Climate and monthly weather forecastLangley, WA
Climate and monthly weather forecast
Weather in January
January is a chilly winter month in Langley, Washington, with an average temperature fluctuating between 35.8°F (2.1°C) and 44.1°F (6.7°C). The beginning of January reveals an average high-temperature of a chilly 44.1°F (6.7°C), showing minimal deviation from the previous month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Langley, Washington, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 35.2°F (1.8°C). February reports an average high-temperature of a still frosty 44.8°F (7.1°C), slightly varied from January's 44.1°F (6.7°C). Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Langley, Washington, with an average temperature ranging between max 48.9°F (9.4°C) and min 37°F (2.8°C). The onset of March brings with it an average high-temperature of a still frosty 48.9°F (9.4°C), showing a negligible variation from the month before. Weather in March »Weather in April
April in Langley, Washington, is a cool spring month, with an average temperature ranging between max 54.3°F (12.4°C) and min 40.3°F (4.6°C). April's arrival brings a modest temperature shift, moving from a frosty 48.9°F (9.4°C) in March to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Langley, Washington, with an average temperature fluctuating between 44.8°F (7.1°C) and 62.2°F (16.8°C). The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from a cool 54.3°F (12.4°C) in April to an enjoyable 62.2°F (16.8°C). Weather in May »Weather in June
The first month of the summer, June, is also an enjoyable month in Langley, Washington, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 66.2°F (19°C). At the onset of June, Langley records an average high-temperature of a still refreshing 66.2°F (19°C), showing little deviation from the preceding month. Weather in June »Weather in July
July is an agreeable summer month in Langley, Washington, with an average temperature fluctuating between 51.4°F (10.8°C) and 72.1°F (22.3°C). As July arrives, Langley's weather shows a minor increase in high-temperatures, edging from June's enjoyable 66.2°F (19°C) to a pleasant 72.1°F (22.3°C). Weather in July »Weather in August
August, the last month of the summer in Langley, is another pleasant month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 73°F (22.8°C). Langley's temperatures peak on average in August, reaching 73°F (22.8°C) at their highest and 52.5°F (11.4°C) at their lowest. Weather in August »Weather in September
September, the first month of the autumn in Langley, is also an enjoyable month, with an average temperature ranging between min 50°F (10°C) and max 67.1°F (19.5°C). September implies a soft temperature shift, with average high-temperatures reducing from August's pleasant 73°F (22.8°C) to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, the same as September, in Langley, Washington, is a moderate autumn month, with an average temperature fluctuating between 44.4°F (6.9°C) and 57°F (13.9°C). Langley in October demonstrates a small temperature transition, adjusting from an average high of a refreshing 67.1°F (19.5°C) in September to a moderate 57°F (13.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Langley, Washington, with an average temperature varying between 39.2°F (4°C) and 47.7°F (8.7°C). November involves a decrease in temperature, down from a refreshing 57°F (13.9°C) in October to a chilly 47.7°F (8.7°C). Weather in November »Weather in December
December, the first month of the winter in Langley, is still a cold month, with an average temperature ranging between max 42.3°F (5.7°C) and min 34.7°F (1.5°C). Langley experiences its lowest temperatures in December, with an average peak of 42.3°F (5.7°C) and a low of 34.7°F (1.5°C). Weather in December »Updated: Jul 9, 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 85%.
Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
In Langley, during the entire year, snow falls for 8.9 days and aggregates up to 6.1" (155mm) of snow.
January through April, with an average ocean temperature of 45.1°F (7.3°C), are months with the coldest seawater.
January and December, with an average of 4.2h of sunshine, are months with the least sunshine in Langley.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 3.1 days and typically aggregates up to 2.68" (68mm) 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.
May through October are months without snowfall.
June has the longest days of the year, with an average of 16h and 0min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
With an average relative humidity of 73%, July is the least humid month.
The month with the least rainfall is July, when the rain falls for 7.3 days and typically collects 0.47" (12mm) of precipitation.
The warmest month is August, with an average high-temperature of 73°F (22.8°C) and an average low-temperature of 52.5°F (11.4°C).
The month with the warmest seawater is August, with an average ocean temperature of 53.2°F (11.8°C).
With an average of 10.6h of sunshine, August has the most sunshine of the year.
November is the month with the most rainfall. Rain falls for 19.7 days and accumulates 4.06" (103mm) of precipitation.
December is the coldest month, with the temperature often reaching an average high of 42.3°F (5.7°C) and an average low of 34.7°F (1.5°C).
With an average of 8h and 24min of daylight, December has the shortest days of the year.
Average temperature
Langley, WA
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure
Langley, 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:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"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
Langley, WA
- Average wind speed in January:
5.7mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5mph - Average wind speed in May:
4.1mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.6mph - Average wind speed in August:
3.5mph - Average wind speed in September:
4mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
Langley, WA
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Langley, WA
- Average rainfall in January:
3.94" - Average rainfall in February:
3.03" - Average rainfall in March:
3.11" - Average rainfall in April:
2.64" - Average rainfall in May:
1.81" - Average rainfall in June:
1.3"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.51" - Average rainfall in September:
1.77" - Average rainfall in October:
3.11" - Average rainfall in November:
4.06" - Average rainfall in December:
3.82"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days
Langley, WA
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
16.7 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
7.3 days - Average rainfall days in August:
6.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
19.7 days - Average rainfall days in December:
19.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall
Langley, WA
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Langley, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
1.6 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:
1.5 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Langley, WA
The best month for swimming (with the highest average sea temperature) is August (53.3°F).
The coldest months (with the lowest average sea temperature) are February and March (45.1°F).
Average daylight / Average sunshine
Langley, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 12min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days
Langley, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
15.2 days
- Average sunshine days in July:
21.5 days - Average sunshine days in August:
23.1 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
8.6 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index
Langley, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Langley, WA
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Langley, WA
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
