Climate and monthly weather forecastSalkum, WA
Climate and monthly weather forecast
Weather in January
January is a frosty winter month in Salkum, Washington, with an average temperature fluctuating between 32.9°F (0.5°C) and 43.9°F (6.6°C). January reports an average high-temperature of a chilly 43.9°F (6.6°C), slightly varied from December's 41.9°F (5.5°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Salkum, Washington, with an average temperature ranging between max 44.6°F (7°C) and min 32.5°F (0.3°C). Salkum starts February with an average high-temperature of a still frosty 44.6°F (7°C), a minor shift from January's 43.9°F (6.6°C). Weather in February »Weather in March
March, the first month of the spring in Salkum, is also a frosty month, with an average temperature varying between 33.8°F (1°C) and 48.7°F (9.3°C). Entering March, the average high-temperature is recorded at a still frosty 48.7°F (9.3°C), exhibiting a minimal shift from February's 44.6°F (7°C). Weather in March »Weather in April
April in Salkum, Washington, is a cool spring month, with an average temperature fluctuating between 36.1°F (2.3°C) and 54.3°F (12.4°C). A soft shift in the average high-temperature is noticeable in April, transitioning from a frosty 48.7°F (9.3°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 a refreshing month in Salkum, Washington, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 39.9°F (4.4°C). The onset of May introduces a subtle rise in the average high-temperature, nudging from a fresh 54.3°F (12.4°C) in April to a comfortable 62.8°F (17.1°C). Weather in May »Weather in June
The first month of the summer, June, is also an enjoyable month in Salkum, Washington, with an average temperature varying between 43°F (6.1°C) and 67.6°F (19.8°C). June's arrival brings an average high-temperature of a still comfortable 67.6°F (19.8°C), demonstrating subtle variation from the preceding month. Weather in June »Weather in July
July in Salkum, Washington, is a warm summer month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 46.6°F (8.1°C). The start of July brings a subtle rise in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) in June to a moderately hot 75.4°F (24.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Salkum, Washington, with an average temperature ranging between min 47.8°F (8.8°C) and max 76.5°F (24.7°C). The highest temperatures are recorded in August, with averages reaching a high of 76.5°F (24.7°C) and a low of 47.8°F (8.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Salkum, Washington, with an average temperature varying between 69.3°F (20.7°C) and 45.5°F (7.5°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 76.5°F (24.7°C) in August to an agreeable 69.3°F (20.7°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Salkum, Washington, with an average temperature fluctuating between 58.1°F (14.5°C) and 41.7°F (5.4°C). During the transition into October, Salkum observes a decrease in the average high-temperature, falling from an agreeable 69.3°F (20.7°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »Weather in November
November, the last month of the autumn in Salkum, is another chilly month, with an average temperature fluctuating between 36.7°F (2.6°C) and 47.7°F (8.7°C). Salkum's weather changes with the onset of November, slightly falling from a moderate 58.1°F (14.5°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 an icy month in Salkum, Washington, with an average temperature ranging between max 41.9°F (5.5°C) and min 31.8°F (-0.1°C). In Salkum, December is the coldest month, with temperatures averaging a high of 41.9°F (5.5°C) and a low of 31.8°F (-0.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Salkum, WA
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure
Salkum, WA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Salkum, WA
- Average wind speed in January:
5.3mph - Average wind speed in February:
4.8mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.3mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.7mph - Average wind speed in October:
4.3mph - Average wind speed in November:
5mph - Average wind speed in December:
4.9mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
Salkum, WA
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall
Salkum, WA
- Average rainfall in January:
2.64" - Average rainfall in February:
1.85" - Average rainfall in March:
1.93" - Average rainfall in April:
1.77" - Average rainfall in May:
1.26" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.47" - Average rainfall in September:
1.22" - Average rainfall in October:
2.32" - Average rainfall in November:
2.13" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Salkum, WA
- Average rainfall days in January:
14.5 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
16 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
6 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
14.9 days - Average rainfall days in December:
15 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).
Average snowfall
Salkum, WA
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Salkum, WA
- Average snowfall days in January:
2.1 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.5 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:
1.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Salkum, WA
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 42min - Average sunshine in March:
4h and 48min - Average sunshine in April:
6h and 30min - Average sunshine in May:
7h and 48min - Average sunshine in June:
8h and 24min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 6min - Average sunshine in November:
3h and 54min - Average sunshine in December:
3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days
Salkum, WA
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
23.7 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).
Average UV index
Salkum, WA
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Salkum, WA
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Salkum, WA
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).





