Climate and monthly weather forecastRuston, WA
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Ruston, Washington, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 35.2°F (1.8°C). The average high-temperature during January registers at a still chilly 45.5°F (7.5°C), maintaining a close resemblance to the previous month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Ruston, Washington, with an average temperature ranging between max 46.6°F (8.1°C) and min 34.3°F (1.3°C). The average high-temperature for February is a still chilly 46.6°F (8.1°C), closely aligning with the temperature of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Ruston, Washington, with an average temperature fluctuating between 37°F (2.8°C) and 51.8°F (11°C). Ruston registers an average high-temperature of a fresh 51.8°F (11°C) at the commencement of March, closely related to the preceding month. Weather in March »Weather in April
April is a refreshing spring month in Ruston, Washington, with an average temperature varying between 57.2°F (14°C) and 39.4°F (4.1°C). Ruston's weather shows a minor temperature rise with the arrival of April, moving from a cool 51.8°F (11°C) in March to a refreshing 57.2°F (14°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Ruston, Washington, with an average temperature varying between 65.8°F (18.8°C) and 43.5°F (6.4°C). Ruston's transition into May sees a mild rise in the average high-temperature, edging from 57.2°F (14°C) in April to a still refreshing 65.8°F (18.8°C). Weather in May »Weather in June
June, the first month of the summer in Ruston, is a pleasant month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 47.1°F (8.4°C). With the advent of June, Ruston's high-temperatures adjust to a pleasant 70.3°F (21.3°C), closely aligning with the preceding month. Weather in June »Weather in July
July is a warm summer month in Ruston, Washington, with an average temperature varying between 77.9°F (25.5°C) and 51.4°F (10.8°C). With the onset of July, Ruston's weather sees a minor temperature rise, transitioning from a pleasant 70.3°F (21.3°C) in June to a moderately hot 77.9°F (25.5°C). Weather in July »Weather in August
August, the last month of the summer in Ruston, is also a moderately hot month, with an average temperature fluctuating between 78.1°F (25.6°C) and 52.7°F (11.5°C). Ruston's warmest month, August, generally records average temperatures ranging from a high of 78.1°F (25.6°C) to a low of 52.7°F (11.5°C). Weather in August »Weather in September
September, the first month of the autumn in Ruston, is still a pleasant month, with an average temperature fluctuating between 70.9°F (21.6°C) and 49.5°F (9.7°C). September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 78.1°F (25.6°C) in August to an agreeable 70.9°F (21.6°C). Weather in September »Weather in October
October, the same as September, in Ruston, Washington, is another mild autumn month, with an average temperature ranging between max 59.2°F (15.1°C) and min 43.9°F (6.6°C). The transition into October indicates a reduction in the average high-temperature, down to a refreshing 59.2°F (15.1°C) from September's pleasant 70.9°F (21.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Ruston, Washington, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 49.6°F (9.8°C). A shift in the average high-temperature occurs in November, reducing from a moderate 59.2°F (15.1°C) in October to a frosty 49.6°F (9.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Ruston, Washington, with an average temperature ranging between max 43.7°F (6.5°C) and min 34.3°F (1.3°C). December is the month that records the lowest temperatures, with averages ranging from a high of 43.7°F (6.5°C) to a low of 34.3°F (1.3°C). Weather in December »Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the highest humidity are January and December, with an average relative humidity of 87%.
Throughout the year, there are 172.9 rainfall days, and 30.08" (764mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
Throughout the year, there are 8.9 snowfall days, and 5.04" (128mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 3.2 days and typically aggregates up to 2.28" (58mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
In Ruston, Washington, snow does not fall in April through October.
The month with the longest days in Ruston is June, with an average of 15h and 54min of daylight.
The least humid month in Ruston is July, with an average relative humidity of 68%.
The month with the least rainfall is July, when the rain falls for 6.3 days and typically collects 0.39" (10mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
The warmest temperatures occur during August, when averages reach a peak of 78.1°F (25.6°C) and a low of 52.7°F (11.5°C).
The month with the most sunshine is August, with an average of 10.6h of sunshine.
Ruston's temperature records reveal December as the coldest month, marked by average highs of 43.7°F (6.5°C) and lows of 34.3°F (1.3°C).
The month with the most rainfall is December, when the rain falls for 18.4 days and typically aggregates up to 4.69" (119mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 30min of daylight.
The month with the least sunshine is December, with an average of 4h of sunshine.
Average temperature
Ruston, WA
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure
Ruston, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"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 (30.01"Hg).
Average wind speed
Ruston, WA
- Average wind speed in January:
5mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
4mph - Average wind speed in October:
4.4mph - Average wind speed in November:
5mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Ruston, WA
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall
Ruston, WA
- Average rainfall in January:
4.53" - Average rainfall in February:
2.83" - Average rainfall in March:
3.07" - Average rainfall in April:
2.44" - Average rainfall in May:
1.57" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.55" - Average rainfall in September:
1.54" - Average rainfall in October:
3.46" - Average rainfall in November:
3.86" - Average rainfall in December:
4.69"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Ruston, WA
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
20.1 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
6.3 days - Average rainfall days in August:
5 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
15.3 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
18.4 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall
Ruston, WA
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Ruston, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.7 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Ruston, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 36min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days
Ruston, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
9 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
22.5 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
9.4 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index
Ruston, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Ruston, WA
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Ruston, WA
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).
