerock, WA
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in May: 41.9°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

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Average pressure in May
Littlerock, WA

Average pressure in May - Littlerock, WA
  • Average pressure in May: 30.04"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in May
Littlerock, WA

Average wind speed in May - Littlerock, WA
  • Average wind speed in May: 4.3mph

The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

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Average humidity in May
Littlerock, WA

Average humidity in May - Littlerock, WA
  • Average humidity in May: 77%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in May
Littlerock, WA

Average rainfall in May - Littlerock, WA
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in May
Littlerock, WA

Average rainfall days in May - Littlerock, WA
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).

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Average snowfall in May
Littlerock, WA

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

The month with the highest snowfall is February (2.32").
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
Littlerock, WA

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

The month with the highest number of snowfall days is February (3.3 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
Littlerock, WA

Average daylight in May / Average sunshine in May - Littlerock, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in May
Littlerock, WA

Average sunshine days in May - Littlerock, WA
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in May
Littlerock, WA

Average UV index in May - Littlerock, 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
Littlerock, WA

Average cloud cover in May - Littlerock, WA
  • Average cloud cover in May: 53

The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in May
Littlerock, WA

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

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