Climate and monthly weather forecastWest Longview, WA
Climate and monthly weather forecast
Weather in January
January is a frosty winter month in West Longview, Washington, with an average temperature varying between 33.4°F (0.8°C) and 44.2°F (6.8°C). Welcoming January, West Longview notes an average high-temperature of a frosty 44.2°F (6.8°C), nearly consistent with December's 42.3°F (5.7°C). Weather in January »Weather in February
February, the last month of the winter in West Longview, is also a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 33.3°F (0.7°C). The advent of February sees the average high-temperature at a still chilly 45.5°F (7.5°C), subtly shifted from January's 44.2°F (6.8°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in West Longview, Washington, with an average temperature varying between 50°F (10°C) and 34.7°F (1.5°C). The advent of March brings an average high-temperature of a fresh 50°F (10°C), almost identical to the preceding month. Weather in March »Weather in April
April is a refreshing spring month in West Longview, Washington, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 55.9°F (13.3°C). The start of April signals a slight increase in the average high-temperature, moving from a fresh 50°F (10°C) in March to a mild 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in West Longview, is a refreshing month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 40.8°F (4.9°C). The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from a moderate 55.9°F (13.3°C) in April to a still refreshing 64.8°F (18.2°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in West Longview, Washington, with an average temperature ranging between min 44.6°F (7°C) and max 69.4°F (20.8°C). West Longview registers an average high-temperature of a pleasant 69.4°F (20.8°C) with the arrival of June, showing minor deviation from the preceding month. Weather in June »Weather in July
July in West Longview, Washington, is a moderately hot summer month, with an average temperature ranging between max 76.8°F (24.9°C) and min 48.9°F (9.4°C). July signifies a subtle uplift in the average high-temperature, adjusting from an agreeable 69.4°F (20.8°C) in June to a moderately hot 76.8°F (24.9°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in West Longview, Washington, with an average temperature ranging between min 49.8°F (9.9°C) and max 77.9°F (25.5°C). The warmest period tends to be August, when average temperatures fluctuate between a high of 77.9°F (25.5°C) and a low of 49.8°F (9.9°C). Weather in August »Weather in September
September, the first month of the autumn in West Longview, is still a pleasant month, with an average temperature varying between 70.7°F (21.5°C) and 47.3°F (8.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from a warm 77.9°F (25.5°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »Weather in October
October, the same as September, in West Longview, Washington, is a moderate autumn month, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 59°F (15°C). October comes with a decrease in the average high-temperature, falling from an agreeable 70.7°F (21.5°C) in September to a moderate 59°F (15°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in West Longview, Washington, with an average temperature varying between 37.6°F (3.1°C) and 48.4°F (9.1°C). In November, the average high-temperature decreases from a refreshing 59°F (15°C) in October to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in West Longview, Washington, with an average temperature ranging between max 42.3°F (5.7°C) and min 32.7°F (0.4°C). In West Longview, December records the lowest average temperatures, peaking at 42.3°F (5.7°C) and reaching a low of 32.7°F (0.4°C). Weather in December »Updated: Feb 14, 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
January, February, November and December, with an average relative humidity of 88%, are most humid months in West Longview, Washington.
The month with the most rainfall in West Longview, Washington, is January, when the rain falls for 18.7 days and typically aggregates up to 3.9" (99mm) of precipitation.
Throughout the year, there are 175.5 rainfall days, and 25.83" (656mm) of precipitation is accumulated.
Months with snowfall in West Longview, Washington, are January through March, November and December.
January is the month with the most snowfall in West Longview. Snow falls for 1.7 days and accumulates 1.26" (32mm) of snow.
Throughout the year, there are 6.7 snowfall days, and 3.54" (90mm) of snow is accumulated.
January, February and December, with an average of 3.5h of sunshine, are months with the least sunshine.
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 West Longview, snow does not fall in April through October.
With an average of 15h and 42min of daylight, June has the longest days of the year in West Longview.
June and July, with an average maximum UV index of 5, are months with the highest UV index in West Longview.
July is the least humid month in West Longview, Washington, with an average relative humidity of 72%.
In West Longview, August is the month with the highest recorded average temperatures, measuring a high of 77.9°F (25.5°C) and a low of 49.8°F (9.9°C).
August is the month with the least rainfall in West Longview. Rain falls for 6.3 days and accumulates 0.39" (10mm) of precipitation.
August has the most sunshine of the year in West Longview, with an average of 10.4h of sunshine.
With an average maximum UV index of 1, November is the month with the lowest UV index in West Longview, Washington.
West Longview's coldest month, December, registers temperatures that range from a high of 42.3°F (5.7°C) to a low of 32.7°F (0.4°C).
The month with the shortest days is December, with an average of 8h and 42min of daylight.
Average temperature
West Longview, WA
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure
West Longview, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.05"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:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
West Longview, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4.4mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.1mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity
West Longview, WA
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall
West Longview, WA
- Average rainfall in January:
3.9" - Average rainfall in February:
2.8" - Average rainfall in March:
2.83" - Average rainfall in April:
2.28" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.39" - Average rainfall in September:
1.26" - Average rainfall in October:
2.83" - Average rainfall in November:
2.64" - Average rainfall in December:
3.58"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days
West Longview, WA
- Average rainfall days in January:
18.7 days - Average rainfall days in February:
16.7 days - Average rainfall days in March:
20.3 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
6.1 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
17.5 days - Average rainfall days in December:
18.5 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall
West Longview, WA
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
West Longview, WA
- Average snowfall days in January:
1.7 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0 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:
0.5 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Longview, WA
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 48min - Average sunshine in April:
6h and 18min - Average sunshine in May:
7h and 54min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 42min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days
West Longview, WA
- Average sunshine days in January:
10.6 days - Average sunshine days in February:
9.1 days - Average sunshine days in March:
8.9 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
22 days - Average sunshine days in August:
21.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index
West Longview, WA
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
West Longview, WA
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
West Longview, WA
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
