Climate and monthly weather forecastJacksonville, OR
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Jacksonville, Oregon, with an average temperature fluctuating between 46.4°F (8°C) and 30.7°F (-0.7°C). January brings a marginal elevation to a still frosty 46.4°F (8°C) from December's 44.4°F (6.9°C) in Jacksonville's average high-temperatures. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Jacksonville, Oregon, with an average temperature ranging between max 48°F (8.9°C) and min 31.1°F (-0.5°C). February's advent presents an average high-temperature of a still frosty 48°F (8.9°C), indicating a slight variation from the conditions of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Jacksonville, Oregon, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 32.9°F (0.5°C). The commencement of March notes an average high-temperature of a fresh 51.3°F (10.7°C), exhibiting little difference from the previous month. Weather in March »Weather in April
April in Jacksonville, Oregon, is a mild spring month, with an average temperature varying between 35.1°F (1.7°C) and 57.2°F (14°C). Jacksonville's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's fresh 51.3°F (10.7°C) to a mild 57.2°F (14°C). Weather in April »Weather in May
May, the last month of the spring in Jacksonville, is a refreshing month, with an average temperature varying between 66°F (18.9°C) and 39.2°F (4°C). May signals a minor shift in the average high-temperature, moving from April's refreshing 57.2°F (14°C) to an enjoyable 66°F (18.9°C). Weather in May »Weather in June
June, the first month of the summer in Jacksonville, is an agreeable month, with an average temperature varying between 73°F (22.8°C) and 43.5°F (6.4°C). Jacksonville in June denotes a subtle temperature transition, adjusting from an average high of an enjoyable 66°F (18.9°C) in May to a pleasant 73°F (22.8°C). Weather in June »Weather in July
July is a warm summer month in Jacksonville, Oregon, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 84°F (28.9°C). Jacksonville's weather shows a temperature rise with the arrival of July, moving from an agreeable 73°F (22.8°C) in June to a warm 84°F (28.9°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Jacksonville, Oregon, with an average temperature ranging between min 49.5°F (9.7°C) and max 85.1°F (29.5°C). August, characterized by an average high temperature of 85.1°F (29.5°C) and a low temperature of 49.5°F (9.7°C), is generally the warmest month. The heat index in August is evaluated at a hot 89.6°F (32°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Jacksonville, Oregon, with an average temperature ranging between max 77.5°F (25.3°C) and min 45.7°F (7.6°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 85.1°F (29.5°C) to a still warm 77.5°F (25.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Jacksonville, Oregon, with an average temperature fluctuating between 64.8°F (18.2°C) and 40.1°F (4.5°C). The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 77.5°F (25.3°C) in September to a comfortable 64.8°F (18.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Jacksonville, Oregon, with an average temperature fluctuating between 34.3°F (1.3°C) and 52.7°F (11.5°C). A subtle decrease in the average high-temperature marks November, falling from October's enjoyable 64.8°F (18.2°C) to a cool 52.7°F (11.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Jacksonville, Oregon, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 44.4°F (6.9°C). With an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 29.3°F (-1.5°C), December is the coldest month. Weather in December »Updated: Jul 10, 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
The months with the highest humidity are January and December, with an average relative humidity of 83%.
In Jacksonville, during the entire year, the rain falls for 130.2 days and collects up to 19.17" (487mm) of precipitation.
January through April, November and December are months with snowfall.
Throughout the year, in Jacksonville, there are 14.2 snowfall days, and 8.15" (207mm) of snow is accumulated.
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 4.8 days and typically aggregates up to 2.64" (67mm) of snow.
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 Jacksonville, snow does not fall in May through October.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The month with the least rainfall is July, when the rain falls for 3.8 days and typically collects 0.2" (5mm) of precipitation.
July and August, with an average of 11.9h of sunshine, are months with the most sunshine.
July is the month with the highest UV index, with an average maximum UV index of 6.
Temperature readings reach their annual highs in August, averaging 85.1°F (29.5°C) and a minimum average of 49.5°F (9.7°C).
August is the least humid month, with an average relative humidity of 59%.
Jacksonville's coldest temperatures are experienced in December, with average high temperatures of 44.4°F (6.9°C) and lows of 29.3°F (-1.5°C).
The month with the most rainfall is December, when the rain falls for 14.4 days and typically aggregates up to 3.11" (79mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
With an average of 5.3h of sunshine, December has the least sunshine of the year in Jacksonville.
Average temperature
Jacksonville, OR
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (44.4°F).
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (29.3°F).
Average pressure
Jacksonville, OR
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed
Jacksonville, OR
- Average wind speed in January:
4.2mph - Average wind speed in February:
4mph - Average wind speed in March:
4.2mph - Average wind speed in April:
4mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.4mph - Average wind speed in September:
3.4mph - Average wind speed in October:
3.4mph - Average wind speed in November:
3.7mph - Average wind speed in December:
3.9mph
The windiest months (with the highest average wind speed) are January and March (4.2mph).
The calmest months (with the lowest average wind speed) are August, September and October (3.4mph).
Average humidity
Jacksonville, OR
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall
Jacksonville, OR
- Average rainfall in January:
3.03" - Average rainfall in February:
2.32" - Average rainfall in March:
2.64" - Average rainfall in April:
1.73" - Average rainfall in May:
1.57" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.28" - Average rainfall in September:
0.67" - Average rainfall in October:
1.18" - Average rainfall in November:
1.69" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Jacksonville, OR
- Average rainfall days in January:
14 days - Average rainfall days in February:
14.1 days - Average rainfall days in March:
17.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
12.2 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.7 days - Average rainfall days in September:
5.5 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
12 days - Average rainfall days in December:
14.4 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (3.7 days).
Average snowfall
Jacksonville, OR
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Jacksonville, OR
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.9 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 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight / Average sunshine
Jacksonville, OR
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 18min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 12min
- 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 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Jacksonville, OR
- Average sunshine days in January:
15 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
11.2 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
20 days
- Average sunshine days in July:
24.9 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
23 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
15.7 days - Average sunshine days in December:
14 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index
Jacksonville, 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
Jacksonville, OR
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility
Jacksonville, OR
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
