Climate and monthly weather forecastJunction City, OR
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Junction City, Oregon, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.6°F (9.2°C). January's advent notes a subtle adjustment in average high-temperature to a still chilly 48.6°F (9.2°C) from December. Weather in January »Weather in February
February, the last month of the winter in Junction City, is another chilly month, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 35.1°F (1.7°C). The arrival of February brings an average high-temperature of a still chilly 49.1°F (9.5°C), subtly diverging from January's 48.6°F (9.2°C). Weather in February »Weather in March
March, the first month of the spring in Junction City, is a cool month, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 52.7°F (11.5°C). March is marked by an average high-temperature of a fresh 52.7°F (11.5°C), almost identical to the preceding month. Weather in March »Weather in April
April in Junction City, Oregon, is a mild spring month, with an average temperature ranging between max 57.7°F (14.3°C) and min 37.6°F (3.1°C). Junction City indicates an average high-temperature of a moderate 57.7°F (14.3°C) in April, showing minor variation from March's 52.7°F (11.5°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Junction City, Oregon, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 65.5°F (18.6°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's mild 57.7°F (14.3°C) to an enjoyable 65.5°F (18.6°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Junction City, Oregon, with an average temperature fluctuating between 71.2°F (21.8°C) and 45.1°F (7.3°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from an enjoyable 65.5°F (18.6°C) in May to an agreeable 71.2°F (21.8°C). Weather in June »Weather in July
July in Junction City, Oregon, is a moderately hot summer month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 79.3°F (26.3°C). With the onset of July, Junction City's average high-temperature experiences a slight rise, moving from June's agreeable 71.2°F (21.8°C) to a warm 79.3°F (26.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Junction City, Oregon, with an average temperature ranging between max 81.1°F (27.3°C) and min 51.1°F (10.6°C). August is the month that records the highest temperatures, with averages ranging from a high of 81.1°F (27.3°C) to a low of 51.1°F (10.6°C). For August, the heat index is estimated at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Junction City, Oregon, with an average temperature ranging between max 73.6°F (23.1°C) and min 48.6°F (9.2°C). The average high-temperature shows a slight dip in September, from August's 81.1°F (27.3°C) to a still warm 73.6°F (23.1°C). Weather in September »Weather in October
October, like September, in Junction City, Oregon, is another enjoyable autumn month, with an average temperature ranging between max 62.2°F (16.8°C) and min 43.7°F (6.5°C). Start of October brings a shift in the average high-temperature, falling from September's moderately hot 73.6°F (23.1°C) to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Junction City, is also a fresh month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 51.6°F (10.9°C). Junction City in November undergoes a mild reduction in the average high-temperature, shifting from October's enjoyable 62.2°F (16.8°C) to a fresh 51.6°F (10.9°C). Weather in November »Weather in December
December, the first month of the winter in Junction City, is still a chilly month, with an average temperature ranging between min 34.2°F (1.2°C) and max 45.7°F (7.6°C). With average high and low temperatures of 45.7°F (7.6°C) and 34.2°F (1.2°C) respectively, December is Junction City's coldest month. Weather in December »Updated: Jun 4, 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 through March and December, with an average relative humidity of 87%, are most humid months.
In Junction City, Oregon, during the entire year, the rain falls for 161.8 days and collects up to 28.82" (732mm) of precipitation.
Months with snowfall are January through March, November and December.
In Junction City, Oregon, during the entire year, snow falls for 4.1 days and aggregates up to 2.87" (73mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 2 days and typically aggregates up to 1.81" (46mm) of snow.
With an average of 4h of sunshine, February has the least sunshine of the year in Junction City.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Junction City, snow does not fall in April through October.
With an average of 15h and 30min of daylight, June has the longest days of the year.
The month with the least rainfall is July, when the rain falls for 4.1 days and typically collects 0.2" (5mm) of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 6.
August tends to be the warmest month, with temperatures averaging a daily high of 81.1°F (27.3°C) and a low of 51.1°F (10.6°C).
With an average relative humidity of 68%, August is the least humid month.
The month with the most sunshine in Junction City is August, with an average of 11.1h of sunshine.
Junction City reaches its average lowest temperatures in December, measuring 45.7°F (7.6°C) at the peak and 34.2°F (1.2°C) at the lowest.
The month with the most rainfall is December, when the rain falls for 18.2 days and typically aggregates up to 4.37" (111mm) of precipitation.
The month with the shortest days in Junction City is December, with an average of 8h and 54min of daylight.
Average temperature
Junction City, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure
Junction City, OR
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Junction City, OR
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.1mph - Average wind speed in August:
3.9mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity
Junction City, OR
The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall
Junction City, OR
- Average rainfall in January:
3.9" - Average rainfall in February:
3.31" - Average rainfall in March:
3.62" - Average rainfall in April:
2.95" - Average rainfall in May:
1.81" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.35" - Average rainfall in September:
1.26" - Average rainfall in October:
2.56" - Average rainfall in November:
3.35" - Average rainfall in December:
4.37"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Junction City, OR
- Average rainfall days in January:
17.3 days - Average rainfall days in February:
16.6 days - Average rainfall days in March:
20 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
4.1 days - Average rainfall days in August:
3.6 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
17.4 days - Average rainfall days in December:
18.2 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).
Average snowfall
Junction City, OR
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Junction City, OR
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Junction City, OR
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 48min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Junction City, OR
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
17.5 days
- Average sunshine days in July:
26.2 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).
Average UV index
Junction City, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Junction City, OR
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Junction City, OR
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
