May weather forecast
Curtis, WA

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Weather in May

The last month of the spring, May, is a refreshing month in Curtis, Washington, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 64.8°F (18.2°C).

Temperature

The shift from April to May is marked by a slight increase in the average high-temperature, moving from a moderate 56.1°F (13.4°C) to an enjoyable 64.8°F (18.2°C). Curtis registers a prominent dip from daytime highs, with an average of 40.8°F (4.9°C) during the nights of May.

Humidity

The average relative humidity in May is 78%.

Rainfall

In Curtis, during May, the rain falls for 14.6 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 185.5 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Curtis, the average length of the day in May is 15h and 3min.
On the first day of May in Curtis, sunrise is at 5:56 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:57 pm PDT.

Sunshine

In Curtis, the average sunshine in May is 8h.

UV index

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are May temperatures in Curtis?

An average high-temperature, in May, in Curtis, is 64.8°F (18.2°C) and the average low-temperature is 40.8°F (4.9°C).

What is the average humidity in May in Curtis?

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

How much does it rain in Curtis in May?

In Curtis, Washington, in May, during 14.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Curtis?

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

How many hours of daylight does Curtis have in May?

The average day length in May in Curtis is 15h and 3min.

When are sunrise and sunset in May in Curtis?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 8:22 pm. On the last day of the month, in Curtis, Washington, sunrise is at 5:22 am and sunset at 8:57 pm PDT.

How many hours of sunshine does Curtis have in May?

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

What is the UV index intensity in May in Curtis?

In Curtis, Washington, the average daily maximum UV index in May is 4. 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Curtis, WA

Average temperature in May - Curtis, WA
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in May: 40.8°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure in May
Curtis, WA

Average pressure in May - Curtis, 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
Curtis, WA

Average wind speed in May - Curtis, 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
Curtis, WA

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

The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in May
Curtis, WA

Average rainfall in May - Curtis, WA
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in May
Curtis, WA

Average rainfall days in May - Curtis, WA
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).

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Average snowfall in May
Curtis, WA

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

The month with the highest snowfall is February (1.93").
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
Curtis, WA

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

The month with the highest number of snowfall days is February (3.5 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
Curtis, WA

Average daylight in May / Average sunshine in May - Curtis, WA
  • Average daylight in May: 15h and 0min

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 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

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Average sunshine days in May
Curtis, WA

Average sunshine days in May - Curtis, WA
  • Average sunshine days in May: 15 days

The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).

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Average UV index in May
Curtis, WA

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

The month with the highest UV index is 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
Curtis, WA

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

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in May
Curtis, WA

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

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

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Curtis, Washington, USA

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