Climate and monthly weather forecastTwisp, WA
Climate and monthly weather forecast
The climate of Twisp
The overall climate of Twisp, Washington, USA is primarily characterized by the Köppen climate classification Dsb, which signifies a 'Humid Continental, dry warm summer', indicating experience of four distinct seasons - moderately hot summers, cold winters, with intermediate springs and autumns. This versatile climate makes Twisp an interesting subject for weather analysis throughout the year.Tracking the monthly average weather data, several key trends emerge, specifically dealing with temperature, precipitation, and daylight hours. Temperature highs range from a chilly 29.3°F (-1.5°C) in January to a warm 76.8°F (24.9°C) in August. Concurrently, the lows can plunge to 14.7°F (-9.6°C) in December, or rise to a much more comfortable 48.9°F (9.4°C) in August. The humidity levels also fluctuate considerably across the year, peaking at 92% in the colder months of January and February, and dipping to around 51% in the somewhat dryer months of July and August.
Additionally, rainfall is fairly well distributed throughout the year with a high of 2.52" (64mm) in December and lows around 0.35" (9mm) in July. Twisp experiences prolific snowfall during the winter months, reaching its zenith of 12.28" (312mm) in December. The most sunshine hours are in June (16 hours), contrasted with the fewest in December (8.4 hours). Notable is the fluctuation in wind speeds, ranging from 3.5mph (5.6km/h) in January to a marginally faster 5.1mph (8.2km/h) in July.
Remarkably, Twisp experiences a pattern of significant changes in sunshine hours, with spring and autumn experiencing moderate hours, while summer enjoys longest days. Conversely, winter is characterised by short daylight hours and significant snowfall.
The best time to visit Twisp
From the presented climatological data, it is apparent that the optimal time to visit Twisp would be from June to August. During these summer months, Twisp experiences the highest temperature averages ranging from 66.2°F (19°C) to 76.8°F (24.9°C). This period also coincides with the lowest precipitation averages ranging from 0.35" (9mm) to 1.14" (29mm). Furthermore, days are longer, with an average daylight span ranging from 15.3 hours to 16 hours. These factors combined make this period perfect for outdoor activities and exploring the natural beauty of Twisp.The worst time to visit Twisp
However, not all months are as hospitable in Twisp. The period from December to February is particularly harsh. Temperatures during this winter span hit their lowest point between 14.7°F (-9.6°C) and 14.9°F (-9.5°C). Additionally, December sees the highest precipitation with a rainfall average of 2.52" (64mm), and an overriding snowfall amount reaching a major 12.28" (312mm). Short daylight hours and the highest relative humidity levels also add to the inclemency of this period. Travel during this time should be avoided, unless specifically for winter activities such as skiing.Spring weather in Twisp
In contrast to the chilling winters, the spring season in Twisp, specifically from March to May, sees a gradual warming trend. Average high temperatures rise from 37.6°F (3.1°C) to 59.4°F (15.2°C) and lows upsurge from 20.7°F (-6.3°C) to 36.7°F (2.6°C). Rainfall during these months ranges from 1.14" (29mm) to 2.24" (57mm) and snowfall is largely limited to March. The spring season experiences a moderate number of daylight hours with a steady increase, reminding us of the impending summer.Summer weather in Twisp
The summer months from June to August unveil the best Twisp has to offer weather-wise. Average high temperatures rise to a comfortable peak of 76.8°F (24.9°C). The humidity levels drop to their yearly low, ushering in a dry warm summer climate. Rainfall averages are the lowest during these months, enabling maximum outdoor exploration. Longer daylight hours up to 16 hours add to the charm of Twisp summers, making it the preferred time to visit.Autumn weather in Twisp
Succeeding the warmth of summer, autumn, from September to November, brings a cooling trend. Temperatures begin their descent from a high of 65.3°F (18.5°C) in September to a considerably lower 35.8°F (2.1°C) by November. Rainfall begins to increase from 0.94" (24mm) to 2.05" (52mm), and snowfall makes its reappearance by November. Additionally, daylight hours start declining indicating the onset of winterWinter weather in Twisp
Combating the harshest weather conditions, winter in Twisp from December to February, is recognized by significantly cold weather. Accompanying low temperatures, humidity peaks at 92% creating a severely cold feeling. Rainfall reaches its highest in December and snowfall is abundant during these months, reaching up to 12.28" (312mm) in December. Daylight hours are the shortest, winding down to a scanty 8.4 hours.Weather in January
The start of the year in Twisp, Washington brings cold and moist conditions, typical of winter weather in this region. With the highest average relative humidity at 92% coupled with low temperatures, ranging from 14.9°F (-9.5°C) to 29.3°F (-1.5°C), it's not uncommon to observe frosty scenes in daily life. Weather in January »Weather in February
Paying heed to the calendar, February highlights a slight but appreciable respite from the extreme cold experienced in January. A marginal rise in temperature serves to make the weather slightly less cold, but winter gear remains necessary. Weather in February »Weather in March
March in Twisp, Washington signifies the transition from biting winter to milder spring temperatures, and the city gradually unfurls from its frosty white blanket. The average daily temperature sees a jump of nearly 7 degrees from February, hovering between 20.7°F (-6.3°C) and 37.6°F (3.1°C), indicative of the moderating weather. Weather in March »Weather in April
