Climate and monthly weather forecastBow, WA
Climate and monthly weather forecast
Weather in January
January in Bow, Washington, is a frosty winter month, with an average temperature fluctuating between 44.2°F (6.8°C) and 37°F (2.8°C). The commencement of January records an average high-temperature of a chilly 44.2°F (6.8°C), barely varying from December's 42.6°F (5.9°C). Weather in January »Weather in February
February, the last month of the winter in Bow, is another chilly month, with an average temperature ranging between min 36.1°F (2.3°C) and max 44.6°F (7°C). With February's arrival, Bow's weather records an average high-temperature of a still frosty 44.6°F (7°C), marking little difference from January's 44.2°F (6.8°C). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Bow, Washington, with an average temperature fluctuating between 38.8°F (3.8°C) and 48.2°F (9°C). The onset of March brings an average high-temperature of a still frosty 48.2°F (9°C), nearly matching the February temperature. Weather in March »Weather in April
April is a fresh spring month in Bow, Washington, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 41.9°F (5.5°C). Bow records a slight change with April's average high-temperatures adjusting to a cool 53.1°F (11.7°C) from March's 48.2°F (9°C). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Bow, Washington, with an average temperature fluctuating between 60.3°F (15.7°C) and 46°F (7.8°C). May brings a slight elevation in the average high-temperature, transitioning from April's cool 53.1°F (11.7°C) to a mild 60.3°F (15.7°C). Weather in May »Weather in June
June, the first month of the summer in Bow, is an enjoyable month, with an average temperature fluctuating between 63.9°F (17.7°C) and 49.3°F (9.6°C). Bow experiences a transition to a still refreshing 63.9°F (17.7°C) in average high-temperatures with the arrival of June, not greatly differing from May's 60.3°F (15.7°C). Weather in June »Weather in July
July in Bow, Washington, is a pleasant summer month, with temperature in the range of an average high of 68.4°F (20.2°C) and an average low of 52.7°F (11.5°C). July and August are characterised by peak temperatures, with an average high of 68.4°F (20.2°C). Weather in July »Weather in August
August, the last month of the summer in Bow, is also an agreeable month, with an average temperature varying between 54.1°F (12.3°C) and 68.4°F (20.2°C). In Bow, the months of July and August are known for the peak temperatures, reaching an average high of 68.4°F (20.2°C). Weather in August »Weather in September
September, the first month of the autumn in Bow, is still a refreshing month, with an average temperature varying between 51.4°F (10.8°C) and 64°F (17.8°C). With September's arrival, Bow notes an average high-temperature of a comfortable 64°F (17.8°C), closely following the trend of the preceding month. Weather in September »Weather in October
October, like September, is another refreshing autumn month in Bow, Washington, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 46.2°F (7.9°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from an enjoyable 64°F (17.8°C) to a moderate 55.8°F (13.2°C). Weather in October »Weather in November
November, the last month of the autumn in Bow, is another chilly month, with an average temperature fluctuating between 41.2°F (5.1°C) and 47.8°F (8.8°C). November's arrival aligns with a minor decrease in average high-temperatures, from October's mild 55.8°F (13.2°C) to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
December, the first month of the winter in Bow, is also a wintry month, with an average temperature varying between 36.3°F (2.4°C) and 42.6°F (5.9°C). With average high and low temperatures of 42.6°F (5.9°C) and 36.3°F (2.4°C) respectively, December is Bow's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bow, WA
The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (42.6°F).
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).
Average pressure
Bow, 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:
30.04"Hg - Average pressure in August:
30.01"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:
30.07"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
Bow, WA
- Average wind speed in January:
7mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6mph - Average wind speed in May:
4.6mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
4.5mph - Average wind speed in October:
6mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Bow, WA
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Bow, WA
- Average rainfall in January:
4.13" - Average rainfall in February:
3.62" - Average rainfall in March:
3.74" - Average rainfall in April:
2.91" - Average rainfall in May:
2.2" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.98" - Average rainfall in September:
2.24" - Average rainfall in October:
3.7" - Average rainfall in November:
4.96" - Average rainfall in December:
4.06"
The wettest month (with the highest rainfall) is November (4.96").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days
Bow, WA
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
20.8 days - Average rainfall days in April:
19.2 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
7.9 days - Average rainfall days in August:
7.2 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
17 days - Average rainfall days in November:
20.7 days - Average rainfall days in December:
19.5 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall
Bow, WA
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Bow, WA
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
1.9 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:
0.5 days - Average snowfall days in December:
1.5 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
Bow, 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 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 36min - 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 24min
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 24min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 42min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days
Bow, WA
- Average sunshine days in January:
11 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
21.6 days - Average sunshine days in August:
22.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
8.1 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index
Bow, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Bow, WA
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Bow, WA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





