The climate of Grangeville
Located in
Idaho, USA,
Grangeville has a Marine west coast, warm summer climate, as classified by the Köppen climate classification as Cfb. Geographically, it occupies a region with extensive climatic and weather fluctuations throughout the year. Certain weather patterns and statistics define the city's annual climatic regime, which is characterized by warm summers and predominantly cool winters, determining the lifestyle and activities of the inhabitants.
The yearly average high temperatures range from 33.6°F (0.9°C) in
January to a peak of 82.6°F (28.1°C) in
August, while the lows vary from a bottom of 21.7°F (-5.7°C) in
December to 53.2°F (11.8°C), also in August. Throughout the year, differences in temperature can be considerable. The increase from the winter months to the summer months exemplifies these shifts, a typical attribute of this climate system.
Different weather elements such as sunshine hours, rainfall, snowfall, and wind contribute to Grangeville's overall climate. Analysis shows that the longest daylight duration, about 15.7 hours, can be expected in
June, whereas December is the month with the shortest daylight time, just 8.7 hours. Between January and December, the rainfall levels oscillate from a low of 0.59" (15mm) in
July to a high in
April of 2.91" (74mm).
The highest snowfall of 12.8" (325mm) generally occurs in December, with no snowfall from
May to
September. The pace of the wind fluctuates throughout the year, with the speediest wind, 5.3mph (8.5km/h), occurring in January and
November, and the slowest, 3.8mph (6.1km/h), in August.
The best time to visit Grangeville
For potential tourists,
June to
September is arguably the best time to visit
Grangeville. The rationale behind this timing is the reliably warm and comfortable weather conditions. The period see temps soaring to between 62.6°F (17°C) and 82.6°F (28.1°C) and a low rainfall of between 0.59" (15mm) and 0.94" (24mm), which creates ideal conditions for outdoor activities and sightseeing.
Additionally, these months receive the most extended daylight time, ranging from 15 hours in June to 12.5 hours in September, providing ample time for daytime activities. The humidity level drops from 69% in June to a comfortable year-low of 47% in
August, adding to the pleasant weather conditions during this period.
The worst time to visit Grangeville
January and
February are arguably the least favored months for tourism in
Grangeville, mainly due to the cold weather conditions. Temperature highs stay between 33.6°F (0.9°C) and 37.6°F (3.1°C), while lows drop to between 21.7°F (-5.7°C) and 25°F (-3.9°C). During these months, Grangeville experiences the heaviest snowfall, with an average of 12.4" (315mm) in January and 12.9" (328mm) in February.
Furthermore, these months experience the most reduced sunlight hours, with average monthly sunshine duration of 4.8 and 4.9 hours respectively. Consequently, the low temperatures, reduced daylight, and increased snowfall make it inconvenient for outdoor activities and sightseeing.
Spring weather in Grangeville
Spring in
Grangeville extends from
March to
May and is marked by progressively rising temperatures and steady rainfall. The average high temperature elevates from 44.6°F (7°C) in March to 62.6°F (17°C) by May, while the average low temperature rises from 29.7°F (-1.3°C) in March to 38.8°F (3.8°C) in May.
Rainfall during these months ranges within 2.83" (72mm) and 2.32" (59mm), making it one of the wetter periods of the year. As temperatures rise through the period, snowfall decreases, moving from 9.96" (253mm) in March to almost nil in May.
Summer weather in Grangeville
Summer in
Grangeville spans from
June through
August. The season is characterized by high temperatures ranging within 69.4°F (20.8°C) to 82.6°F (28.1°C). Average low temperatures also stay comfortably warm, ranging between 44.2°F (6.8°C) and 53.2°F (11.8°C).
Although it is the driest season with rainfall as low as 0.59" (15mm) in
July, the humidity level reduces significantly to make the weather comfortable. This period also experiences zero snowfall, bringing the advantage of clear skies and bright sunshine.
Autumn weather in Grangeville
Fall in
Grangeville, occurring from
September to
November, is a season of cooling temperatures. The average high temperature ranges from 72.7°F (22.6°C) in September to a chilly 43.3°F (6.3°C) by November. The average low temperature follows this downward trend, from 47.3°F (8.5°C) in September to 29.1°F (-1.6°C) in November.
