Climate and monthly weather forecastShelton, WA
Climate and monthly weather forecast
The climate of Shelton
Shelton, Washington, falls under the Köppen climate classification of Csb, signifying a temperate Mediterranean climate with warm summers. Pursuant to its location in the Pacific Northwest, the weather patterns exhibit consistent characteristics throughout the year. As is common in Mediterranean climates, there is a notable variation in both temperature and precipitation as the seasons transition.Rainfall is an integral element of Shelton's climate, with significant monthly averages varying from 0.43" (11mm) in July to a substantial 7.24" (184mm) in January. The number of rainfall days largely mirrors this pattern, with January exhibiting the highest number at 18.8 days and July the least at 7.1 days. This suggests that the city experience a regular and robust rainfall, particularly during the winter months.
Temperature changes in Shelton over the course of the year are considerable. The lowest average temperature of 32.7°F (0.4°C) occurs in February, while the peak average temperature of 76.6°F (24.8°C) is recorded in August. There's a gradual upward trend in temperatures from the beginning of the year, reaching their peak during the summer months, before a gradual decline as the year progresses.
Shelton's relative humidity ranges from 72% in July to 90% in November and December, signaling a rather humid climate throughout the year. The amount of daily sunshine hours varies largely between 8.6 hours in December to 15.9 hours in June, providing some sunny respite during the summer months.
The Best Time to Visit Shelton
The peak of Shelton's weather appears to be between June and August. During this period, the temperatures hover from a comfortable 63.9°F (17.7°C) to 76.6°F (24.8°C), coupled with the lowest levels of rainfall and the highest amounts of sunshine hours, up to 15.9 hours in June. Relatively lower humidity levels also make the conditions more comfortable, making it an ideal time for outdoor activities and to explore what Shelton has to offer.The Worst Time to Visit Shelton
The winter season, particularly November through January, may present some challenges for visitors. The temperatures range from a chilly 41.5°F (5.3°C) to 33.6°F (0.9°C) during this time, and the city experiences its highest levels of rainfall, with up to 7.24" (184mm) in January. Additionally, relative humidity levels reach their annual peak, and daylight hours are at their shortest, making this a less favorable time to visit.Spring Weather in Shelton
Spring in Shelton, stretching from March to May, features gradually rising temperatures from an average of 49.1°F (9.5°C) to 63.9°F (17.7°C). These months also experience a steady decrease in rainfall, down from 4.37" (111mm) in March to 1.97" (50mm) in May. The daylight hours considerably increase during the spring, which coupled with declining cloud cover, lead to increased sunshine hours.Summer Weather in Shelton
Shelton's summer, from June to August, is characterized by warm temperatures, low rainfall, and abundant sunshine. Average temperatures during these months range from 63.9°F (17.7°C) to a pleasant 76.6°F (24.8°C). Rainfall is minimal, with July recording the least rainfall of 0.43" (11mm). Daylight hours peak during this season, leading to as much as 9.5 to 10.7 hours of sunshine per day.Autumn Weather in Shelton
Autumn months of September to November see the temperatures descend from a comfortable 68.9°F (20.5°C) to a cooler 47.3°F (8.5°C). Rainfall predictably increases, ramping up to 6.14" (156mm) in November, while the daylight hours start to shorten. Despite this, the city enjoys a November show of foliage, making it a picturesque time to visit.Winter Weather in Shelton
Winter in Shelton is marked by cold temperatures, high rainfall, and limited sunshine. December records the lowest average temperatures at 41.5°F (5.3°C) and the shortest period of daylight at just 8.6 hours. This season also observes the highest average rainfall, with January at 7.24" (184mm). Despite being the coldest time of the year, it creates a scenic winter wonderland with light snowfall in December and January. Nevertheless, the winter months demand heavy layering of clothing and weatherproof essentials.Weather in January
Kicking off the year, the climate in Shelton, Washington commences with fairly cool weather. Highs hover around 43.7°F (6.5°C) while lows can dip to approximately 33.6°F (0.9°C). Residents typically don an extra layer to keep warm. Weather in January »Weather in February
The cold intensifies in February with minimal changes from the previous month's temperatures. More snow meets the ground in this month, with up to 2.17" (55mm) falling over the course of three snowy days. Compared to the surrounding months, February has a notable increase in snowfall. Weather in February »Weather in March
March brings a gradual transition into spring. Despite the temperature shift, it registers the highest rainfall in the first quarter with a substantial 4.37" (111mm). This increase in rainfall reflects the beginning of the spring showers that are a standard component of Shelton's weather. Weather in March »Weather in April
April sees the blossoming of spring in Shelton. Rainfall decreases, as does relative humidity, signaling the decline of the spring showers that characterized March. The pace picks up in terms of daylight hours as well, offering greater opportunities for outdoor pursuits. Weather in April »Weather in May
May shifts the atmosphere with its substantial increase in temperature, marking the onset of warmth in Shelton. The highest temperature starts to approach a mild 63.9°F (17.7°C). A noteworthy reduction in rainfall contributes to the pleasant conditions, making May the perfect month to enjoy outdoor activities in Shelton. Weather in May »Weather in June
As summer settles in, June gifts Shelton with even longer hours of daylight and sunshine. Even though the temperatures rise, the peak temperature remains a comfortable 68.5°F (20.3°C). This mild temperature rise makes it an ideal time for residents to explore the great outdoors. Weather in June »Weather in July
