October weather forecast
Lyman, WA

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Weather in October

October, the same as September, is a cool autumn month in Lyman, Washington, with an average temperature fluctuating between 42.4°F (5.8°C) and 55°F (12.8°C).

Temperature

In Lyman, the average high-temperature in October drops from an enjoyable 64.2°F (17.9°C) in September to a fresh 55°F (12.8°C). The average nighttime temperature in Lyman lowers to an icy 42.4°F (5.8°C) throughout October.

Humidity

In Lyman, the average relative humidity in October is 82%.

Rainfall

In October, the rain falls for 17.7 days. Throughout October, 5.16" (131mm) of precipitation is accumulated. Throughout the year, in Lyman, Washington, there are 203.2 rainfall days, and 49.72" (1263mm) of precipitation is accumulated.

Snowfall

In Lyman, snow does not fall in May through October.

Daylight

In October, the average length of the day in Lyman, Washington, is 10h and 47min.
On the first day of October, sunrise is at 7:08 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:49 pm PDT.

Sunshine

In October, the average sunshine is 5.1h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 2 during October translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

An average high-temperature, in October, in Lyman, is 55°F (12.8°C) and the average low-temperature is 42.4°F (5.8°C).

What is the average humidity in October?

The average relative humidity in October is 82%.

How many days does it rain in October?

In Lyman, in October, during 17.7 rainfall days, 5.16" (131mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in October?

In Lyman, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Lyman have in October?

The average day length in October is 10h and 47min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:08 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:49 pm PDT.

How long on average sun shines in October?

In Lyman, the average sunshine duration in October is 5.1h.

What are the months with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in October?

In Lyman, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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 October
Lyman, WA

Average temperature in October - Lyman, WA
  • Average high temperature in October: 55°F

The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).

  • Average low temperature in October: 42.4°F

The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).

Average pressure in October
Lyman, WA

Average pressure in October - Lyman, WA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in October
Lyman, WA

Average wind speed in October - Lyman, WA
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in October
Lyman, WA

Average humidity in October - Lyman, WA
  • Average humidity in October: 82%

The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).

Average rainfall in October
Lyman, WA

Average rainfall in October - Lyman, WA
  • Average rainfall in October: 5.16"

The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").

Average rainfall days in October
Lyman, WA

Average rainfall days in October - Lyman, WA
  • Average rainfall days in October: 17.7 days

The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).

Average snowfall in October
Lyman, WA

Average snowfall in October - Lyman, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Lyman, WA

Average snowfall days in October - Lyman, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Lyman, WA

Average daylight in October / Average sunshine in October - Lyman, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in October
Lyman, WA

Average sunshine days in October - Lyman, WA
  • Average sunshine days in October: 12.4 days

The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).

Average UV index in October
Lyman, WA

Average UV index in October - Lyman, WA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in October
Lyman, WA

Average cloud cover in October - Lyman, WA
  • Average cloud cover in October: 47

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in October
Lyman, WA

Average visibility in October - Lyman, WA
  • Average visibility in October: 5mi

The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).

Lyman, Washington, USA

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