Rainfall slightly increases compared to summer, from 0.94" (24mm) in September to 2.01" (51mm) in November, but remains relatively lower than in spring or winter. Snow re-emerges in November with an average of 5.67" (144mm) as winter approaches.
Winter weather in Grangeville
Winter in
Grangeville stretches from
December to
February. It is characterized by cold temperatures and heavy snowfall. Temperature highs range from 33.6°F (0.9°C) to 37.6°F (3.1°C) and the lows vary between 21.7°F (-5.7°C) and 25°F (-3.9°C).
December witnesses the highest snowfall of the year, measuring around 12.8" (325mm), making travel during this month slightly difficult. Additionally, winter presents the year's lowest visibility parameters, primarily due to cloudy skies and snowfall.
January and February continue the cold trend, with periods of snowfall and chilling temperatures prevailing.
Weather in January
Grangeville,
Idaho experiences a cold start to the year with
January. The frigid weather sees average high and low temperatures of 35.6°F (2°C) and 24.1°F (-4.4°C), respectively, with an impressive 12.48" (317mm) of snowfall over 15 days.
Weather in January » Weather in February
A seamless transition from
January blankets
Grangeville with cold winds, snowy conditions and cloudy skies. Noteworthy is the increase in snowfall which reaches 12.95" (329mm) in
February. sunlight hours increase to around 10.4 hours a day, although the weather remains cold.
Weather in February »Weather in March
Moving into
March,
Grangeville begins to shed its white winter cloak as the city experiences higher temperatures. However, substantial snowfall of nearly 10" (254mm) still blankets the ground. There's an observable decrease in cloud cover and increase in daylight hours, promising the forthcoming arrival of spring.
Weather in March »
Weather in April
April in
Grangeville brings about a noticeable change in the climate as winter transitions to spring. As warmer air replaces the wintry chill, all the snowfalls give way to more rainfall, amounting to close to 3" (76mm) over 19 days.
Weather in April » Weather in May
Grangeville embraces
May with warmer temperatures and lengthened daylight hours. The climate sees a significant decrease in cloud cover and rainfall, a mere 2.32" (59mm), signifying the peak of spring. With almost no snowfall, the city welcomes its residents outdoors to enjoy a plethora of springtime activities.
Weather in May » Weather in June
The weather in
June in
Grangeville shows the unmistakable signs of an approaching summer, with corresponding weather conditions. The remarkable feature in June is the absence of snowfall, paving the way for outdoor enthusiast to seize the day.
Weather in June »
Weather in July
July's weather in
Grangeville,
Idaho is in stark contrast to the beginning of the year. The city experiences the highest temperatures of the year with the mercury soaring to nearly 82°F (27.8°C). As sunlight dominates the weather, the city sees only a negligible 0.59" (15mm) of precipitation over seven days.
Weather in July » Weather in August
As
August starts in
Grangeville, the scorching hot
July gives way to somewhat cooler, yet still warm, weather conditions. Despite the slight dip in the temperature, the city witnesses a maximum temperature of 82.6°F (28.1°C). It's not surprising to see locals and tourists continuing to indulge in various water sports and picnics.
Weather in August »Weather in September
The onset of
September in
Grangeville brings with it the first hints of the approaching autumn. The temperature begins to fall significantly as compared to the preceding months, but the summer warmth lingers. A remarkable characteristic of September's weather is a slight increase in rainfall to almost 1 inch.
Weather in September »
Weather in October
October in
Grangeville,
Idaho is synonymous with falling leaves, cooler temperatures and shorter days. The shift in weather stands evident, with further reduced daylight hours and a significant decrease in temperature compared to
September.
Weather in October » Weather in November
In
November,
Grangeville experiences a further drop in temperature and increase in precipitation levels. As frosty winds start looming, the city braces itself for the winter with an average of 5.67" (144mm) of snowfall. The transition from fall to winter becomes apparent with the landscape transforming into a white wonderland.
Weather in November »Weather in December
Come
December,
Grangeville is completely submerged in winter, with the weather becoming harsh and frigid. The visible transition from
November is the increase in snowfall, standing at nearly 13" (330mm), the highest of the year.
Weather in December »