Expand
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, like December, in Dayton, Washington, is a wintry winter month, with an average temperature fluctuating between 27.7°F (-2.4°C) and 38.3°F (3.5°C). The transition from December to January sees an average high-temperature of a still cold 38.3°F (3.5°C), indicating a minor variance from the prior month. Weather in January »
Weather in February
February, the last month of the winter in Dayton, is another cold month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 41.4°F (5.2°C). Welcoming February, Dayton notes an average high-temperature of a still cold 41.4°F (5.2°C), nearly consistent with January's 38.3°F (3.5°C). Weather in February »
Weather in March
March, the first month of the spring in Dayton, is a chilly month, with an average temperature fluctuating between 34.3°F (1.3°C) and 48.2°F (9°C). March witnesses a minor rise in the average high-temperature, transitioning from a cold 41.4°F (5.2°C) in February to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April in Dayton, Washington, is a mild spring month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 55.8°F (13.2°C). The start of April is characterized by a subtle increase in the average high-temperature, transitioning from a frosty 48.2°F (9°C) in March to a mild 55.8°F (13.2°C). Weather in April »
Weather in May
May, the last month of the spring in Dayton, is a comfortable month, with an average temperature fluctuating between 65.3°F (18.5°C) and 44.2°F (6.8°C). Dayton's May weather shows an increase in high-temperatures, moving from April's mild 55.8°F (13.2°C) to a still refreshing 65.3°F (18.5°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Dayton, Washington, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 50.4°F (10.2°C). A slight uplift in the average high-temperature marks June, adjusting from May's refreshing 65.3°F (18.5°C) to an agreeable 72.1°F (22.3°C). Weather in June »
Weather in July
July is a moderately hot summer month in Dayton, Washington, with an average temperature ranging between max 83.5°F (28.6°C) and min 58.6°F (14.8°C). July sees a temperature increase, moving from an agreeable 72.1°F (22.3°C) in June to a warm 83.5°F (28.6°C). Weather in July »
Weather in August
August, the last month of the summer in Dayton, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 60.3°F (15.7°C). August, recognised by an average high temperature of 83.7°F (28.7°C) and a low of 60.3°F (15.7°C), is Dayton's warmest month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dayton, Washington, with an average temperature ranging between max 73.4°F (23°C) and min 53.2°F (11.8°C). Dayton in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 83.7°F (28.7°C) to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Dayton, Washington, with an average temperature fluctuating between 58.8°F (14.9°C) and 43.7°F (6.5°C). Dayton's transition into October marks a considerable drop in the average high-temperature, moving down from a moderately hot 73.4°F (23°C) in September to a refreshing 58.8°F (14.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Dayton, is also a frosty month, with an average temperature varying between 46.2°F (7.9°C) and 34°F (1.1°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a mild 58.8°F (14.9°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Dayton, Washington, with an average temperature fluctuating between 36.5°F (2.5°C) and 25.7°F (-3.5°C). December, on average, is the coldest month, registering a high temperature of 36.5°F (2.5°C) and a low of 25.7°F (-3.5°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Dayton?
The most humid month is January, with an average relative humidity of 81%.
How much does it rain in Dayton?
In Dayton, during the entire year, the rain falls for 144.3 days and collects up to 15.75" (400mm) of precipitation.
When does it snow in Dayton?
January through May, September, November and December are months with snowfall.
How many days does it snow in Dayton?
Throughout the year, in Dayton, there are 28.4 snowfall days, and 13.58" (345mm) of snow is accumulated.
What is the month with the least sunshine in Dayton?
The month with the least sunshine is January, with an average of 5.1h of sunshine.
What are the months with the lowest UV index in Dayton?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dayton, Washington.
What is the snowiest month in Dayton?
The month with the most snowfall is February, when snow falls for 7.7 days and typically aggregates up to 4.53" (115mm) of snow.
When is Daylight Saving Time (DST) in Dayton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dayton, 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 in Dayton?
In Dayton, snow does not fall in June through August and October.
When are the longest days in Dayton?
The month with the longest days is June, with an average of 15h and 42min of daylight.
What is the driest month in Dayton?
The months with the least rainfall are July and August Rain falls for 5.3 days and accumulates 0.35" (9mm) of rain.
What is the month with the most sunshine in Dayton?
The months with the most sunshine in Dayton, Washington, are July and August, with an average of 12h of sunshine.
When is the highest UV index in Dayton?
July is the month with the highest UV index in Dayton, Washington, with an average maximum UV index of 7.
What part of the year is the hottest in Dayton?
August stands out as Dayton's warmest month, with temperatures ranging between an average high of 83.7°F (28.7°C) and a low of 60.3°F (15.7°C).
What is the least humid month in Dayton?
The least humid month in Dayton, Washington, is August, with an average relative humidity of 39%.
What time of the year is the coldest in Dayton?
The coldest period in Dayton is December, when temperatures fluctuate between an average high of 36.5°F (2.5°C) and a low of 25.7°F (-3.5°C).
What is the wettest month in Dayton?
December is the month with the most rainfall in Dayton, Washington. Rain falls for 13.6 days and accumulates 2.05" (52mm) of precipitation.
What is the month with the shortest days in Dayton?
December has the shortest days of the year, with an average of 8h and 42min of daylight.
Average temperature
Dayton, WA
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (36.5°F).
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure
Dayton, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed
Dayton, WA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.6mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.1mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.3mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity
Dayton, WA
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Dayton, WA
- Average rainfall in January:
1.89" - Average rainfall in February:
1.65" - Average rainfall in March:
1.89" - Average rainfall in April:
1.38" - Average rainfall in May:
1.77" - Average rainfall in June:
1.18"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.35" - Average rainfall in September:
0.59" - Average rainfall in October:
1.22" - Average rainfall in November:
1.42" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is December (2.05").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days
Dayton, WA
- Average rainfall days in January:
15.3 days - Average rainfall days in February:
12.9 days - Average rainfall days in March:
17.6 days - Average rainfall days in April:
16 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
5.9 days - Average rainfall days in September:
7.3 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
13.7 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is July (5.3 days).
Average snowfall
Dayton, WA
- Average snowfall in January:
3.23" - Average snowfall in February:
4.53" - Average snowfall in March:
1.06" - Average snowfall in April:
0.31" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days
Dayton, WA
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Dayton, WA
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 2min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 3min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Dayton, WA
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
10 days - Average sunshine days in March:
10.4 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
14 days - Average sunshine days in June:
16.2 days
- Average sunshine days in July:
24 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
17 days - Average sunshine days in November:
13.4 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (10 days).
Average UV index
Dayton, WA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Dayton, WA
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Dayton, 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).
Dayton, Washington, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
