Climate and monthly weather forecastCottage Grove, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cottage Grove, Oregon, is a frosty winter month, with an average temperature fluctuating between 48.6°F (9.2°C) and 34.7°F (1.5°C). Cottage Grove experiences an average high-temperature of a still chilly 48.6°F (9.2°C) with the onset of January, subtly varied from December's 45.9°F (7.7°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Cottage Grove, Oregon, with an average temperature fluctuating between 48.7°F (9.3°C) and 34.3°F (1.3°C). Cottage Grove's average high-temperature in February sits at a still chilly 48.7°F (9.3°C), showing little difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Cottage Grove, Oregon, with an average temperature fluctuating between 35.4°F (1.9°C) and 52.3°F (11.3°C). In the transition from February to March, Cottage Grove reports an average high-temperature of a fresh 52.3°F (11.3°C), indicating a close resemblance to the prior month. Weather in March »Weather in April
April is a mild spring month in Cottage Grove, Oregon, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 56.8°F (13.8°C). In April, Cottage Grove experiences a minor shift in meteorological conditions with average high-temperatures marked at a mild 56.8°F (13.8°C), closely mirroring the climate in March. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Cottage Grove, Oregon, with an average temperature ranging between max 64.9°F (18.3°C) and min 40.3°F (4.6°C). Cottage Grove's weather shows a minor temperature rise with the arrival of May, moving from 56.8°F (13.8°C) in April to a still refreshing 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Cottage Grove, Oregon, with an average temperature fluctuating between 70.3°F (21.3°C) and 43.5°F (6.4°C). Cottage Grove's weather shows a minor temperature rise with the arrival of June, moving from an enjoyable 64.9°F (18.3°C) in May to an agreeable 70.3°F (21.3°C). Weather in June »Weather in July
July in Cottage Grove, Oregon, is a warm summer month, with an average temperature fluctuating between 47.7°F (8.7°C) and 79.2°F (26.2°C). With the onset of July, Cottage Grove's average high-temperature sees a modest rise, moving from June's agreeable 70.3°F (21.3°C) to a moderately hot 79.2°F (26.2°C). Weather in July »Weather in August
August, the last month of the summer in Cottage Grove, is also a moderately hot month, with an average temperature fluctuating between 48.7°F (9.3°C) and 80.1°F (26.7°C). August stands out as Cottage Grove's warmest month, with an average high-temperature of 80.1°F (26.7°C) and a low-temperature of 48.7°F (9.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Cottage Grove, Oregon, with an average temperature varying between 73.6°F (23.1°C) and 46°F (7.8°C). September brings a slight decrease in the average high-temperature, shifting from 80.1°F (26.7°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Cottage Grove, Oregon, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 42.1°F (5.6°C). The arrival of October corresponds with a temperature reduction, down from September's moderately hot 73.6°F (23.1°C) to an enjoyable 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Cottage Grove, Oregon, with an average temperature fluctuating between 52.2°F (11.2°C) and 38.1°F (3.4°C). November shows a mild decline in the average high-temperature, falling from October's comfortable 62.6°F (17°C) to a cool 52.2°F (11.2°C). Weather in November »Weather in December
December, the first month of the winter in Cottage Grove, is also a frosty month, with an average temperature ranging between min 33.4°F (0.8°C) and max 45.9°F (7.7°C). Cottage Grove's December weather, with an average high temperature of 45.9°F (7.7°C) and an average low temperature of 33.4°F (0.8°C), tends to be the coldest of the year. 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
In Cottage Grove, during the entire year, the rain falls for 157.8 days and collects up to 30.63" (778mm) of precipitation.
Months with snowfall are January through April, November and December.
Throughout the year, there are 7.1 snowfall days, and 6.22" (158mm) 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.
February is the most humid month, with an average relative humidity of 87%.
The month with the most snowfall in Cottage Grove is February, when snow falls for 2.8 days and typically aggregates up to 3.27" (83mm) of snow.
The months with the least sunshine are February and December, with an average of 4.2h of sunshine.
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.
May through October are months without snowfall in Cottage Grove.
With an average of 15h and 24min of daylight, June has the longest days of the year in Cottage Grove.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
The months with the lowest humidity are July and August, with an average relative humidity of 70%.
July is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.2" (5mm) of precipitation.
The average temperatures reach their apex in August, averaging 80.1°F (26.7°C) at the high end and 48.7°F (9.3°C) at the low end.
The month with the most sunshine is August, with an average of 11.1h of sunshine.
The month of December sees the average lowest temperatures, reaching 45.9°F (7.7°C) at the peak and 33.4°F (0.8°C) at the low.
The month with the most rainfall is December, when the rain falls for 18.2 days and typically aggregates up to 4.61" (117mm) of precipitation.
With an average of 9h and 0min of daylight, December has the shortest days of the year in Cottage Grove, Oregon.
Average temperature
Cottage Grove, OR
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.9°F).
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure
Cottage Grove, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Cottage Grove, OR
- Average wind speed in January:
4.5mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.4mph - Average wind speed in April:
4.1mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.4mph - Average wind speed in September:
3.5mph - Average wind speed in October:
3.8mph - Average wind speed in November:
4.3mph - Average wind speed in December:
4.3mph
The windiest month (with the highest average wind speed) is January (4.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity
Cottage Grove, OR
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall
Cottage Grove, OR
- Average rainfall in January:
3.98" - Average rainfall in February:
3.9" - Average rainfall in March:
3.86" - Average rainfall in April:
3.31" - Average rainfall in May:
1.93" - Average rainfall in June:
1.22"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Cottage Grove, OR
- Average rainfall days in January:
16.4 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.1 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
14 days - Average rainfall days in June:
9.7 days
- Average rainfall days in July:
3.7 days - Average rainfall days in August:
3.6 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
16.5 days - Average rainfall days in December:
18.2 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall
Cottage Grove, OR
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Cottage Grove, OR
- Average snowfall days in January:
1.2 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.3 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:
0.4 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cottage Grove, OR
- Average daylight in January:
9h and 24min - 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 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 24min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 6min
- 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 42min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 12min).
Average sunshine days
Cottage Grove, OR
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
18 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
25.4 days - Average sunshine days in September:
20 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
11.3 days
The month with the most sunshine days is July (25.8 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index
Cottage Grove, OR
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Cottage Grove, OR
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Cottage Grove, OR
The months with the highest visibility are July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (4mi).
