Climate and monthly weather forecastClatskanie, OR
Climate and monthly weather forecast
Weather in January
January is a chilly winter month in Clatskanie, Oregon, with an average temperature ranging between max 44.2°F (6.8°C) and min 33.4°F (0.8°C). As January unfolds, the average high-temperature reaches a chilly 44.2°F (6.8°C), hinting at a slight fluctuation from the previous month. Weather in January »Weather in February
February, the last month of the winter in Clatskanie, is also a frosty month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 45.9°F (7.7°C). February's average high-temperature stands at a still chilly 45.9°F (7.7°C), showing little deviation from January's 44.2°F (6.8°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Clatskanie, Oregon, with an average temperature fluctuating between 35.1°F (1.7°C) and 50.2°F (10.1°C). With March's advent, Clatskanie sees an average high-temperature of a fresh 50.2°F (10.1°C), subtly shifted from February's 45.9°F (7.7°C). Weather in March »Weather in April
April in Clatskanie, Oregon, is a mild spring month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 55.4°F (13°C). The start of April sees the average high-temperature at a mild 55.4°F (13°C), showing little difference from March's 50.2°F (10.1°C). Weather in April »Weather in May
May, the last month of the spring in Clatskanie, is an enjoyable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 40.6°F (4.8°C). With the onset of May, the average high-temperature subtly transitions from a mild 55.4°F (13°C) in April to an enjoyable 63.7°F (17.6°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Clatskanie, Oregon, with an average temperature ranging between max 68.5°F (20.3°C) and min 45°F (7.2°C). With the onset of June, the average high-temperature registers at an agreeable 68.5°F (20.3°C), subtly different from May's 63.7°F (17.6°C). Weather in June »Weather in July
July in Clatskanie, Oregon, is a moderately hot summer month, with an average temperature fluctuating between 48.7°F (9.3°C) and 75°F (23.9°C). July's arrival brings a slight change in high-temperatures, adjusting from a pleasant 68.5°F (20.3°C) in June to a warm 75°F (23.9°C). Weather in July »Weather in August
August, the last month of the summer in Clatskanie, is also a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 49.8°F (9.9°C). With average temperatures fluctuating between a high of 76.5°F (24.7°C) and a low of 49.8°F (9.9°C), August stands out as the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Clatskanie, Oregon, with an average temperature varying between 47.3°F (8.5°C) and 69.6°F (20.9°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 76.5°F (24.7°C) to an agreeable 69.6°F (20.9°C). Weather in September »Weather in October
October, the same as September, in Clatskanie, Oregon, is a moderate autumn month, with an average temperature ranging between max 58.8°F (14.9°C) and min 42.4°F (5.8°C). October's onset brings a reduction in the average high-temperature, from an agreeable 69.6°F (20.9°C) in September to a mild 58.8°F (14.9°C). Weather in October »Weather in November
November, the last month of the autumn in Clatskanie, is also a frosty month, with an average temperature varying between 48.2°F (9°C) and 37.8°F (3.2°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a moderate 58.8°F (14.9°C) in October to a chilly 48.2°F (9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Clatskanie, Oregon, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 32.9°F (0.5°C). In Clatskanie, the lowest temperatures are generally noted in December, averaging a high of 42.3°F (5.7°C) and a low of 32.9°F (0.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Clatskanie, OR
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure
Clatskanie, OR
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.05"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and December (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed
Clatskanie, OR
- Average wind speed in January:
4.9mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
3.9mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity
Clatskanie, OR
The months with the highest relative humidity are February, November and December (89%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Clatskanie, OR
- Average rainfall in January:
1.77" - Average rainfall in February:
1.1" - Average rainfall in March:
1.22" - Average rainfall in April:
1.06" - Average rainfall in May:
0.91" - Average rainfall in June:
0.79"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.24" - Average rainfall in September:
0.67" - Average rainfall in October:
1.14" - Average rainfall in November:
0.94" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is January (1.77").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days
Clatskanie, OR
- Average rainfall days in January:
14.1 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
5 days - Average rainfall days in August:
4.7 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
14.3 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall
Clatskanie, OR
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Clatskanie, OR
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0 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:
0.5 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Clatskanie, OR
- Average daylight in January:
9h and 6min - 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:
15h and 0min - Average daylight in June:
15h and 42min
- 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 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 12min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 12min - Average sunshine in May:
7h and 24min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 6min - Average sunshine in October:
4h and 42min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days
Clatskanie, OR
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
16 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
24.6 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
13 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is August (24.6 days).
The month with the least sunshine days is April (11.7 days).
Average UV index
Clatskanie, OR
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Clatskanie, OR
The months with the most cloud cover are February and March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility
Clatskanie, OR
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