April sees Twisp shedding the remaining vestiges of winter and fully embracing spring. The warming trend continues from March, presenting locals and tourists with comfortable temperatures for outdoor pursuits. Rainfall characteristic of spring season sprinkles the city, fostering the growth of local flora and enhancing the city’s natural charm. Weather in April »Weather in May
The maturing spring in May marks noticeable changes in the weather patterns in Twisp, Washington. As the last of the spring rains fall, days become progressively drier and warmer compared to April. With average temperatures reaching between 36.7°F (2.6°C) and 59.4°F (15.2°C), outdoor activities flourish providing a boost to local tourism. Weather in May »Weather in June
June represents the onset of summer, introducing a new phase in weather conditions in Twisp, Washington. While the heat gradually rises, it juxtaposes the lush greenery generously watered by the spring rains. Compared to May, a significant increase in daily sunshine hours from 10.8 hours to 11.4 hours allows for longer daytime activities. Weather in June »Weather in July
July in Twisp is synonymous with peak summer, portraying the warmest climate of the year with highs at 76.3°F (24.6°C). Sunshine numbers make a jump to their annual maximum and relative humidity drops to its lowest in the year at 51%, marking the driest month. Weather in July »Weather in August
August in Twisp mimics the weather pattern of July closely, albeit with a slightly higher average high temperature. August’s warmer days attract scores of locals and tourists alike to the city’s numerous aquatic attractions and parks. Weather in August »Weather in September
September in Twisp, Washington represents a shift in seasons, from warm summer to cooler fall, reflecting a pleasant mix of lingering summer warmth and incoming autumnal chill. Following the peak of summer temperatures in August, September offers a relief with a significant drop in average maximum temperature to 65.3°F (18.5°C). Weather in September »Weather in October
October ushers in a distinct autumn character in Twisp’s weather pattern. With the warmth of summer ebbing away, daytime temperatures become increasingly comfortable and the falling leaves paint a myriad of colors across the cityscape. Weather in October »Weather in November
In November, Twisp inches steadily towards its winter phase, with temperatures tapering off considerably and the onset of increased precipitation levels. The characteristic chill of winter starts setting in, with temperatures registering a significant drop from 50.2°F (10.1°C) in October to 35.8°F (2.1°C) in November. Weather in November »Weather in December
December signifies the return of winter in full sway to Twisp, Washington, denoted by freezing temperatures and increased snowfall. December’s mean temperature arrives at cold 27.9°F (-2.3°C) while at the same time the city witnesses an average snowfall of 12.28" (312mm). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Twisp, WA
The warmest month (with the highest average high temperature) is August (76.8°F).
The month with the lowest average high temperature is December (27.9°F).
The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (14.7°F).
Average pressure
Twisp, WA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Twisp, WA
- Average wind speed in January:
3.5mph - Average wind speed in February:
3.7mph - Average wind speed in March:
4.2mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.6mph - Average wind speed in June:
5mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.9mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.2mph - Average wind speed in November:
3.8mph - Average wind speed in December:
3.5mph
The windiest month (with the highest average wind speed) is July (5.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity
Twisp, WA
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall
Twisp, WA
- Average rainfall in January:
2.44" - Average rainfall in February:
1.65" - Average rainfall in March:
2.24" - Average rainfall in April:
1.14" - Average rainfall in May:
1.57" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.43" - Average rainfall in September:
0.94" - Average rainfall in October:
1.57" - Average rainfall in November:
2.05" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is December (2.52").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Twisp, WA
- Average rainfall days in January:
11.9 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
17.1 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
7.4 days - Average rainfall days in August:
5.7 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
14.8 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.7 days).
Average snowfall
Twisp, WA
The month with the highest snowfall is December (12.28").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Twisp, WA
- Average snowfall days in January:
14.9 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.5 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:
0.4 days - Average snowfall days in November:
8.6 days - Average snowfall days in December:
15.5 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Twisp, WA
- Average daylight in January:
8h and 54min - 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 12min - Average daylight in June:
16h and 0min
- 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 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 42min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 54min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Twisp, WA
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
8.9 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
22.8 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
9.4 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).
Average UV index
Twisp, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Twisp, WA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Twisp, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





