Climate and monthly weather forecastDee, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Dee, Oregon, with an average temperature fluctuating between 37°F (2.8°C) and 27.7°F (-2.4°C). As Dee welcomes January, the average high-temperature records at a still wintry 37°F (2.8°C), marking an insignificant deviation from the prior month. Weather in January »Weather in February
February, the last month of the winter in Dee, is another cold month, with an average temperature varying between 28.8°F (-1.8°C) and 39°F (3.9°C). The weather during February records an average high-temperature of a still wintry 39°F (3.9°C), closely mirroring the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Dee, Oregon, with an average temperature fluctuating between 44.2°F (6.8°C) and 30.6°F (-0.8°C). March begins with an average high-temperature of a chilly 44.2°F (6.8°C), reflecting close similarity to the preceding month. Weather in March »Weather in April
April in Dee, Oregon, is a fresh spring month, with an average temperature varying between 52.3°F (11.3°C) and 35.2°F (1.8°C). As Dee transitions into April, a marginal rise in the average high-temperature is observed, moving from a chilly 44.2°F (6.8°C) in March to a fresh 52.3°F (11.3°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Dee, Oregon, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 40.8°F (4.9°C). In Dee, stepping into May brings a temperature increase, moving up from April's cool 52.3°F (11.3°C) to a refreshing 62.4°F (16.9°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Dee, Oregon, with an average temperature fluctuating between 45.1°F (7.3°C) and 68.5°F (20.3°C). Dee's weather in June presents a minor rise in the average high-temperature, moving from an enjoyable 62.4°F (16.9°C) in May to an agreeable 68.5°F (20.3°C). Weather in June »Weather in July
July in Dee, Oregon, is a moderately hot summer month, with an average temperature fluctuating between 78.3°F (25.7°C) and 50.4°F (10.2°C). July sees a temperature increase, moving from an agreeable 68.5°F (20.3°C) in June to a warm 78.3°F (25.7°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Dee, Oregon, with an average temperature ranging between min 51.4°F (10.8°C) and max 78.4°F (25.8°C). Dee's August weather reaches an average high of 78.4°F (25.8°C) and an average low of 51.4°F (10.8°C), making it the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Dee, Oregon, with an average temperature fluctuating between 47.1°F (8.4°C) and 68.9°F (20.5°C). Transition into September marks a drop in the average high-temperature, moving from a moderately hot 78.4°F (25.8°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, in Dee, Oregon, is another mild autumn month, with an average temperature ranging between max 55.4°F (13°C) and min 40.5°F (4.7°C). Setting in of October comes with a decrease in the average high-temperature, moving from an agreeable 68.9°F (20.5°C) in September to a mild 55.4°F (13°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Dee, Oregon, with an average temperature ranging between min 32.9°F (0.5°C) and max 43.7°F (6.5°C). November brings a decrease in the average high-temperature, shifting from a refreshing 55.4°F (13°C) in October to a chilly 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Dee, Oregon, with an average temperature ranging between max 36°F (2.2°C) and min 27°F (-2.8°C). December brings the lowest temperatures, with an average high of 36°F (2.2°C) and an average low of 27°F (-2.8°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dee, OR
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure
Dee, OR
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed
Dee, OR
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.3mph - Average wind speed in April:
6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.3mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity
Dee, OR
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall
Dee, OR
- Average rainfall in January:
5.67" - Average rainfall in February:
3.82" - Average rainfall in March:
3.58" - Average rainfall in April:
2.52" - Average rainfall in May:
1.69" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.39" - Average rainfall in September:
1.14" - Average rainfall in October:
2.99" - Average rainfall in November:
3.27" - Average rainfall in December:
5.08"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days
Dee, OR
- Average rainfall days in January:
17.7 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
20 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
9.1 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
4.2 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
17.7 days - Average rainfall days in December:
17.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall
Dee, OR
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dee, OR
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
4 days - Average snowfall days in March:
2.8 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:
0.7 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dee, OR
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 30min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Dee, OR
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
17.6 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
24.4 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
9.9 days - Average sunshine days in December:
9.8 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index
Dee, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Dee, OR
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility
Dee, OR
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).





