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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Sultan, Washington, with an average temperature ranging between min 29.7°F (-1.3°C) and max 39.9°F (4.4°C). December's transformation into January witnesses an average high-temperature of a still icy 39.9°F (4.4°C), noting a minor change from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Sultan, Washington, with an average temperature ranging between min 29.3°F (-1.5°C) and max 40.6°F (4.8°C). As January transitions into February, the average high-temperature rests at a still wintry 40.6°F (4.8°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Sultan, Washington, with an average temperature fluctuating between 45.1°F (7.3°C) and 31.5°F (-0.3°C). Sultan's March showcases an average high-temperature of a chilly 45.1°F (7.3°C), hardly distinct from February's 40.6°F (4.8°C). Weather in March »
Weather in April
April is a fresh spring month in Sultan, Washington, with an average temperature ranging between max 51.1°F (10.6°C) and min 34.7°F (1.5°C). In April, the average high-temperature marginally rises from a chilly 45.1°F (7.3°C) in March to a fresh 51.1°F (10.6°C). Weather in April »
Weather in May
May, the last month of the spring in Sultan, is a mild month, with an average temperature fluctuating between 40.1°F (4.5°C) and 60.4°F (15.8°C). With the arrival of May, the average high-temperature transitions from a fresh 51.1°F (10.6°C) in April to a mild 60.4°F (15.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Sultan, Washington, with an average temperature varying between 43°F (6.1°C) and 64.9°F (18.3°C). Sultan observes an average high-temperature of a still refreshing 64.9°F (18.3°C) in June, barely different from 60.4°F (15.8°C) in May. Weather in June »
Weather in July
July in Sultan, Washington, is a pleasant summer month, with an average temperature fluctuating between 46.6°F (8.1°C) and 72.9°F (22.7°C). Sultan observes a slight uplift in the average high-temperature with the onset of July, adjusting from June's enjoyable 64.9°F (18.3°C) to a pleasant 72.9°F (22.7°C). Weather in July »
Weather in August
August, the last month of the summer in Sultan, is a moderately hot month, with an average temperature ranging between min 48°F (8.9°C) and max 73.4°F (23°C). August is the warmest month, with the temperature often reaching an average high of 73.4°F (23°C) and an average low of 48°F (8.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Sultan, Washington, with an average temperature fluctuating between 45°F (7.2°C) and 66.4°F (19.1°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 73.4°F (23°C) to a refreshing 66.4°F (19.1°C). Weather in September »
Weather in October
October, like September, in Sultan, Washington, is a cool autumn month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 54.5°F (12.5°C). With the onset of October, Sultan's average high-temperature adjusts, receding from September's refreshing 66.4°F (19.1°C) to a fresh 54.5°F (12.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sultan, is also a frosty month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 34.3°F (1.3°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a fresh 54.5°F (12.5°C) in October to a frosty 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Sultan, Washington, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 28.6°F (-1.9°C). With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 28.6°F (-1.9°C), December is the coldest month. Weather in December »
Updated: Aug 8, 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
What are the most humid months?
January through March, with an average relative humidity of 88%, are most humid months.
What is the wettest month?
January is the month with the most rainfall. Rain falls for 19.5 days and accumulates 7.8" (198mm) of precipitation.
How many days does it rain?
In Sultan, during the entire year, the rain falls for 200.6 days and collects up to 51.65" (1312mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, there are 15.9 snowfall days, and 14.41" (366mm) of snow is accumulated.
What are the months with the least sunshine?
January and December, with an average of 3.7h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 5.2 days and accumulates 5.43" (138mm) of snow.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
The month with the longest days in Sultan, Washington, is June, with an average of 16h and 0min of daylight.
What is the least humid month?
July is the least humid month, with an average relative humidity of 72%.
What is the month with the highest UV index in Sultan?
July is the month with the highest UV index, with an average maximum UV index of 5.
What are the warmest months?
August is the month when Sultan experiences its warmest temperatures, averaging a high of 73.4°F (23°C) and a low of 48°F (8.9°C).
What is the driest month?
The month with the least rainfall is August, when the rain falls for 7.9 days and typically collects 0.79" (20mm) of precipitation.
What month has the most sunshine?
With an average of 10.4h of sunshine, August has the most sunshine of the year.
What time of the year is the coldest in Sultan?
The coldest time of the year in Sultan is December, with temperatures averaging a high of 38.3°F (3.5°C) and a low of 28.6°F (-1.9°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average temperature
Sultan, WA
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is December (38.3°F).
The month with the highest average low temperature is August (48°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure
Sultan, WA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed
Sultan, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.2mph - Average wind speed in March:
4.3mph - Average wind speed in April:
3.7mph - Average wind speed in May:
3.4mph - Average wind speed in June:
3.3mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.2mph - Average wind speed in September:
3.3mph - Average wind speed in October:
3.7mph - Average wind speed in November:
4.4mph - Average wind speed in December:
4.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity
Sultan, WA
The months with the highest relative humidity are January, February and March (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Sultan, WA
- Average rainfall in January:
7.8" - Average rainfall in February:
6.06" - Average rainfall in March:
5.75" - Average rainfall in April:
4.25" - Average rainfall in May:
2.76" - Average rainfall in June:
1.97"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.79" - Average rainfall in September:
2.24" - Average rainfall in October:
5.35" - Average rainfall in November:
6.38" - Average rainfall in December:
7.48"
The wettest month (with the highest rainfall) is January (7.8").
The driest month (with the least rainfall) is August (0.79").
Average rainfall days
Sultan, WA
- Average rainfall days in January:
19.5 days - Average rainfall days in February:
17.6 days - Average rainfall days in March:
22.3 days - Average rainfall days in April:
21.2 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
20.5 days - Average rainfall days in December:
19.9 days
The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (7.9 days).
Average snowfall
Sultan, WA
The month with the highest snowfall is February (5.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sultan, WA
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.8 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:
0.7 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sultan, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
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 30min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days
Sultan, WA
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
7 days - Average sunshine days in April:
7.3 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
19.9 days - Average sunshine days in September:
15 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
8 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is March (7 days).
Average UV index
Sultan, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Sultan, WA
The months with the most cloud cover are March and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Sultan, WA
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Sultan, Washington, USA
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