The climate of Lebanon
Lebanon,
Oregon, situated within the United States, showcases a warm-summer Mediterranean climate, denoted as 'Csb' under Köppen climate classification. A hint of predictability accompanies this climate, yet an intriguing spectrum of seasonal variations in weather conditions can be observed throughout the year.
Temperature in Lebanon oscillates gently over the year. The heat peaks in
July and
August with an average high of 81.1°F (27.3°C), and descends to its low in
December with average low of 34.2°F (1.2°C). The degree of humidity as well as cloud coverage can also fluctuate, with the highest recorded in December and
January at 86% and the lowest in August at 66%. Such data indicates an air saturated with moisture during winters while relatively drier conditions during summers.
Precipitation patterns reveal interesting dynamics. Rainfall reaches its zenith in December with an average of 4.41" (112mm) spread over 18 days, and drops to its nadir in July with a meager 0.24" (6mm) on an average of 3.8 days. As with snowfall, the frequency and volume are minimal, with the maximum being 2.13" (54mm) in
February, taking place over 2.5 days.
A peculiar sunshine duration pattern characterizes Lebanon. Longest daylight extends up to 15.5 hours in
June, and shrinks to 8.9 hours in December. Correspondingly, sunshine hours peak in July through August, from 11.1 hours to 11.2 hours a day. On the other hand, wind speed remains relatively stable throughout the year, around 5mph (8km/h).
The best time to visit Lebanon
Ideal time to explore
Lebanon would fall between
June and
August when the city experiences its warmest temperatures and enjoys the maximum sunlight duration. It is worth mentioning that during these months, rainfall is insignificant permitting outdoor activities without interruptions.
The worst time to visit Lebanon
Travelers may want to avoid a trip to
Lebanon between
November and
February. The region grapples with lower temperatures, diminished daylight hours, and increased precipitation, especially rain, during these months, which might hinder outdoor tourism activities.
Spring weather in Lebanon
Spring arrives in
Lebanon from
March until
May with temperatures slowly climbing from an average high of 51.6°F (10.9°C) in March to 65.3°F (18.5°C) by May. During this period, relative humidity drops and rainfall gradually decreases while sunshine duration increases, making conditions pleasant for outdoor activities.
Summer weather in Lebanon
Summer, extending from
June to
August, underlines the peak of
Lebanon's warm weather with temperatures reaching up to 81.1°F (27.3°C). It is the sunniest period of the year with maximum daylight hours reaching up to 15.5 hours in June. Additionally, during these months, Lebanon experiences the lowest precipitation, signifying a perfect time for outdoor activities.
Autumn weather in Lebanon
Autumn in
Lebanon, spanning from
September to
November, is identified by a gradual descent in temperatures down from an average high of 73.4°F (23°C) in September to a moderate 51.4°F (10.8°C) in November. Along with this, a noticeable increase in rainfall across the period can be observed.
Winter weather in Lebanon
Winter in
Lebanon, from
December to
February, showcases the coldest months with temperatures dropping to an average low of 34.2°F (1.2°C) in December. Together with lower temperatures, the duration of daylight shrinks to its minimum in December at 8.9 hours. Rainfall becomes more frequent in this season, whereas snowfall, however, remains quite minimal.
Weather in January
Weather pattern in
Lebanon,
Oregon transitions into the new year with a continuation of cool temperatures, overcast skies, and plenty of precipitation. A rise in the average high temperature occurs, peaking at 47.7°F (8.7°C).
Weather in January »Weather in February
February in
Lebanon exhibits gradual alterations in weather patterns, while remaining predominantly cloudy and rain-laden. The most notable variation is observed in snowfall — from 1.02" (26mm) in
January to 2.13" (54mm) in February.
Weather in February » Weather in March
Switching to
March, the chill in
Lebanon's atmosphere begins to wane, paving the way for a warmer climate. Increase in average high and low temperatures by about 3°F (-16.1°C) from the prior month makes the transition apparent.
Weather in March »
Weather in April
As Spring advances in
Lebanon, the town begins to experience a distinct shift in weather patterns. An increased average high temperature signals the waning of cooler temperatures, climbing from 51.6°F (10.9°C) in
March to 57.6°F (14.2°C) in
April.
Weather in April »Weather in May
May carries with it significantly warmer weather in
Lebanon. It witnesses a dramatic reduction in rainfall from the preceding months, experiencing a substantial dip to 1.85" (47mm). The increasing temperature also makes itself evident, as it rises above the 60°F (15.6°C) mark for the average high.
Weather in May » Weather in June
June is a transition period into the warmer months in
Lebanon. From 65.3°F (18.5°C) to 70.9°F (21.6°C), the jump in the average high temperature is evident. This mid-year month wins the title for the longest days, with an abundance of sunshine and maximum daylight hours.
Weather in June »
Weather in July
The summer heat manifests fully in
July as
Lebanon witnesses the highest average temperatures of the year. Peaking at 79.5°F (26.4°C), the upward temperature trend from previous months reaches its zenith. Combined with this, July experiences minimum rainfall, reducing to a sweat 0.24" (6mm), thus becoming the driest month of the year.
Weather in July »Weather in August
August continues to showcase the peak summer weather in
Lebanon. The average high temperature rises slightly, registering a pinnacle at 81.1°F (27.3°C). Although the moisture content increases slightly with an increment to 0.31" (8mm) of rainfall, the weather remains predominantly dry and hot.
Weather in August » Weather in September
Fall starts to make its presence known in
September in
Lebanon, as the weather starts cooling down. From 81.1°F (27.3°C) in
August, a downturn in average high temperatures is noticeable, dropping to 73.4°F (23°C). Besides the temperature, the sunshine duration also dwindles, giving way to longer nights.
Weather in September »
Weather in October
Lebanon greets autumn in
October with temperatures lowering yet further. The most remarkable feature of the month is a sharp increase in the average monthly rainfall to 2.68" (68mm). Cooler temperatures accompanied with decreased sunshine hours prevail, with many a leaf turning autumnal hues.
Weather in October » Weather in November
As
Lebanon,
Oregon transitions into late Autumn, weather changes become more noticeable. Notably, the average high temperature further declines to 51.4°F (10.8°C), manifesting
November as one of the cooler months in the year.
Weather in November »Weather in December
December, the final month of the year, brings with it the coldest temperatures and the highest rainfall averages. The weather in December witnesses a significant increase in precipitation, leading to the peak monthly rainfall average of 4.41" (112mm).
Weather in December »