August weather forecast
Curtis, WA

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Weather in August

The last month of the summer, August, is another warm month in Curtis, Washington, with temperature in the range of an average low of 50°F (10°C) and an average high of 77.5°F (25.3°C).

Temperature

August, having an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 50°F (10°C), is the warmest month.

Humidity

The average relative humidity in August is 74%.

Rainfall

In August, the rain falls for 6.4 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. In Curtis, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 14h and 8min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:52 pm PDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year.

UV index

In Curtis, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 4 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Curtis?

The warmest period tends to be August, when average temperatures fluctuate between a high of 77.5°F (25.3°C) and a low of 50°F (10°C).

What is the temperature in August?

August temperatures vary between a high-temperature of 77.5°F (25.3°C) and a low-temperature of 50°F (10°C).

What is the average humidity in August?

In Curtis, the average relative humidity in August is 74%.

How much does it rain in August?

In Curtis, in August, during 6.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August in Curtis?

In Curtis, Washington, the average day length in August is 14h and 8min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:52 pm PDT.

What month has the most sunshine?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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 August
Curtis, WA

Average temperature in August - Curtis, WA
  • Average high temperature in August: 77.5°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 August: 50°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).

Average pressure in August
Curtis, WA

Average pressure in August - Curtis, WA
  • Average pressure in August: 30.02"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).

Average wind speed in August
Curtis, WA

Average wind speed in August - Curtis, WA
  • Average wind speed in August: 3.7mph

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).

Average humidity in August
Curtis, WA

Average humidity in August - Curtis, WA
  • Average humidity in August: 74%

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

Average rainfall in August
Curtis, WA

Average rainfall in August - Curtis, WA
  • Average rainfall in August: 0.55"

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

Average rainfall days in August
Curtis, WA

Average rainfall days in August - Curtis, WA
  • Average rainfall days in August: 6.4 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).

Average snowfall in August
Curtis, WA

Average snowfall in August - Curtis, WA
  • Average snowfall in August: 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").

Average snowfall days in August
Curtis, WA

Average snowfall days in August - Curtis, WA
  • Average snowfall days in August: 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).

Average daylight in August /
Average sunshine in August
Curtis, WA

Average daylight in August / Average sunshine in August - Curtis, WA
  • Average daylight in August: 14h 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 August: 10h 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 30min).

Average sunshine days in August
Curtis, WA

Average sunshine days in August - Curtis, WA
  • Average sunshine days in August: 20.8 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).

Average UV index in August
Curtis, WA

Average UV index in August - Curtis, WA
  • Average UV index in August: 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).

Average cloud cover in August
Curtis, WA

Average cloud cover in August - Curtis, WA
  • Average cloud cover in August: 38

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).

Average visibility in August
Curtis, WA

Average visibility in August - Curtis, WA
  • Average visibility in August: 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).

Curtis, Washington, USA

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