The zenith of summer in Shelton occurs in July. Notching up the temperature to a significant high of 75.9°F (24.4°C), it provides the warmest conditions of the year. July's weather makes it an undeniably popular month for all types of outdoor activities including beach visits and barbecues. Weather in July »Weather in August
Retaining a semblance of July's warmth, August continues with high temperatures around 76.6°F (24.8°C). It garners attention for its long sunshine hours, similar to July, further reinforcing Shelton's summer reputation. While it sustains the summer's heat, it also signals the beginning end of the season. Weather in August »Weather in September
September ushers in the first hints of autumn. The temperature takes a mild dip, but the weather remains pleasant. Although an increase in rainfall can be noticed, it marks significantly less rainfall compared to the closing months of the year. Weather in September »Weather in October
October brings a significant change in the weather as Shelton prepares for the arrival of winter. The decrease in daylight hours makes this change evident. As the month progresses, trees shed their leaves and the region dons a new look. Weather in October »Weather in November
November experiences a steep drop in temperature along with increasing rainfall, marking the onset of the winter. The month sees another peak of rainfall taking the tally to 6.14" (156mm). This makes it the rainiest month in the second half of the year. Weather in November »Weather in December
Wrapping up the year, December fully embraces the winter season. The temperature plummets further, with lows reaching a chilly 32.9°F (0.5°C). It is also a time when snowfall makes a reappearance, albeit sparingly, dusting the ground with about 0.71" (18mm) of snow. Weather in December »Updated: Jun 28, 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
January is the month with the most rainfall. Rain falls for 18.8 days and accumulates 7.24" (184mm) of precipitation.
In Shelton, during the entire year, the rain falls for 185.4 days and collects up to 42.87" (1089mm) of precipitation.
Months with snowfall are January through March, November and December.
Throughout the year, there are 9.1 snowfall days, and 5.59" (142mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 3.3 days and typically aggregates up to 2.17" (55mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Shelton, 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.
In Shelton, snow does not fall in April through October.
June has the longest days of the year, with an average of 15h and 54min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
July is the least humid month, with an average relative humidity of 72%.
The month with the least rainfall is July, when the rain falls for 7.1 days and typically collects 0.43" (11mm) of precipitation.
With average high temperatures of 76.6°F (24.8°C) and lows of 50.4°F (10.2°C), August is the warmest month.
With an average of 10.7h of sunshine, August has the most sunshine of the year.
The months with the highest humidity are November and December, with an average relative humidity of 90%.
December tends to be the coldest month, with temperatures averaging a daily high of 41.5°F (5.3°C) and a low of 32.9°F (0.5°C).
With an average of 8h and 36min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 3.5h of sunshine.
Average temperature
Shelton, WA
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (41.5°F).
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is February (32.7°F).
Average pressure
Shelton, WA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.05"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed
Shelton, WA
- Average wind speed in January:
4.1mph - Average wind speed in February:
4.2mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.2mph - Average wind speed in May:
3.9mph - Average wind speed in June:
4mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.4mph - Average wind speed in October:
3.6mph - Average wind speed in November:
4mph - Average wind speed in December:
3.7mph
The windiest month (with the highest average wind speed) is March (4.3mph).
The calmest month (with the lowest average wind speed) is September (3.4mph).
Average humidity
Shelton, WA
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Shelton, WA
- Average rainfall in January:
7.24" - Average rainfall in February:
3.9" - Average rainfall in March:
4.37" - Average rainfall in April:
2.87" - Average rainfall in May:
1.97" - Average rainfall in June:
1.3"
The wettest month (with the highest rainfall) is January (7.24").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Shelton, WA
- Average rainfall days in January:
18.8 days - Average rainfall days in February:
17.7 days - Average rainfall days in March:
21.4 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
7.1 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
16.6 days - Average rainfall days in November:
19.8 days - Average rainfall days in December:
19.9 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.3 days).
Average snowfall
Shelton, WA
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Shelton, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.5 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Shelton, 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 36min
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 36min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days
Shelton, WA
- Average sunshine days in January:
9.9 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
7.5 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
21.7 days - Average sunshine days in August:
21.6 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is July (21.7 days).
The month with the least sunshine days is March (7.5 days).
Average UV index
Shelton, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Shelton, WA
The months with the most cloud cover are January and December (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Shelton, WA
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
