Climate and monthly weather forecastLynden, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Lynden, Washington, with an average temperature varying between 32.9°F (0.5°C) and 41.2°F (5.1°C). The advent of January denotes an average high-temperature of a still icy 41.2°F (5.1°C), subtly different from December's 39.6°F (4.2°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Lynden, Washington, with an average temperature fluctuating between 42.3°F (5.7°C) and 31.6°F (-0.2°C). February's arrival brings an average high-temperature of a still wintry 42.3°F (5.7°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Lynden, is a chilly month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 47.1°F (8.4°C). The advent of March signifies a minor shift to an average high-temperature of a chilly 47.1°F (8.4°C), aligning closely with February. Weather in March »Weather in April
April is a fresh spring month in Lynden, Washington, with an average temperature fluctuating between 38.1°F (3.4°C) and 54°F (12.2°C). The onset of April marks a slight increase in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in March to a fresh 54°F (12.2°C). Weather in April »Weather in May
May, the last month of the spring in Lynden, is a comfortable month, with an average temperature ranging between min 43°F (6.1°C) and max 62.6°F (17°C). The start of May signals a slight increase in the average high-temperature, moving from a fresh 54°F (12.2°C) in April to a refreshing 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is also an enjoyable month in Lynden, Washington, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 46°F (7.8°C). Entering June, Lynden's average high-temperature reads a still enjoyable 66.2°F (19°C), indicating a close resemblance to the previous month's climate. Weather in June »Weather in July
July in Lynden, Washington, is an agreeable summer month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 49.6°F (9.8°C). With the beginning of July, Lynden's average high-temperature sees a minor increase, transitioning from a refreshing 66.2°F (19°C) in June to a pleasant 73°F (22.8°C). Weather in July »Weather in August
The last month of the summer, August, is a warm month in Lynden, Washington, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 51.4°F (10.8°C). With its high average temperature of 73.6°F (23.1°C) and a low of 51.4°F (10.8°C), August is regarded as the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Lynden, Washington, with an average temperature fluctuating between 66.7°F (19.3°C) and 47.5°F (8.6°C). A minor decrease in the average high-temperature is observed during September, shifting from a warm 73.6°F (23.1°C) in August to a refreshing 66.7°F (19.3°C). Weather in September »Weather in October
October, the same as September, in Lynden, Washington, is another mild autumn month, with an average temperature fluctuating between 42.3°F (5.7°C) and 56.1°F (13.4°C). The onset of October brings a small change in high-temperatures, falling from a comfortable 66.7°F (19.3°C) in September to a mild 56.1°F (13.4°C). Weather in October »Weather in November
November, the last month of the autumn in Lynden, is another chilly month, with an average temperature fluctuating between 45.7°F (7.6°C) and 36.5°F (2.5°C). Lynden's progression into November includes a drop in the average high-temperature, from a refreshing 56.1°F (13.4°C) in October to a chilly 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Lynden, Washington, with an average temperature varying between 39.6°F (4.2°C) and 31.6°F (-0.2°C). December is the coldest month, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 31.6°F (-0.2°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
The most humid month is January, with an average relative humidity of 87%.
Throughout the year, there are 188 rainfall days, and 49.88" (1267mm) of precipitation is accumulated.
Months with snowfall in Lynden are January through April, November and December.
Throughout the year, there are 14.7 snowfall days, and 10.2" (259mm) of snow is accumulated.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Lynden, Washington.
February is the month with the most snowfall in Lynden. Snow falls for 4.7 days and accumulates 3.11" (79mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lynden, 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 Lynden, Washington, snow does not fall in May through October.
The month with the longest days in Lynden is June, with an average of 16h and 6min of daylight.
With an average relative humidity of 73%, July is the least humid month in Lynden, Washington.
The month with the least rainfall is July, when the rain falls for 8.3 days and typically collects 0.91" (23mm) of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 5.
Lynden's temperature records reveal August as the warmest month, marked by average highs of 73.6°F (23.1°C) and lows of 51.4°F (10.8°C).
With an average of 10.3h of sunshine, August has the most sunshine of the year in Lynden.
The month with the most rainfall is November, when the rain falls for 20.2 days and typically aggregates up to 7.72" (196mm) of precipitation.
December is the coldest month, exhibiting average temperatures of 39.6°F (4.2°C) at the peak and 31.6°F (-0.2°C) at the base.
December has the shortest days of the year in Lynden, Washington, with an average of 8h and 18min of daylight.
December has the least sunshine of the year, with an average of 3.8h of sunshine.
Average temperature
Lynden, WA
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (39.6°F).
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure
Lynden, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30.01"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 months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed
Lynden, WA
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.5mph - Average wind speed in April:
4.1mph - Average wind speed in May:
3.6mph - Average wind speed in June:
3.5mph
- Average wind speed in July:
3.5mph - Average wind speed in August:
3.2mph - Average wind speed in September:
3.4mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.5mph
The windiest months (with the highest average wind speed) are January and February (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity
Lynden, WA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Lynden, WA
- Average rainfall in January:
7.01" - Average rainfall in February:
4.13" - Average rainfall in March:
5.94" - Average rainfall in April:
3.66" - Average rainfall in May:
2.52" - Average rainfall in June:
1.73"
- Average rainfall in July:
0.91" - Average rainfall in August:
1.18" - Average rainfall in September:
2.87" - Average rainfall in October:
5.35" - Average rainfall in November:
7.72" - Average rainfall in December:
6.85"
The wettest month (with the highest rainfall) is November (7.72").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days
Lynden, WA
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
15.6 days - Average rainfall days in March:
20.5 days - Average rainfall days in April:
18.7 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
8.3 days - Average rainfall days in August:
7.8 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
17.1 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
19.2 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall
Lynden, WA
The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Lynden, WA
- Average snowfall days in January:
2.9 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.4 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:
1.1 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Lynden, WA
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
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 18min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 48min
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 48min).
Average sunshine days
Lynden, WA
- Average sunshine days in January:
11 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
21 days - Average sunshine days in August:
21 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
8.8 days - Average sunshine days in December:
10.3 days
The months with the most sunshine days are July and August (21 days).
The month with the least sunshine days is March (8.4 days).
Average UV index
Lynden, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Lynden, WA
The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Lynden, WA
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
