Climate and monthly weather forecastSappho, WA
Climate and monthly weather forecast
Weather in January
January is a chilly winter month in Sappho, Washington, with an average temperature varying between 44.1°F (6.7°C) and 37°F (2.8°C). The shift into January uncovers an average high-temperature of a frosty 44.1°F (6.7°C), subtly different from the previous month. Weather in January »Weather in February
February, the last month of the winter in Sappho, is also a frosty month, with an average temperature ranging between max 43.3°F (6.3°C) and min 36°F (2.2°C). The advent of February presents an average high-temperature of a still frosty 43.3°F (6.3°C), maintaining a close correlation with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Sappho, Washington, with an average temperature ranging between max 46.2°F (7.9°C) and min 37.4°F (3°C). March's presence records an average high-temperature of a still chilly 46.2°F (7.9°C), closely mirroring February's climate. Weather in March »Weather in April
April is a fresh spring month in Sappho, Washington, with an average temperature varying between 39.7°F (4.3°C) and 50.5°F (10.3°C). Shifting into April, Sappho records an average high-temperature of a fresh 50.5°F (10.3°C), presenting minor fluctuations compared to the previous month. Weather in April »Weather in May
May, the last month of the spring in Sappho, is a mild month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 57.9°F (14.4°C). The onset of May introduces a subtle rise in the average high-temperature, nudging from a cool 50.5°F (10.3°C) in April to a moderate 57.9°F (14.4°C). Weather in May »Weather in June
June, the first month of the summer in Sappho, is a comfortable month, with an average temperature varying between 61.3°F (16.3°C) and 46.8°F (8.2°C). June's onset brings an average high-temperature of a comfortable 61.3°F (16.3°C), showing a minute difference from May's 57.9°F (14.4°C). Weather in June »Weather in July
July, the same as June, is another comfortable summer month in Sappho, Washington, with an average temperature ranging between min 49.6°F (9.8°C) and max 66.7°F (19.3°C). The arrival of July signals a slight increase in the average high-temperature, moving from 61.3°F (16.3°C) in June to a still comfortable 66.7°F (19.3°C). Weather in July »Weather in August
August, the last month of the summer in Sappho, is another refreshing month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 50.7°F (10.4°C). August registers as the month with the highest average temperatures, reaching 67.6°F (19.8°C) at its peak and 50.7°F (10.4°C) at the lowest. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Sappho, Washington, with an average temperature fluctuating between 63°F (17.2°C) and 49.5°F (9.7°C). The unfolding of September shows an average high-temperature of a still enjoyable 63°F (17.2°C), indicating a slight variance from August's 67.6°F (19.8°C). Weather in September »Weather in October
October, like September, in Sappho, Washington, is a cool autumn month, with an average temperature ranging between min 45.5°F (7.5°C) and max 55°F (12.8°C). Transitioning from September to October involves a subtle drop in average high-temperatures, descending from a refreshing 63°F (17.2°C) to a fresh 55°F (12.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Sappho, Washington, with an average temperature fluctuating between 40.3°F (4.6°C) and 47.3°F (8.5°C). With the arrival of November, Sappho notices a mild change in the average high-temperature, sliding from October's fresh 55°F (12.8°C) to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Sappho, Washington, with an average temperature ranging between min 36.3°F (2.4°C) and max 42.4°F (5.8°C). The coldest temperatures occur during December, when averages reach a peak of 42.4°F (5.8°C) and a low of 36.3°F (2.4°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
The months with the highest humidity in Sappho, Washington, are January and December, with an average relative humidity of 87%.
The month with the most rainfall in Sappho is January, when the rain falls for 15.6 days and typically aggregates up to 3.66" (93mm) of precipitation.
In Sappho, Washington, during the entire year, the rain falls for 142.6 days and collects up to 19.61" (498mm) of precipitation.
January through April, September and December are months with snowfall in Sappho, Washington.
January is the month with the most snowfall in Sappho. Snow falls for 1 days and accumulates 1.14" (29mm) of snow.
In Sappho, Washington, during the entire year, snow falls for 5.1 days and aggregates up to 2.17" (55mm) of snow.
The month with the least sunshine in Sappho, Washington, is January, with an average of 3.7h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sappho, 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.
The months with the lowest humidity are May, July and August, with an average relative humidity of 80%.
In Sappho, snow does not fall in May through August, October and November.
June has the longest days of the year in Sappho, Washington, with an average of 16h and 0min of daylight.
June through August, with an average maximum UV index of 4, are months with the highest UV index.
The month with the least rainfall in Sappho is July, when the rain falls for 5.3 days and typically collects 0.28" (7mm) of precipitation.
The months with the most sunshine in Sappho, Washington, are July and August, with an average of 10.3h of sunshine.
Sappho's August weather reaches an average high of 67.6°F (19.8°C) and an average low of 50.7°F (10.4°C), making it the warmest month.
December, known for its average high temperature of 42.4°F (5.8°C) and an average low temperature of 36.3°F (2.4°C), is the coldest month in Sappho.
The month with the shortest days is December, with an average of 8h and 24min of daylight.
Average temperature
Sappho, WA
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (42.4°F).
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).
Average pressure
Sappho, WA
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.05"Hg
- Average pressure in July:
30.07"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
29.99"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.98"Hg).
Average wind speed
Sappho, WA
- Average wind speed in January:
7.4mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.7mph - Average wind speed in April:
5.9mph - Average wind speed in May:
4.9mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5.5mph - Average wind speed in November:
7mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Sappho, WA
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are May, July and August (80%).
Average rainfall
Sappho, WA
- Average rainfall in January:
3.66" - Average rainfall in February:
1.61" - Average rainfall in March:
1.93" - Average rainfall in April:
1.26" - Average rainfall in May:
0.43" - Average rainfall in June:
0.47"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.67" - Average rainfall in September:
0.98" - Average rainfall in October:
1.85" - Average rainfall in November:
3.19" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days
Sappho, WA
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
13.7 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
7.9 days - Average rainfall days in June:
8.4 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
5.1 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
16.5 days - Average rainfall days in December:
15.9 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).
Average snowfall
Sappho, WA
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, October and November (0").
Average snowfall days
Sappho, WA
- Average snowfall days in January:
1 days - Average snowfall days in February:
1.9 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Sappho, 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:
3h and 42min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 12min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Sappho, WA
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
23 days - Average sunshine days in August:
22.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
11.7 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).
Average UV index
Sappho, WA
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sappho, WA
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Sappho, WA
The months with the highest visibility are February, March, April, October, November and December (6mi).
The months with the lowest visibility are January, May, June, July, August and September (5mi).
