Climate and monthly weather forecastGranite Falls, WA
Climate and monthly weather forecast
Weather in January
January in Granite Falls, Washington, is a frosty winter month, with an average temperature varying between 35.8°F (2.1°C) and 44.1°F (6.7°C). The advent of January brings an average high-temperature of a chilly 44.1°F (6.7°C), exhibiting minor difference from the previous month. Weather in January »Weather in February
February, the last month of the winter in Granite Falls, is also a frosty month, with an average temperature ranging between min 35.2°F (1.8°C) and max 44.8°F (7.1°C). February ushers in an average high-temperature of a still frosty 44.8°F (7.1°C), aligning closely with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Granite Falls, Washington, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 37°F (2.8°C). The transition into March notes an average high-temperature of a still frosty 48.9°F (9.4°C), revealing a mild distinction from the 44.8°F (7.1°C) in February. Weather in March »Weather in April
April is a cool spring month in Granite Falls, Washington, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 40.3°F (4.6°C). April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's frosty 48.9°F (9.4°C) to a cool 54.3°F (12.4°C). Weather in April »Weather in May
May, the last month of the spring in Granite Falls, is a refreshing month, with an average temperature varying between 62.2°F (16.8°C) and 44.8°F (7.1°C). A slight uplift in the average high-temperature marks May, adjusting from April's cool 54.3°F (12.4°C) to a refreshing 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 Granite Falls, Washington, with an average temperature ranging between min 47.7°F (8.7°C) and max 66.2°F (19°C). Granite Falls's average high-temperature in June is a still enjoyable 66.2°F (19°C), indicating a subtle variation from May. Weather in June »Weather in July
July is an agreeable summer month in Granite Falls, Washington, with an average temperature varying between 72.1°F (22.3°C) and 51.4°F (10.8°C). A slight uplift in the average high-temperature marks July, adjusting from June's comfortable 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 Granite Falls, is also an agreeable month, with an average temperature ranging between max 73°F (22.8°C) and min 52.5°F (11.4°C). In Granite Falls, Washington, the month of August is known for its highest average temperatures, reaching a high of 73°F (22.8°C) and a low of 52.5°F (11.4°C). Weather in August »Weather in September
September, the first month of the autumn in Granite Falls, is still a refreshing month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 50°F (10°C). The average high-temperature slightly decreases in September, shifting from a pleasant 73°F (22.8°C) in August to a refreshing 67.1°F (19.5°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Granite Falls, Washington, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 44.4°F (6.9°C). The average high-temperature drops in October, from September's comfortable 67.1°F (19.5°C) to a mild 57°F (13.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Granite Falls, Washington, with an average temperature varying between 47.7°F (8.7°C) and 39.2°F (4°C). With the onset of November, Granite Falls experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 57°F (13.9°C) in October to a frosty 47.7°F (8.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Granite Falls, Washington, with an average temperature varying between 42.3°F (5.7°C) and 34.7°F (1.5°C). Granite Falls's December weather, with an average high temperature of 42.3°F (5.7°C) and an average low temperature of 34.7°F (1.5°C), tends to be the coldest of the year. 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 months with the highest humidity in Granite Falls are January and December, with an average relative humidity of 85%.
Throughout the year, in Granite Falls, Washington, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.
Months with snowfall in Granite Falls are January through April, November and December.
Throughout the year, in Granite Falls, Washington, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.
The months with the least sunshine in Granite Falls, Washington, are January and December, with an average of 4.2h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall in Granite Falls, Washington. Snow falls for 3.1 days and accumulates 2.68" (68mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Granite Falls, 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 Granite Falls, Washington, snow does not fall in May through October.
With an average of 16h and 0min of daylight, June has the longest days of the year in Granite Falls, Washington.
The months with the highest UV index in Granite Falls are June and July, with an average maximum UV index of 5.
The least humid month is July, with an average relative humidity of 73%.
The month with the least rainfall in Granite Falls is July, when the rain falls for 7.3 days and typically collects 0.47" (12mm) of precipitation.
August stands out as Granite Falls's warmest month, with an average high-temperature of 73°F (22.8°C) and a low-temperature of 52.5°F (11.4°C).
With an average of 10.6h of sunshine, August has the most sunshine of the year in Granite Falls, Washington.
The month with the most rainfall is November, when the rain falls for 19.7 days and typically aggregates up to 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).
December has the shortest days of the year, with an average of 8h and 24min of daylight.
Average temperature
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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 daylight / Average sunshine
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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
Granite Falls, 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).
