Climate and monthly weather forecastAuburn, WA
Climate and monthly weather forecast
The climate of Auburn
Located in Washington, USA, Auburn exhibits a Mediterranean climate with warm summers, commonly referred to as the 'Csb' under the Köppen climate classification. The city experiences a significant variation in the weather parameters throughout the year.By virtue of its geographical position, the temperature differentiates between a high of 76.5°F (24.7°C) in August and a low of 32.5°F (0.3°C) in December. The city's average high temperature fluctuates from 41.9°F (5.5°C) in January to a peak of 76.5°F (24.7°C) in August while the average low temperatures range from 32.5°F (0.3°C) in December to an anticipated 51.4°F (10.8°C) in August.
Humidity displays a similar trend with average relative humidity measuring 86% at the start and end of the year and a low of 69% in July. Rainfall is relatively distributed all year, peaking at 2.56" (65mm) in December, and the least observed in July, measuring a mere 0.39" (10mm). Snowfall is not a common phenomenon here, with insignificant amounts recorded in just three months of the year, February, March, and December.
Auburn also provides ample daylight nearly throughout the year, with a maximum of 15.9 hours in June and decreasing to a low of 8.6 hours in December. Sunshine hours depict a similar pattern. Auburn starts the year with a UV Index of 2, climbing up to a peak of 5 in July before falling back in December.
The best time to visit Auburn
For those planning to visit Auburn, the summer months offer the most enticing weather. June to August provides warmer temperatures ranging from 54.9°F (12.7°C) to 76.5°F (24.7°C), lower levels of rainfall, highest amounts of daylight reaching up to 15.9 hours, and satisfactory UV Index numbers around 4 and 5. This period also marks the least amount of cloud coverage, allowing for clearer skies.The worst time to visit Auburn
Although the Auburn climate is not severe, the months of November to January could be considered less hospitable for tourists. Temperatures during this time remain at the lower end, from 41.9°F (5.5°C) to 43.9°F (6.6°C). Peak rainfall coinciding with minimal sunshine hours, maximum cloud coverage, and low UV Index might deter outdoor activities.Spring weather in Auburn
Spring in Auburn, from March to May, enjoys gradually increasing temperatures, from 48.9°F (9.4°C) in March and peaking at 63.1°F (17.3°C) by the end of spring. Rainfall tends to decrease, recording 1.73" (44mm) in March and falling to 1.1" (28mm) in May. Auburn experiences noticeable growth in daylight hours during spring, from 12 hours in March to 15.1 hours in May.Summer weather in Auburn
The temperatures in summer rise from 54.9°F (12.7°C) in June up to a comfortable 76.5°F (24.7°C) in August. Rainfall shows a declining trend with just 0.39" (10mm) in July, offering drier conditions for outdoor activities. Daylight hours remain at a high from 15.1 hours in June to 15.5 hours in July, accompanied by an increase in the UV Index to a peak of 5 in July.Autumn weather in Auburn
Autumn ushers in a gradual cooldown to the Auburn weather, with temperatures falling from 69.1°F (20.6°C) in September to 48°F (8.9°C) in November. The rainfall climbs back up in these months, starting from 1.02" (26mm) in September and reaching 2.24" (57mm) in November. The daylight hours follow a downward trend alongside the sun's decreasing visibility.Winter weather in Auburn
The winter months of December to February are the chilliest, with temperatures dipping to lows between 33.8°F (1°C) and 32.5°F (0.3°C) and highs of 41.9°F (5.5°C) to 44.8°F (7.1°C). Rainfall ascents to an annual high of 2.56" (65mm) in December.Snowfall, while not frequent in Auburn, can be seen in December and February. The daylight hours are also at their lowest during winter, reducing to 8.6 hours in December.
Weather in January
Winter's grip on Auburn is undeniably powerful in January. As in many parts of Washington State, extreme conditions include temperatures dropping to their lowest level at 33.8°F (1°C). The noticeable humidity along with frequent rainfall make for a typical Pacific Northwest winter. Weather in January »Weather in February
In February, the weather slightly warms up from the depths of winter, though the variations from January are marginal. Still, one could perceive a gradual turnaround, particularly in the instance of daylight, which strikes a balance between the short days of winter and the long days of spring. Weather in February »Weather in March
The arrival of March entails that Auburn begins to shake off winter's hold, hinting at a transition towards spring. Gradual improvements become noticeable in the form of extended daylight hours, rivaling the shorter nights. As the heart of Auburn's rainy season, 17.3 days of this month see rain, while snowfall ends up being reduced to half of last month's measurements at 0.55" (14mm). Weather in March »Weather in April
As Auburn steps into April, winter is undeniably behind, replaced by the promising warmth of spring. The sharp contrast to March reflects the essence of a transitional period with rainfall lowering to 1.3" (33mm). Accompanied by relative humidity's dip below the 80% mark for the first time this year, the conditions signal spring's full-blown arrival in Auburn. Weather in April »Weather in May
With May, Auburn witnesses the full maturity of spring, drifting into the cusp of summer. Sunnier days become more frequent, enhancing Auburn's charm with nature's vibrant hues, helped by the highest sunshine duration of 9.1 hours. Weather in May »Weather in June
June in Auburn demonstrates summer's initial foray, replacing the mild spring weather. Engulfed in daylight for up to 15.9 hours, June exhibits the longest days of the year. The scarce 0.79" (20mm) of rainfall in contrast with the previous months testifies of a significant pattern shift towards drier days. Weather in June »Weather in July
July signifies the zenith of summer in Auburn, with weather patterns reaching their warmest phase. The rise to a scorching 75.6°F (24.2°C) marks this month as the hottest of the year. Humidity levels hit their annual low, contributing to the overall heat intensity. Weather in July »Weather in August
August brings with it the final full month of summer in Auburn. The warm weather persists, barely distinguishing itself from July except for the slightly elevated minimum temperature of 51.4°F (10.8°C). Despite the retained heat, Auburn maintains a salubrious atmosphere with gentle winds to offset the sweltering conditions. Weather in August »Weather in September
September in Auburn marks the onset of autumn, bringing a decline in daylight and a noticeable drop in temperature. The declining sunshine hours stand out as the end of summer brings fewer sunlit hours, reducing to 9.3 hours. Weather in September »Weather in October
The arrival of October in Auburn signifies the escalation of autumn's influence. With the descent into cooler temperatures, the rainfall increases to almost twice September's amount, culminating at 1.93" (49mm). The dwindling daylight, coupled with shorter sunshine duration, underscores the transition towards the last quarter of the year. Weather in October »Weather in November
November witnesses Auburn transitioning into the colder season, as the last vestiges of autumn wash away. The fall-to-winter shift is characterized by a stark decrease in temperature, dropping to an average low of 37.6°F (3.1°C). Weather in November »Weather in December
December ushers in the full swing of winter in Auburn, with all the associated hallmarks. Prominent among the extremes this month is the return of snowfall with an accumulation of 0.28" (7mm). The prolonged hours of darkness and limited daylight create a festive atmosphere, with sparkling lights in Auburn's streets and homes. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Auburn, 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 (51.4°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).
Average pressure
Auburn, WA
- Average pressure in January:
30.1"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:
30.03"Hg - Average pressure in August:
30"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 (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Auburn, WA
- Average wind speed in January:
4.9mph - Average wind speed in February:
4.7mph - 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:
3.5mph - Average wind speed in August:
3.4mph - Average wind speed in September:
3.7mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity
Auburn, WA
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Auburn, WA
- Average rainfall in January:
2.6" - Average rainfall in February:
1.65" - Average rainfall in March:
1.73" - Average rainfall in April:
1.3" - Average rainfall in May:
1.1" - Average rainfall in June:
0.79"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.55" - Average rainfall in September:
1.02" - Average rainfall in October:
1.93" - Average rainfall in November:
2.24" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is January (2.6").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Auburn, WA
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
14.8 days - Average rainfall days in March:
17.3 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
17.5 days - Average rainfall days in December:
16 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is August (6.3 days).
Average snowfall
Auburn, WA
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Auburn, WA
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.8 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:
0.5 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Auburn, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days
Auburn, WA
- Average sunshine days in January:
12.5 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
12.7 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Auburn, 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
Auburn, WA
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Auburn, WA
The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is December (4mi).





